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1,061,820

1,061,820 is a composite number, even.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

1,061,820 (one million sixty-one thousand eight hundred twenty) is an even 7-digit number. It is a composite number with 72 divisors, and factors as 2² × 3² × 5 × 17 × 347. Its proper divisors sum to 2,358,324, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1033BC.

Abundant Number Arithmetic Number Cube-Free Evil Number Gapful Number Harshad / Niven Practical Number Weird Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
18
Digit product
0
Digital root
9
Palindrome
No
Bit width
21 bits
Reversed
281,601
Square (n²)
1,127,461,712,400
Cube (n³)
1,197,161,395,460,568,000
Divisor count
72
σ(n) — sum of divisors
3,420,144
φ(n) — Euler's totient
265,728
Sum of prime factors
379

Primality

Prime factorization: 2 2 × 3 2 × 5 × 17 × 347

Nearest primes: 1,061,807 (−13) · 1,061,831 (+11)

Divisors & multiples

All divisors (72)
1 · 2 · 3 · 4 · 5 · 6 · 9 · 10 · 12 · 15 · 17 · 18 · 20 · 30 · 34 · 36 · 45 · 51 · 60 · 68 · 85 · 90 · 102 · 153 · 170 · 180 · 204 · 255 · 306 · 340 · 347 · 510 · 612 · 694 · 765 · 1020 · 1041 · 1388 · 1530 · 1735 · 2082 · 3060 · 3123 · 3470 · 4164 · 5205 · 5899 · 6246 · 6940 · 10410 · 11798 · 12492 · 15615 · 17697 · 20820 · 23596 · 29495 · 31230 · 35394 · 53091 · 58990 · 62460 · 70788 · 88485 · 106182 · 117980 · 176970 · 212364 · 265455 · 353940 · 530910 (half) · 1061820
Aliquot sum (sum of proper divisors): 2,358,324
Factor pairs (a × b = 1,061,820)
1 × 1061820
2 × 530910
3 × 353940
4 × 265455
5 × 212364
6 × 176970
9 × 117980
10 × 106182
12 × 88485
15 × 70788
17 × 62460
18 × 58990
20 × 53091
30 × 35394
34 × 31230
36 × 29495
45 × 23596
51 × 20820
60 × 17697
68 × 15615
85 × 12492
90 × 11798
102 × 10410
153 × 6940
170 × 6246
180 × 5899
204 × 5205
255 × 4164
306 × 3470
340 × 3123
347 × 3060
510 × 2082
612 × 1735
694 × 1530
765 × 1388
1020 × 1041
First multiples
1,061,820 · 2,123,640 (double) · 3,185,460 · 4,247,280 · 5,309,100 · 6,370,920 · 7,432,740 · 8,494,560 · 9,556,380 · 10,618,200

Sums & aliquot sequence

As consecutive integers: 353,939 + 353,940 + 353,941 212,362 + 212,363 + 212,364 + 212,365 + 212,366 132,724 + 132,725 + … + 132,731 117,976 + 117,977 + … + 117,984
Aliquot sequence: 1,061,820 → 2,358,324 → 3,667,696 → 3,613,088 → 3,500,242 → 1,940,024 → 1,714,696 → 1,640,504 → 1,435,456 → 1,673,504 → 2,229,472 → 2,941,568 → 3,994,432 → 4,543,524 → 7,135,416 → 12,189,864 → 18,378,456 — unresolved within range

Continued fraction of √n

√1,061,820 = [1030; (2, 4, 5, 1, 3, 3, 11, 1, 2, 1, 12, 1, 1, 4, 2, 1, 1, 1, 10, 1, 7, 1, 2, 2, …)]

Representations

In words
one million sixty-one thousand eight hundred twenty
Ordinal
1061820th
Binary
100000011001110111100
Octal
4031674
Hexadecimal
0x1033BC
Base64
EDO8
One's complement
4,293,905,475 (32-bit)
Scientific notation
1.06182 × 10⁶
As a duration
1,061,820 s = 12 days, 6 hours, 57 minutes
In other bases
ternary (3) 1222221112200
quaternary (4) 10003032330
quinary (5) 232434240
senary (6) 34431500
septenary (7) 12011454
nonary (9) 1887480
undecimal (11) 665841
duodecimal (12) 432590
tridecimal (13) 2b23c6
tetradecimal (14) 1d8d64
pentadecimal (15) 15e930

As an angle

1,061,820° = 2,949 × 360° + 180°
180° ≈ 3.142 rad
Compass bearing: S (south)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
Chinese
一百零六萬一千八百二十
Chinese (financial)
壹佰零陸萬壹仟捌佰貳拾
In other modern scripts
Eastern Arabic ١٠٦١٨٢٠ Devanagari १०६१८२० Bengali ১০৬১৮২০ Tamil ௧௦௬௧௮௨௦ Thai ๑๐๖๑๘๒๐ Tibetan ༡༠༦༡༨༢༠ Khmer ១០៦១៨២០ Lao ໑໐໖໑໘໒໐ Burmese ၁၀၆၁၈၂၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1061820, here are decompositions:

  • 13 + 1061807 = 1061820
  • 37 + 1061783 = 1061820
  • 41 + 1061779 = 1061820
  • 47 + 1061773 = 1061820
  • 61 + 1061759 = 1061820
  • 83 + 1061737 = 1061820
  • 103 + 1061717 = 1061820
  • 113 + 1061707 = 1061820

Showing the first eight; more decompositions exist.

Hex color
#1033BC
RGB(16, 51, 188)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.16.51.188.

Address
0.16.51.188
Class
reserved
IPv4-mapped IPv6
::ffff:0.16.51.188

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 6, 1820 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 1820-06-01 (DMMYYYY (Euro, single-digit day))
  • 1820-10-06 (MMDYYYY (US, single-digit day))
  • 1820-06-10 (DDMYYYY (Euro, single-digit month))
Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,061,820 and was likely granted around 1912.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.