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1,019,442

1,019,442 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.).

1,019,442 (one million nineteen thousand four hundred forty-two) is an even 7-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 131 × 1,297. Its proper divisors sum to 1,036,590, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF8E32.

Abundant Number Arithmetic Number Cube-Free Odious Number Pernicious Number Semiperfect Number Squarefree

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
21
Digit product
0
Digital root
3
Palindrome
No
Bit width
20 bits
Reversed
2,449,101
Square (n²)
1,039,261,991,364
Cube (n³)
1,059,467,323,000,098,888
Divisor count
16
σ(n) — sum of divisors
2,056,032
φ(n) — Euler's totient
336,960
Sum of prime factors
1,433

Primality

Prime factorization: 2 × 3 × 131 × 1297

Nearest primes: 1,019,423 (−19) · 1,019,443 (+1)

Divisors & multiples

All divisors (16)
1 · 2 · 3 · 6 · 131 · 262 · 393 · 786 · 1297 · 2594 · 3891 · 7782 · 169907 · 339814 · 509721 (half) · 1019442
Aliquot sum (sum of proper divisors): 1,036,590
Factor pairs (a × b = 1,019,442)
1 × 1019442
2 × 509721
3 × 339814
6 × 169907
131 × 7782
262 × 3891
393 × 2594
786 × 1297
First multiples
1,019,442 · 2,038,884 (double) · 3,058,326 · 4,077,768 · 5,097,210 · 6,116,652 · 7,136,094 · 8,155,536 · 9,174,978 · 10,194,420

Sums & aliquot sequence

As consecutive integers: 339,813 + 339,814 + 339,815 254,859 + 254,860 + 254,861 + 254,862 84,948 + 84,949 + … + 84,959 7,717 + 7,718 + … + 7,847
Aliquot sequence: 1,019,442 1,036,590 1,481,970 2,583,438 3,488,754 3,488,766 3,508,098 4,482,174 4,539,138 5,353,662 5,380,818 5,380,830 12,670,434 18,704,286 21,821,706 26,985,078 32,004,450 — unresolved within range

Continued fraction of √n

√1,019,442 = [1009; (1, 2, 14, 2, 2, 5, 1, 6, 1, 1, 1, 1, 4, 1, 1, 1, 2, 13, 1, 5, 2, 1, 3, 2, …)]

Representations

In words
one million nineteen thousand four hundred forty-two
Ordinal
1019442nd
Binary
11111000111000110010
Octal
3707062
Hexadecimal
0xF8E32
Base64
D44y
One's complement
4,293,947,853 (32-bit)
Scientific notation
1.019442 × 10⁶
As a duration
1,019,442 s = 11 days, 19 hours, 10 minutes, 42 seconds
In other bases
ternary (3) 1220210102010
quaternary (4) 3320320302
quinary (5) 230110232
senary (6) 33503350
septenary (7) 11444064
nonary (9) 1823363
undecimal (11) 636a16
duodecimal (12) 411b56
tridecimal (13) 299028
tetradecimal (14) 1c7734
pentadecimal (15) 1520cc

As an angle

1,019,442° = 2,831 × 360° + 282°
282° ≈ 4.922 rad
Compass bearing: WNW (west-northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋 𒌋𒌋𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
Chinese
一百零一萬九千四百四十二
Chinese (financial)
壹佰零壹萬玖仟肆佰肆拾貳
In other modern scripts
Eastern Arabic ١٠١٩٤٤٢ Devanagari १०१९४४२ Bengali ১০১৯৪৪২ Tamil ௧௦௧௯௪௪௨ Thai ๑๐๑๙๔๔๒ Tibetan ༡༠༡༩༤༤༢ Khmer ១០១៩៤៤២ Lao ໑໐໑໙໔໔໒ Burmese ၁၀၁၉၄၄၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1019442, here are decompositions:

  • 19 + 1019423 = 1019442
  • 29 + 1019413 = 1019442
  • 31 + 1019411 = 1019442
  • 43 + 1019399 = 1019442
  • 89 + 1019353 = 1019442
  • 103 + 1019339 = 1019442
  • 113 + 1019329 = 1019442
  • 181 + 1019261 = 1019442

Showing the first eight; more decompositions exist.

Hex color
#0F8E32
RGB(15, 142, 50)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.142.50.

Address
0.15.142.50
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.142.50

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 1, 9442 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 9442-10-01 (MMDYYYY (US, single-digit day))
  • 9442-01-10 (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 1,019,442 and was likely granted around 1911.

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°.