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1,020,081

1,020,081 is a composite number, odd.

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.).

1,020,081 (one million twenty thousand eighty-one) is an odd 7-digit number. It is a composite number with 4 divisors, and factors as 3 × 340,027. Written other ways, in hexadecimal, 0xF90B1.

Arithmetic Number Cube-Free Deficient Number Evil Number Happy Number Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
12
Digit product
0
Digital root
3
Palindrome
No
Bit width
20 bits
Reversed
1,800,201
Square (n²)
1,040,565,246,561
Cube (n³)
1,061,460,837,277,191,441
Divisor count
4
σ(n) — sum of divisors
1,360,112
φ(n) — Euler's totient
680,052
Sum of prime factors
340,030

Primality

Prime factorization: 3 × 340027

Nearest primes: 1,020,079 (−2) · 1,020,101 (+20)

Divisors & multiples

All divisors (4)
1 · 3 · 340027 · 1020081
Aliquot sum (sum of proper divisors): 340,031
Factor pairs (a × b = 1,020,081)
1 × 1020081
3 × 340027
First multiples
1,020,081 · 2,040,162 (double) · 3,060,243 · 4,080,324 · 5,100,405 · 6,120,486 · 7,140,567 · 8,160,648 · 9,180,729 · 10,200,810

Sums & aliquot sequence

As consecutive integers: 510,040 + 510,041 340,026 + 340,027 + 340,028 170,011 + 170,012 + 170,013 + 170,014 + 170,015 + 170,016
Aliquot sequence: 1,020,081 340,031 1 0 — terminates at zero

Continued fraction of √n

√1,020,081 = [1009; (1, 105, 3, 5, 1, 4, 1, 3, 17, 1, 14, 1, 5, 10, 1, 4, 3, 1, 10, 6, 2, 1, 1, 1, …)]

Representations

In words
one million twenty thousand eighty-one
Ordinal
1020081st
Binary
11111001000010110001
Octal
3710261
Hexadecimal
0xF90B1
Base64
D5Cx
One's complement
4,293,947,214 (32-bit)
Scientific notation
1.020081 × 10⁶
As a duration
1,020,081 s = 11 days, 19 hours, 21 minutes, 21 seconds
In other bases
ternary (3) 1220211021210
quaternary (4) 3321002301
quinary (5) 230120311
senary (6) 33510333
septenary (7) 11445666
nonary (9) 1824253
undecimal (11) 637447
duodecimal (12) 4123a9
tridecimal (13) 2993ca
tetradecimal (14) 1c7a6d
pentadecimal (15) 1523a6

As an angle

1,020,081° = 2,833 × 360° + 201°
201° ≈ 3.508 rad
Compass bearing: SSW (south-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese
一百零二萬零八十一
Chinese (financial)
壹佰零貳萬零捌拾壹
In other modern scripts
Eastern Arabic ١٠٢٠٠٨١ Devanagari १०२००८१ Bengali ১০২০০৮১ Tamil ௧௦௨௦௦௮௧ Thai ๑๐๒๐๐๘๑ Tibetan ༡༠༢༠༠༨༡ Khmer ១០២០០៨១ Lao ໑໐໒໐໐໘໑ Burmese ၁၀၂၀၀၈၁

Also seen as

Hex color
#0F90B1
RGB(15, 144, 177)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.144.177.

Address
0.15.144.177
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.144.177

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

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 2, 0081 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 0081-02-01 (DMMYYYY (Euro, single-digit day))
  • 0081-10-02 (MMDYYYY (US, single-digit day))
  • 0081-02-10 (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 1,020,081 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