1,013,880
1,013,880 is a composite number, even.
1,013,880 (one million thirteen thousand eight hundred eighty) is an even 7-digit number. It is a composite number with 128 divisors, and factors as 2³ × 3 × 5 × 7 × 17 × 71. Its proper divisors sum to 2,718,600, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF7878.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 21
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 883,101
- Square (n²)
- 1,027,952,654,400
- Cube (n³)
- 1,042,220,637,243,072,000
- Divisor count
- 128
- σ(n) — sum of divisors
- 3,732,480
- φ(n) — Euler's totient
- 215,040
- Sum of prime factors
- 109
Primality
Prime factorization: 2 3 × 3 × 5 × 7 × 17 × 71
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,013,880 = [1006; (1, 10, 1, 10, 1, 2012)]
Period length 6 — the block in parentheses repeats forever.
Representations
- In words
- one million thirteen thousand eight hundred eighty
- Ordinal
- 1013880th
- Binary
- 11110111100001111000
- Octal
- 3674170
- Hexadecimal
- 0xF7878
- Base64
- D3h4
- One's complement
- 4,293,953,415 (32-bit)
- Scientific notation
- 1.01388 × 10⁶
- As a duration
- 1,013,880 s = 11 days, 17 hours, 38 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓁨𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Chinese
- 一百零一萬三千八百八十
- Chinese (financial)
- 壹佰零壹萬參仟捌佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1013880, here are decompositions:
- 29 + 1013851 = 1013880
- 37 + 1013843 = 1013880
- 41 + 1013839 = 1013880
- 47 + 1013833 = 1013880
- 53 + 1013827 = 1013880
- 61 + 1013819 = 1013880
- 67 + 1013813 = 1013880
- 89 + 1013791 = 1013880
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.120.120.
- Address
- 0.15.120.120
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.120.120
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Could be parsed as a date. Most likely interpretation: Thursday, January 1, 3880 (MDDYYYY (US, single-digit month)).
Other possible interpretations (2)
- 3880-10-01 (MMDYYYY (US, single-digit day))
- 3880-01-10 (DDMYYYY (Euro, single-digit month))
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,013,880 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 1013880 first appears in π at position 288,995 of the decimal expansion (the 288,995ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.