1,018,080
1,018,080 is a composite number, even.
1,018,080 (one million eighteen thousand eighty) is an even 7-digit number. It is a composite number with 144 divisors, and factors as 2⁵ × 3² × 5 × 7 × 101. Its proper divisors sum to 2,991,744, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF88E0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 808,101
- Flips to (rotate 180°)
- 808,101
- Square (n²)
- 1,036,486,886,400
- Cube (n³)
- 1,055,226,569,306,112,000
- Divisor count
- 144
- σ(n) — sum of divisors
- 4,009,824
- φ(n) — Euler's totient
- 230,400
- Sum of prime factors
- 129
Primality
Prime factorization: 2 5 × 3 2 × 5 × 7 × 101
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,018,080 = [1008; (1, 2016)]
Period length 2 — the block in parentheses repeats forever.
Representations
- In words
- one million eighteen thousand eighty
- Ordinal
- 1018080th
- Binary
- 11111000100011100000
- Octal
- 3704340
- Hexadecimal
- 0xF88E0
- Base64
- D4jg
- One's complement
- 4,293,949,215 (32-bit)
- Scientific notation
- 1.01808 × 10⁶
- As a duration
- 1,018,080 s = 11 days, 18 hours, 48 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Chinese
- 一百零一萬八千零八十
- Chinese (financial)
- 壹佰零壹萬捌仟零捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1018080, here are decompositions:
- 23 + 1018057 = 1018080
- 59 + 1018021 = 1018080
- 61 + 1018019 = 1018080
- 73 + 1018007 = 1018080
- 83 + 1017997 = 1018080
- 127 + 1017953 = 1018080
- 157 + 1017923 = 1018080
- 191 + 1017889 = 1018080
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.136.224.
- Address
- 0.15.136.224
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.136.224
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Could be parsed as a date. Most likely interpretation: Monday, January 1, 8080 (MDDYYYY (US, single-digit month)).
Other possible interpretations (2)
- 8080-10-01 (MMDYYYY (US, single-digit day))
- 8080-01-10 (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 1,018,080 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°.