988,160
988,160 is a composite number, even.
988,160 (nine hundred eighty-eight thousand one hundred sixty) is an even 6-digit number. It is a composite number with 44 divisors, and factors as 2¹⁰ × 5 × 193. Its proper divisors sum to 1,394,548, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF1400.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 32
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 61,889
- Flips to (rotate 180°)
- 91,886
- Square (n²)
- 976,460,185,600
- Cube (n³)
- 964,898,897,002,496,000
- Divisor count
- 44
- σ(n) — sum of divisors
- 2,382,708
- φ(n) — Euler's totient
- 393,216
- Sum of prime factors
- 218
Primality
Prime factorization: 2 10 × 5 × 193
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√988,160 = [994; (16, 30, 1, 1, 9, 1, 9, 11, 1, 1, 1, 30, 2, 2, 5, 7, 3, 6, 1, 1, 3, 1, 1, 1, …)]
Representations
- In words
- nine hundred eighty-eight thousand one hundred sixty
- Ordinal
- 988160th
- Binary
- 11110001010000000000
- Octal
- 3612000
- Hexadecimal
- 0xF1400
- Base64
- DxQA
- One's complement
- 4,293,979,135 (32-bit)
- Scientific notation
- 9.8816 × 10⁵
- As a duration
- 988,160 s = 11 days, 10 hours, 29 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ϡπηρξʹ
- Chinese
- 九十八萬八千一百六十
- Chinese (financial)
- 玖拾捌萬捌仟壹佰陸拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 988160, here are decompositions:
- 3 + 988157 = 988160
- 13 + 988147 = 988160
- 31 + 988129 = 988160
- 67 + 988093 = 988160
- 109 + 988051 = 988160
- 127 + 988033 = 988160
- 139 + 988021 = 988160
- 163 + 987997 = 988160
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.20.0.
- Address
- 0.15.20.0
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.20.0
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 988,160 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 988160 first appears in π at position 435,449 of the decimal expansion (the 435,449ordinal-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°.