990,272
990,272 is a composite number, even.
990,272 (nine hundred ninety thousand two hundred seventy-two) is an even 6-digit number. It is a composite number with 14 divisors, and factors as 2⁶ × 15,473. Written other ways, in hexadecimal, 0xF1C40.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 272,099
- Square (n²)
- 980,638,633,984
- Cube (n³)
- 971,098,981,352,603,648
- Divisor count
- 14
- σ(n) — sum of divisors
- 1,965,198
- φ(n) — Euler's totient
- 495,104
- Sum of prime factors
- 15,485
Primality
Prime factorization: 2 6 × 15473
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,272 = [995; (8, 17, 2, 20, 31, 20, 2, 17, 8, 1990)]
Period length 10 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred ninety thousand two hundred seventy-two
- Ordinal
- 990272nd
- Binary
- 11110001110001000000
- Octal
- 3616100
- Hexadecimal
- 0xF1C40
- Base64
- DxxA
- One's complement
- 4,293,977,023 (32-bit)
- Scientific notation
- 9.90272 × 10⁵
- As a duration
- 990,272 s = 11 days, 11 hours, 4 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ϡϟσοβʹ
- Chinese
- 九十九萬零二百七十二
- Chinese (financial)
- 玖拾玖萬零貳佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990272, here are decompositions:
- 13 + 990259 = 990272
- 61 + 990211 = 990272
- 103 + 990169 = 990272
- 109 + 990163 = 990272
- 229 + 990043 = 990272
- 271 + 990001 = 990272
- 313 + 989959 = 990272
- 433 + 989839 = 990272
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.28.64.
- Address
- 0.15.28.64
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.28.64
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 990,272 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°.