990,328
990,328 is a composite number, even.
990,328 (nine hundred ninety thousand three hundred twenty-eight) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2³ × 123,791. Written other ways, in hexadecimal, 0xF1C78.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 31
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 823,099
- Square (n²)
- 980,749,547,584
- Cube (n³)
- 971,263,737,959,767,552
- Divisor count
- 8
- σ(n) — sum of divisors
- 1,856,880
- φ(n) — Euler's totient
- 495,160
- Sum of prime factors
- 123,797
Primality
Prime factorization: 2 3 × 123791
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,328 = [995; (6, 1, 1, 3, 5, 1, 22, 27, 1, 1, 2, 59, 1, 10, 1, 1, 2, 2, 1, 23, 1, 6, 2, 7, …)]
Representations
- In words
- nine hundred ninety thousand three hundred twenty-eight
- Ordinal
- 990328th
- Binary
- 11110001110001111000
- Octal
- 3616170
- Hexadecimal
- 0xF1C78
- Base64
- Dxx4
- One's complement
- 4,293,976,967 (32-bit)
- Scientific notation
- 9.90328 × 10⁵
- As a duration
- 990,328 s = 11 days, 11 hours, 5 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟτκηʹ
- Chinese
- 九十九萬零三百二十八
- Chinese (financial)
- 玖拾玖萬零參佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990328, here are decompositions:
- 5 + 990323 = 990328
- 41 + 990287 = 990328
- 47 + 990281 = 990328
- 89 + 990239 = 990328
- 149 + 990179 = 990328
- 191 + 990137 = 990328
- 347 + 989981 = 990328
- 389 + 989939 = 990328
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.28.120.
- Address
- 0.15.28.120
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.28.120
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 990,328 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 990328 first appears in π at position 723,910 of the decimal expansion (the 723,910ordinal-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°.