990,468
990,468 is a composite number, even.
990,468 (nine hundred ninety thousand four hundred sixty-eight) is an even 6-digit number. It is a composite number with 36 divisors, and factors as 2² × 3⁵ × 1,019. Its proper divisors sum to 1,608,492, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF1D04.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 36
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 864,099
- Square (n²)
- 981,026,859,024
- Cube (n³)
- 971,675,711,003,783,232
- Divisor count
- 36
- σ(n) — sum of divisors
- 2,598,960
- φ(n) — Euler's totient
- 329,832
- Sum of prime factors
- 1,038
Primality
Prime factorization: 2 2 × 3 5 × 1019
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,468 = [995; (4, 2, 33, 3, 2, 2, 1, 6, 2, 10, 1, 1, 7, 2, 2, 5, 9, 4, 1, 9, 1, 1, 27, 1, …)]
Representations
- In words
- nine hundred ninety thousand four hundred sixty-eight
- Ordinal
- 990468th
- Binary
- 11110001110100000100
- Octal
- 3616404
- Hexadecimal
- 0xF1D04
- Base64
- Dx0E
- One's complement
- 4,293,976,827 (32-bit)
- Scientific notation
- 9.90468 × 10⁵
- As a duration
- 990,468 s = 11 days, 11 hours, 7 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟυξηʹ
- Chinese
- 九十九萬零四百六十八
- Chinese (financial)
- 玖拾玖萬零肆佰陸拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990468, here are decompositions:
- 5 + 990463 = 990468
- 71 + 990397 = 990468
- 79 + 990389 = 990468
- 97 + 990371 = 990468
- 107 + 990361 = 990468
- 109 + 990359 = 990468
- 137 + 990331 = 990468
- 139 + 990329 = 990468
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.29.4.
- Address
- 0.15.29.4
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.29.4
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 990,468 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 990468 first appears in π at position 169,370 of the decimal expansion (the 169,370ordinal-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°.