990,268
990,268 is a composite number, even.
990,268 (nine hundred ninety thousand two hundred sixty-eight) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 37 × 6,691. Written other ways, in hexadecimal, 0xF1C3C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 34
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 862,099
- Square (n²)
- 980,630,711,824
- Cube (n³)
- 971,087,213,736,528,832
- Divisor count
- 12
- σ(n) — sum of divisors
- 1,780,072
- φ(n) — Euler's totient
- 481,680
- Sum of prime factors
- 6,732
Primality
Prime factorization: 2 2 × 37 × 6691
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,268 = [995; (8, 5, 3, 1, 2, 1, 1, 1, 1, 6, 8, 1, 14, 1, 3, 1, 1, 3, 1, 496, 1, 3, 1, 1, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred ninety thousand two hundred sixty-eight
- Ordinal
- 990268th
- Binary
- 11110001110000111100
- Octal
- 3616074
- Hexadecimal
- 0xF1C3C
- Base64
- Dxw8
- One's complement
- 4,293,977,027 (32-bit)
- Scientific notation
- 9.90268 × 10⁵
- As a duration
- 990,268 s = 11 days, 11 hours, 4 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟσξηʹ
- Chinese
- 九十九萬零二百六十八
- Chinese (financial)
- 玖拾玖萬零貳佰陸拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990268, here are decompositions:
- 29 + 990239 = 990268
- 89 + 990179 = 990268
- 131 + 990137 = 990268
- 269 + 989999 = 990268
- 317 + 989951 = 990268
- 347 + 989921 = 990268
- 359 + 989909 = 990268
- 431 + 989837 = 990268
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.28.60.
- Address
- 0.15.28.60
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.28.60
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 990,268 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 990268 first appears in π at position 352,189 of the decimal expansion (the 352,189ordinal-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°.