990,150
990,150 is a composite number, even.
990,150 (nine hundred ninety thousand one hundred fifty) is an even 6-digit number. It is a composite number with 96 divisors, and factors as 2 × 3 × 5² × 7 × 23 × 41. Its proper divisors sum to 2,009,658, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF1BC6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 51,099
- Square (n²)
- 980,397,022,500
- Cube (n³)
- 970,740,111,828,375,000
- Divisor count
- 96
- σ(n) — sum of divisors
- 2,999,808
- φ(n) — Euler's totient
- 211,200
- Sum of prime factors
- 86
Primality
Prime factorization: 2 × 3 × 5 2 × 7 × 23 × 41
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,150 = [995; (15, 1, 11, 1, 1, 2, 1, 1, 1, 42, 1, 1, 1, 2, 1, 1, 11, 1, 15, 1990)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred ninety thousand one hundred fifty
- Ordinal
- 990150th
- Binary
- 11110001101111000110
- Octal
- 3615706
- Hexadecimal
- 0xF1BC6
- Base64
- DxvG
- One's complement
- 4,293,977,145 (32-bit)
- Scientific notation
- 9.9015 × 10⁵
- As a duration
- 990,150 s = 11 days, 11 hours, 2 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ϡϟρνʹ
- Chinese
- 九十九萬零一百五十
- Chinese (financial)
- 玖拾玖萬零壹佰伍拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990150, here are decompositions:
- 13 + 990137 = 990150
- 97 + 990053 = 990150
- 107 + 990043 = 990150
- 113 + 990037 = 990150
- 127 + 990023 = 990150
- 137 + 990013 = 990150
- 149 + 990001 = 990150
- 151 + 989999 = 990150
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.27.198.
- Address
- 0.15.27.198
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.27.198
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 990,150 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°.