500,990
500,990 is a composite number, even.
500,990 (five hundred thousand nine hundred ninety) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 5 × 7 × 17 × 421. Its proper divisors sum to 592,834, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7A4FE.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 99,005
- Square (n²)
- 250,990,980,100
- Cube (n³)
- 125,743,971,120,299,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 1,093,824
- φ(n) — Euler's totient
- 161,280
- Sum of prime factors
- 452
Primality
Prime factorization: 2 × 5 × 7 × 17 × 421
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√500,990 = [707; (1, 4, 5, 1, 53, 1, 1, 1, 1, 4, 2, 3, 2, 7, 1, 15, 1, 1, 2, 1, 1, 1, 13, 2, …)]
Representations
- In words
- five hundred thousand nine hundred ninety
- Ordinal
- 500990th
- Binary
- 1111010010011111110
- Octal
- 1722376
- Hexadecimal
- 0x7A4FE
- Base64
- B6T+
- One's complement
- 4,294,466,305 (32-bit)
- Scientific notation
- 5.0099 × 10⁵
- As a duration
- 500,990 s = 5 days, 19 hours, 9 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵φϡϟʹ
- Chinese
- 五十萬零九百九十
- Chinese (financial)
- 伍拾萬零玖佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 500990, here are decompositions:
- 13 + 500977 = 500990
- 37 + 500953 = 500990
- 43 + 500947 = 500990
- 67 + 500923 = 500990
- 79 + 500911 = 500990
- 103 + 500887 = 500990
- 109 + 500881 = 500990
- 151 + 500839 = 500990
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.164.254.
- Address
- 0.7.164.254
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.164.254
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 500,990 and was likely granted around 1893.
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°.