491,621
491,621 is a composite number, odd.
491,621 (four hundred ninety-one thousand six hundred twenty-one) is an odd 6-digit number. It is a composite number with 6 divisors, and factors as 13² × 2,909. Written other ways, in hexadecimal, 0x78065.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 432
- Digital root
- 5
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 126,194
- Square (n²)
- 241,691,207,641
- Cube (n³)
- 118,820,473,191,676,061
- Divisor count
- 6
- σ(n) — sum of divisors
- 532,530
- φ(n) — Euler's totient
- 453,648
- Sum of prime factors
- 2,935
Primality
Prime factorization: 13 2 × 2909
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√491,621 = [701; (6, 2, 1, 2, 9, 1, 1, 1, 4, 4, 2, 1, 22, 3, 2, 1, 3, 1, 1, 3, 2, 13, 5, 1, …)]
Representations
- In words
- four hundred ninety-one thousand six hundred twenty-one
- Ordinal
- 491621st
- Binary
- 1111000000001100101
- Octal
- 1700145
- Hexadecimal
- 0x78065
- Base64
- B4Bl
- One's complement
- 4,294,475,674 (32-bit)
- Scientific notation
- 4.91621 × 10⁵
- As a duration
- 491,621 s = 5 days, 16 hours, 33 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵υϟαχκαʹ
- Chinese
- 四十九萬一千六百二十一
- Chinese (financial)
- 肆拾玖萬壹仟陸佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.7.128.101.
- Address
- 0.7.128.101
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.128.101
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 491,621 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.