490,821
490,821 is a composite number, odd.
490,821 (four hundred ninety thousand eight hundred twenty-one) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 3 × 47 × 59². Written other ways, in hexadecimal, 0x77D45.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 128,094
- Square (n²)
- 240,905,254,041
- Cube (n³)
- 118,241,357,693,657,661
- Divisor count
- 12
- σ(n) — sum of divisors
- 679,872
- φ(n) — Euler's totient
- 314,824
- Sum of prime factors
- 168
Primality
Prime factorization: 3 × 47 × 59 2
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,821 = [700; (1, 1, 2, 2, 2, 49, 1, 1, 1, 2, 4, 1, 2, 2, 1, 6, 2, 4, 4, 1, 6, 1, 3, 3, …)]
Representations
- In words
- four hundred ninety thousand eight hundred twenty-one
- Ordinal
- 490821st
- Binary
- 1110111110101000101
- Octal
- 1676505
- Hexadecimal
- 0x77D45
- Base64
- B31F
- One's complement
- 4,294,476,474 (32-bit)
- Scientific notation
- 4.90821 × 10⁵
- As a duration
- 490,821 s = 5 days, 16 hours, 20 minutes, 21 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵υϟωκαʹ
- Chinese
- 四十九萬零八百二十一
- Chinese (financial)
- 肆拾玖萬零捌佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.7.125.69.
- Address
- 0.7.125.69
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.125.69
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 490,821 and was likely granted around 1892.
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.