130,628
130,628 is a composite number, even.
130,628 (one hundred thirty thousand six hundred twenty-eight) is an even 6-digit number. It is a composite number with 18 divisors, and factors as 2² × 17² × 113. Written other ways, in hexadecimal, 0x1FE44.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 826,031
- Square (n²)
- 17,063,674,384
- Cube (n³)
- 2,228,993,657,433,152
- Divisor count
- 18
- σ(n) — sum of divisors
- 244,986
- φ(n) — Euler's totient
- 60,928
- Sum of prime factors
- 151
Primality
Prime factorization: 2 2 × 17 2 × 113
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,628 = [361; (2, 2, 1, 4, 1, 13, 1, 12, 1, 2, 2, 2, 13, 2, 22, 9, 2, 1, 10, 1, 1, 1, 1, 1, …)]
Representations
- In words
- one hundred thirty thousand six hundred twenty-eight
- Ordinal
- 130628th
- Binary
- 11111111001000100
- Octal
- 377104
- Hexadecimal
- 0x1FE44
- Base64
- Af5E
- One's complement
- 4,294,836,667 (32-bit)
- Scientific notation
- 1.30628 × 10⁵
- As a duration
- 130,628 s = 1 day, 12 hours, 17 minutes, 8 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλχκηʹ
- Mayan (base 20)
- 𝋰·𝋦·𝋫·𝋨
- Chinese
- 一十三萬零六百二十八
- Chinese (financial)
- 壹拾參萬零陸佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130628, here are decompositions:
- 7 + 130621 = 130628
- 97 + 130531 = 130628
- 139 + 130489 = 130628
- 151 + 130477 = 130628
- 181 + 130447 = 130628
- 229 + 130399 = 130628
- 349 + 130279 = 130628
- 367 + 130261 = 130628
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.254.68.
- Address
- 0.1.254.68
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.254.68
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 130,628 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.