120,638
120,638 is a composite number, even.
120,638 (one hundred twenty thousand six hundred thirty-eight) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2 × 7² × 1,231. Written other ways, in hexadecimal, 0x1D73E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 836,021
- Square (n²)
- 14,553,527,044
- Cube (n³)
- 1,755,708,395,534,072
- Divisor count
- 12
- σ(n) — sum of divisors
- 210,672
- φ(n) — Euler's totient
- 51,660
- Sum of prime factors
- 1,247
Primality
Prime factorization: 2 × 7 2 × 1231
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√120,638 = [347; (3, 31, 4, 7, 1, 4, 1, 6, 3, 1, 6, 1, 1, 1, 2, 2, 6, 3, 11, 14, 11, 3, 6, 2, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty thousand six hundred thirty-eight
- Ordinal
- 120638th
- Binary
- 11101011100111110
- Octal
- 353476
- Hexadecimal
- 0x1D73E
- Base64
- Adc+
- One's complement
- 4,294,846,657 (32-bit)
- Scientific notation
- 1.20638 × 10⁵
- As a duration
- 120,638 s = 1 day, 9 hours, 30 minutes, 38 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκχληʹ
- Mayan (base 20)
- 𝋯·𝋡·𝋫·𝋲
- Chinese
- 一十二萬零六百三十八
- Chinese (financial)
- 壹拾貳萬零陸佰參拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 120638, here are decompositions:
- 19 + 120619 = 120638
- 31 + 120607 = 120638
- 61 + 120577 = 120638
- 127 + 120511 = 120638
- 211 + 120427 = 120638
- 241 + 120397 = 120638
- 307 + 120331 = 120638
- 439 + 120199 = 120638
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D 9C BE (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.215.62.
- Address
- 0.1.215.62
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.215.62
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 120,638 and was likely granted around 1871.
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.