120,690
120,690 is a composite number, even.
120,690 (one hundred twenty thousand six hundred ninety) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2 × 3⁴ × 5 × 149. Its proper divisors sum to 206,010, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1D772.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 96,021
- Square (n²)
- 14,566,076,100
- Cube (n³)
- 1,757,979,724,509,000
- Divisor count
- 40
- σ(n) — sum of divisors
- 326,700
- φ(n) — Euler's totient
- 31,968
- Sum of prime factors
- 168
Primality
Prime factorization: 2 × 3 4 × 5 × 149
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√120,690 = [347; (2, 2, 8, 5, 1, 1, 1, 1, 1, 7, 1, 21, 1, 1, 8, 14, 1, 76, 3, 1, 2, 1, 7, 1, …)]
Period length 56 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty thousand six hundred ninety
- Ordinal
- 120690th
- Binary
- 11101011101110010
- Octal
- 353562
- Hexadecimal
- 0x1D772
- Base64
- Addy
- One's complement
- 4,294,846,605 (32-bit)
- Scientific notation
- 1.2069 × 10⁵
- As a duration
- 120,690 s = 1 day, 9 hours, 31 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκχϟʹ
- Mayan (base 20)
- 𝋯·𝋡·𝋮·𝋪
- Chinese
- 一十二萬零六百九十
- Chinese (financial)
- 壹拾貳萬零陸佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 120690, here are decompositions:
- 13 + 120677 = 120690
- 19 + 120671 = 120690
- 29 + 120661 = 120690
- 43 + 120647 = 120690
- 67 + 120623 = 120690
- 71 + 120619 = 120690
- 83 + 120607 = 120690
- 103 + 120587 = 120690
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D 9D B2 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.215.114.
- Address
- 0.1.215.114
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.215.114
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 120,690 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.