561,120
561,120 is a composite number, even.
561,120 (five hundred sixty-one thousand one hundred twenty) is an even 6-digit number. It is a composite number with 96 divisors, and factors as 2⁵ × 3 × 5 × 7 × 167. Its proper divisors sum to 1,471,008, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x88FE0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 21,165
- Square (n²)
- 314,855,654,400
- Cube (n³)
- 176,671,804,796,928,000
- Divisor count
- 96
- σ(n) — sum of divisors
- 2,032,128
- φ(n) — Euler's totient
- 127,488
- Sum of prime factors
- 192
Primality
Prime factorization: 2 5 × 3 × 5 × 7 × 167
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√561,120 = [749; (12, 1, 1, 2, 3, 4, 1, 8, 18, 1, 1, 1, 1, 2, 2, 1, 2, 1, 8, 1, 2, 3, 1, 373, …)]
Period length 48 — the block in parentheses repeats forever.
Representations
- In words
- five hundred sixty-one thousand one hundred twenty
- Ordinal
- 561120th
- Binary
- 10001000111111100000
- Octal
- 2107740
- Hexadecimal
- 0x88FE0
- Base64
- CI/g
- One's complement
- 4,294,406,175 (32-bit)
- Scientific notation
- 5.6112 × 10⁵
- As a duration
- 561,120 s = 6 days, 11 hours, 52 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓍢𓎆𓎆
- Greek (Milesian)
- ͵φξαρκʹ
- Chinese
- 五十六萬一千一百二十
- Chinese (financial)
- 伍拾陸萬壹仟壹佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 561120, here are decompositions:
- 11 + 561109 = 561120
- 17 + 561103 = 561120
- 19 + 561101 = 561120
- 23 + 561097 = 561120
- 29 + 561091 = 561120
- 37 + 561083 = 561120
- 41 + 561079 = 561120
- 59 + 561061 = 561120
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.143.224.
- Address
- 0.8.143.224
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.143.224
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 561,120 and was likely granted around 1895.
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°.