550,440
550,440 is a composite number, even.
550,440 (five hundred fifty thousand four hundred forty) is an even 6-digit number. It is a composite number with 96 divisors, and factors as 2³ × 3² × 5 × 11 × 139. Its proper divisors sum to 1,415,160, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x86628.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 44,055
- Square (n²)
- 302,984,193,600
- Cube (n³)
- 166,774,619,525,184,000
- Divisor count
- 96
- σ(n) — sum of divisors
- 1,965,600
- φ(n) — Euler's totient
- 132,480
- Sum of prime factors
- 167
Primality
Prime factorization: 2 3 × 3 2 × 5 × 11 × 139
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√550,440 = [741; (1, 10, 1, 29, 2, 1, 2, 1, 3, 2, 1, 1, 6, 3, 4, 1, 2, 3, 2, 164, 2, 3, 2, 1, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- five hundred fifty thousand four hundred forty
- Ordinal
- 550440th
- Binary
- 10000110011000101000
- Octal
- 2063050
- Hexadecimal
- 0x86628
- Base64
- CGYo
- One's complement
- 4,294,416,855 (32-bit)
- Scientific notation
- 5.5044 × 10⁵
- As a duration
- 550,440 s = 6 days, 8 hours, 54 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵φνυμʹ
- Chinese
- 五十五萬零四百四十
- Chinese (financial)
- 伍拾伍萬零肆佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 550440, here are decompositions:
- 13 + 550427 = 550440
- 61 + 550379 = 550440
- 71 + 550369 = 550440
- 89 + 550351 = 550440
- 103 + 550337 = 550440
- 131 + 550309 = 550440
- 151 + 550289 = 550440
- 157 + 550283 = 550440
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.102.40.
- Address
- 0.8.102.40
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.102.40
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 550,440 and was likely granted around 1895.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 550440 first appears in π at position 389,523 of the decimal expansion (the 389,523ordinal-suffix:rd digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.