551,040
551,040 is a composite number, even.
551,040 (five hundred fifty-one thousand forty) is an even 6-digit number. It is a composite number with 128 divisors, and factors as 2⁷ × 3 × 5 × 7 × 41. Its proper divisors sum to 1,505,280, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x86880.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 40,155
- Recamán's sequence
- a(187,472) = 551,040
- Square (n²)
- 303,645,081,600
- Cube (n³)
- 167,320,585,764,864,000
- Divisor count
- 128
- σ(n) — sum of divisors
- 2,056,320
- φ(n) — Euler's totient
- 122,880
- Sum of prime factors
- 70
Primality
Prime factorization: 2 7 × 3 × 5 × 7 × 41
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√551,040 = [742; (3, 8, 2, 4, 1, 1, 1, 92, 6, 1, 8, 2, 12, 371, 12, 2, 8, 1, 6, 92, 1, 1, 1, 4, …)]
Period length 28 — the block in parentheses repeats forever.
Representations
- In words
- five hundred fifty-one thousand forty
- Ordinal
- 551040th
- Binary
- 10000110100010000000
- Octal
- 2064200
- Hexadecimal
- 0x86880
- Base64
- CGiA
- One's complement
- 4,294,416,255 (32-bit)
- Scientific notation
- 5.5104 × 10⁵
- As a duration
- 551,040 s = 6 days, 9 hours, 4 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓆼𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵φναμʹ
- Chinese
- 五十五萬一千零四十
- Chinese (financial)
- 伍拾伍萬壹仟零肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 551040, here are decompositions:
- 13 + 551027 = 551040
- 23 + 551017 = 551040
- 37 + 551003 = 551040
- 43 + 550997 = 551040
- 47 + 550993 = 551040
- 67 + 550973 = 551040
- 71 + 550969 = 551040
- 79 + 550961 = 551040
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.104.128.
- Address
- 0.8.104.128
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.104.128
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 551,040 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 551040 first appears in π at position 209,730 of the decimal expansion (the 209,730ordinal-suffix:th 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°.