108,290
108,290 is a composite number, even.
108,290 (one hundred eight thousand two hundred ninety) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2 × 5 × 7² × 13 × 17. Its proper divisors sum to 150,262, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1A702.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 92,801
- Recamán's sequence
- a(250,852) = 108,290
- Square (n²)
- 11,726,724,100
- Cube (n³)
- 1,269,886,952,789,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 258,552
- φ(n) — Euler's totient
- 32,256
- Sum of prime factors
- 51
Primality
Prime factorization: 2 × 5 × 7 2 × 13 × 17
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√108,290 = [329; (13, 2, 3, 13, 6, 1, 12, 1, 1, 2, 1, 12, 1, 2, 1, 1, 12, 1, 6, 13, 3, 2, 13, 658)]
Period length 24 — the block in parentheses repeats forever.
Representations
- In words
- one hundred eight thousand two hundred ninety
- Ordinal
- 108290th
- Binary
- 11010011100000010
- Octal
- 323402
- Hexadecimal
- 0x1A702
- Base64
- AacC
- One's complement
- 4,294,859,005 (32-bit)
- Scientific notation
- 1.0829 × 10⁵
- As a duration
- 108,290 s = 1 day, 6 hours, 4 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρησϟʹ
- Mayan (base 20)
- 𝋭·𝋪·𝋮·𝋪
- Chinese
- 十萬八千二百九十
- Chinese (financial)
- 壹拾萬捌仟貳佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 108290, here are decompositions:
- 3 + 108287 = 108290
- 19 + 108271 = 108290
- 43 + 108247 = 108290
- 67 + 108223 = 108290
- 73 + 108217 = 108290
- 79 + 108211 = 108290
- 97 + 108193 = 108290
- 103 + 108187 = 108290
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.167.2.
- Address
- 0.1.167.2
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.167.2
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 108,290 and was likely granted around 1870.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 108290 first appears in π at position 583,247 of the decimal expansion (the 583,247ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.