8,809
8,809 is a composite number, odd.
8,809 (eight thousand eight hundred nine) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 23 × 383. Written other ways, in hexadecimal, 0x2269.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 25
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 9,088
- Flips to (rotate 180°)
- 6,088
- Recamán's sequence
- a(24,978) = 8,809
- Square (n²)
- 77,598,481
- Cube (n³)
- 683,565,019,129
- Divisor count
- 4
- σ(n) — sum of divisors
- 9,216
- φ(n) — Euler's totient
- 8,404
- Sum of prime factors
- 406
Primality
Prime factorization: 23 × 383
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√8,809 = [93; (1, 5, 1, 22, 1, 1, 1, 1, 5, 11, 1, 1, 4, 5, 1, 5, 37, 2, 1, 2, 3, 1, 3, 1, …)]
Representations
- In words
- eight thousand eight hundred nine
- Ordinal
- 8809th
- Binary
- 10001001101001
- Octal
- 21151
- Hexadecimal
- 0x2269
- Base64
- Imk=
- One's complement
- 56,726 (16-bit)
- Scientific notation
- 8.809 × 10³
- As a duration
- 8,809 s = 2 hours, 26 minutes, 49 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ηωθʹ
- Mayan (base 20)
- 𝋡·𝋢·𝋠·𝋩
- Chinese
- 八千八百零九
- Chinese (financial)
- 捌仟捌佰零玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 8,809 = 1
- e — Euler's number (e)
- Digit 8,809 = 4
- φ — Golden ratio (φ)
- Digit 8,809 = 3
- √2 — Pythagoras's (√2)
- Digit 8,809 = 2
- ln 2 — Natural log of 2
- Digit 8,809 = 4
- γ — Euler-Mascheroni (γ)
- Digit 8,809 = 8
Also seen as
UTF-8 encoding: E2 89 A9 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.34.105.
- Address
- 0.0.34.105
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.34.105
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 8,809 Hz is closest to:
- Concert pitch (A4 = 440 Hz): C♯9 (8869.8 Hz, -12¢)
- Scientific pitch (C4 = 256 Hz): C♯9 (8679.1 Hz, +26¢)
- Baroque pitch (A4 = 415 Hz): D9 (8863.3 Hz, -11¢)
The digit sequence 8809 first appears in π at position 12,444 of the decimal expansion (the 12,444ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.