84,440
84,440 is a composite number, even.
84,440 (eighty-four thousand four hundred forty) is an even 5-digit number. It is a composite number with 16 divisors, and factors as 2³ × 5 × 2,111. Its proper divisors sum to 105,640, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x149D8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 4,448
- Recamán's sequence
- a(268,268) = 84,440
- Square (n²)
- 7,130,113,600
- Cube (n³)
- 602,066,792,384,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 190,080
- φ(n) — Euler's totient
- 33,760
- Sum of prime factors
- 2,122
Primality
Prime factorization: 2 3 × 5 × 2111
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√84,440 = [290; (1, 1, 2, 2, 2, 1, 1, 1, 2, 13, 1, 3, 1, 6, 1, 5, 1, 1, 1, 12, 1, 1, 3, 1, …)]
Period length 52 — the block in parentheses repeats forever.
Representations
- In words
- eighty-four thousand four hundred forty
- Ordinal
- 84440th
- Binary
- 10100100111011000
- Octal
- 244730
- Hexadecimal
- 0x149D8
- Base64
- AUnY
- One's complement
- 4,294,882,855 (32-bit)
- Scientific notation
- 8.444 × 10⁴
- As a duration
- 84,440 s = 23 hours, 27 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵πδυμʹ
- Mayan (base 20)
- 𝋪·𝋫·𝋢·𝋠
- Chinese
- 八萬四千四百四十
- Chinese (financial)
- 捌萬肆仟肆佰肆拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 84,440 = 8
- e — Euler's number (e)
- Digit 84,440 = 8
- φ — Golden ratio (φ)
- Digit 84,440 = 2
- √2 — Pythagoras's (√2)
- Digit 84,440 = 0
- ln 2 — Natural log of 2
- Digit 84,440 = 6
- γ — Euler-Mascheroni (γ)
- Digit 84,440 = 2
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 84440, here are decompositions:
- 3 + 84437 = 84440
- 19 + 84421 = 84440
- 127 + 84313 = 84440
- 193 + 84247 = 84440
- 211 + 84229 = 84440
- 229 + 84211 = 84440
- 241 + 84199 = 84440
- 277 + 84163 = 84440
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.73.216.
- Address
- 0.1.73.216
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.73.216
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 84440 first appears in π at position 37,071 of the decimal expansion (the 37,071ordinal-suffix:st 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.