48,990
48,990 is a composite number, even.
48,990 (forty-eight thousand nine hundred ninety) is an even 5-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 5 × 23 × 71. Its proper divisors sum to 75,426, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xBF5E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 30
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 9,984
- Square (n²)
- 2,400,020,100
- Cube (n³)
- 117,576,984,699,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 124,416
- φ(n) — Euler's totient
- 12,320
- Sum of prime factors
- 104
Primality
Prime factorization: 2 × 3 × 5 × 23 × 71
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√48,990 = [221; (2, 1, 30, 1, 20, 8, 1, 72, 1, 8, 20, 1, 30, 1, 2, 442)]
Period length 16 — the block in parentheses repeats forever.
Representations
- In words
- forty-eight thousand nine hundred ninety
- Ordinal
- 48990th
- Binary
- 1011111101011110
- Octal
- 137536
- Hexadecimal
- 0xBF5E
- Base64
- v14=
- One's complement
- 16,545 (16-bit)
- Scientific notation
- 4.899 × 10⁴
- As a duration
- 48,990 s = 13 hours, 36 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵μηϡϟʹ
- Mayan (base 20)
- 𝋦·𝋢·𝋩·𝋪
- Chinese
- 四萬八千九百九十
- Chinese (financial)
- 肆萬捌仟玖佰玖拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 48,990 = 5
- e — Euler's number (e)
- Digit 48,990 = 9
- φ — Golden ratio (φ)
- Digit 48,990 = 3
- √2 — Pythagoras's (√2)
- Digit 48,990 = 9
- ln 2 — Natural log of 2
- Digit 48,990 = 8
- γ — Euler-Mascheroni (γ)
- Digit 48,990 = 9
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 48990, here are decompositions:
- 17 + 48973 = 48990
- 37 + 48953 = 48990
- 43 + 48947 = 48990
- 83 + 48907 = 48990
- 101 + 48889 = 48990
- 107 + 48883 = 48990
- 131 + 48859 = 48990
- 167 + 48823 = 48990
Showing the first eight; more decompositions exist.
UTF-8 encoding: EB BD 9E (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.191.94.
- Address
- 0.0.191.94
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.191.94
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 48990 first appears in π at position 44,900 of the decimal expansion (the 44,900ordinal-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°.