138,732
138,732 is a composite number, even.
138,732 (one hundred thirty-eight thousand seven hundred thirty-two) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 11 × 1,051. Its proper divisors sum to 214,740, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21DEC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 1,008
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 237,831
- Recamán's sequence
- a(491,363) = 138,732
- Square (n²)
- 19,246,567,824
- Cube (n³)
- 2,670,114,847,359,168
- Divisor count
- 24
- σ(n) — sum of divisors
- 353,472
- φ(n) — Euler's totient
- 42,000
- Sum of prime factors
- 1,069
Primality
Prime factorization: 2 2 × 3 × 11 × 1051
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,732 = [372; (2, 7, 5, 1, 1, 4, 4, 1, 92, 3, 4, 7, 1, 3, 1, 1, 8, 186, 8, 1, 1, 3, 1, 7, …)]
Period length 36 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand seven hundred thirty-two
- Ordinal
- 138732nd
- Binary
- 100001110111101100
- Octal
- 416754
- Hexadecimal
- 0x21DEC
- Base64
- Ah3s
- One's complement
- 4,294,828,563 (32-bit)
- Scientific notation
- 1.38732 × 10⁵
- As a duration
- 138,732 s = 1 day, 14 hours, 32 minutes, 12 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρληψλβʹ
- Mayan (base 20)
- 𝋱·𝋦·𝋰·𝋬
- Chinese
- 一十三萬八千七百三十二
- Chinese (financial)
- 壹拾參萬捌仟柒佰參拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138732, here are decompositions:
- 5 + 138727 = 138732
- 53 + 138679 = 138732
- 71 + 138661 = 138732
- 103 + 138629 = 138732
- 151 + 138581 = 138732
- 163 + 138569 = 138732
- 173 + 138559 = 138732
- 239 + 138493 = 138732
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 B7 AC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.29.236.
- Address
- 0.2.29.236
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.29.236
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 138,732 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 138732 first appears in π at position 394,525 of the decimal expansion (the 394,525ordinal-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°.