138,625
138,625 is a composite number, odd.
138,625 (one hundred thirty-eight thousand six hundred twenty-five) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 5³ × 1,109. Written other ways, in hexadecimal, 0x21D81.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 1,440
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 526,831
- Recamán's sequence
- a(491,577) = 138,625
- Square (n²)
- 19,216,890,625
- Cube (n³)
- 2,663,941,462,890,625
- Divisor count
- 8
- σ(n) — sum of divisors
- 173,160
- φ(n) — Euler's totient
- 110,800
- Sum of prime factors
- 1,124
Primality
Prime factorization: 5 3 × 1109
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,625 = [372; (3, 11, 3, 3, 4, 1, 6, 1, 2, 2, 4, 1, 2, 1, 12, 1, 1, 3, 1, 2, 2, 8, 1, 3, …)]
Representations
- In words
- one hundred thirty-eight thousand six hundred twenty-five
- Ordinal
- 138625th
- Binary
- 100001110110000001
- Octal
- 416601
- Hexadecimal
- 0x21D81
- Base64
- Ah2B
- One's complement
- 4,294,828,670 (32-bit)
- Scientific notation
- 1.38625 × 10⁵
- As a duration
- 138,625 s = 1 day, 14 hours, 30 minutes, 25 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληχκεʹ
- Mayan (base 20)
- 𝋱·𝋦·𝋫·𝋥
- Chinese
- 一十三萬八千六百二十五
- Chinese (financial)
- 壹拾參萬捌仟陸佰貳拾伍
Also seen as
UTF-8 encoding: F0 A1 B6 81 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.29.129.
- Address
- 0.2.29.129
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.29.129
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 138,625 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 138625 first appears in π at position 265,079 of the decimal expansion (the 265,079ordinal-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.