138,189
138,189 is a composite number, odd.
138,189 (one hundred thirty-eight thousand one hundred eighty-nine) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 73 × 631. Written other ways, in hexadecimal, 0x21BCD.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 1,728
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 981,831
- Recamán's sequence
- a(492,449) = 138,189
- Square (n²)
- 19,096,199,721
- Cube (n³)
- 2,638,884,743,245,269
- Divisor count
- 8
- σ(n) — sum of divisors
- 187,072
- φ(n) — Euler's totient
- 90,720
- Sum of prime factors
- 707
Primality
Prime factorization: 3 × 73 × 631
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,189 = [371; (1, 2, 1, 4, 2, 1, 1, 1, 5, 1, 1, 1, 1, 1, 2, 3, 2, 2, 2, 1, 20, 1, 1, 6, …)]
Representations
- In words
- one hundred thirty-eight thousand one hundred eighty-nine
- Ordinal
- 138189th
- Binary
- 100001101111001101
- Octal
- 415715
- Hexadecimal
- 0x21BCD
- Base64
- AhvN
- One's complement
- 4,294,829,106 (32-bit)
- Scientific notation
- 1.38189 × 10⁵
- As a duration
- 138,189 s = 1 day, 14 hours, 23 minutes, 9 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληρπθʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋩·𝋩
- Chinese
- 一十三萬八千一百八十九
- Chinese (financial)
- 壹拾參萬捌仟壹佰捌拾玖
Also seen as
UTF-8 encoding: F0 A1 AF 8D (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.205.
- Address
- 0.2.27.205
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.205
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 138,189 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.