138,375
138,375 is a composite number, odd.
138,375 (one hundred thirty-eight thousand three hundred seventy-five) is an odd 6-digit number. It is a composite number with 32 divisors, and factors as 3³ × 5³ × 41. Written other ways, in hexadecimal, 0x21C87.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 2,520
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 573,831
- Recamán's sequence
- a(492,077) = 138,375
- Square (n²)
- 19,147,640,625
- Cube (n³)
- 2,649,554,771,484,375
- Divisor count
- 32
- σ(n) — sum of divisors
- 262,080
- φ(n) — Euler's totient
- 72,000
- Sum of prime factors
- 65
Primality
Prime factorization: 3 3 × 5 3 × 41
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,375 = [371; (1, 81, 1, 1, 1, 81, 1, 742)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand three hundred seventy-five
- Ordinal
- 138375th
- Binary
- 100001110010000111
- Octal
- 416207
- Hexadecimal
- 0x21C87
- Base64
- AhyH
- One's complement
- 4,294,828,920 (32-bit)
- Scientific notation
- 1.38375 × 10⁵
- As a duration
- 138,375 s = 1 day, 14 hours, 26 minutes, 15 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλητοεʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋲·𝋯
- Chinese
- 一十三萬八千三百七十五
- Chinese (financial)
- 壹拾參萬捌仟參佰柒拾伍
Also seen as
UTF-8 encoding: F0 A1 B2 87 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.28.135.
- Address
- 0.2.28.135
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.28.135
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 138,375 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°.