138,049
138,049 is a composite number, odd.
138,049 (one hundred thirty-eight thousand forty-nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 127 × 1,087. Written other ways, in hexadecimal, 0x21B41.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 940,831
- Recamán's sequence
- a(492,729) = 138,049
- Square (n²)
- 19,057,526,401
- Cube (n³)
- 2,630,872,462,131,649
- Divisor count
- 4
- σ(n) — sum of divisors
- 139,264
- φ(n) — Euler's totient
- 136,836
- Sum of prime factors
- 1,214
Primality
Prime factorization: 127 × 1087
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,049 = [371; (1, 1, 4, 1, 1, 4, 15, 3, 1, 4, 1, 2, 2, 4, 4, 49, 3, 3, 2, 1, 2, 1, 2, 1, …)]
Representations
- In words
- one hundred thirty-eight thousand forty-nine
- Ordinal
- 138049th
- Binary
- 100001101101000001
- Octal
- 415501
- Hexadecimal
- 0x21B41
- Base64
- AhtB
- One's complement
- 4,294,829,246 (32-bit)
- Scientific notation
- 1.38049 × 10⁵
- As a duration
- 138,049 s = 1 day, 14 hours, 20 minutes, 49 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλημθʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋢·𝋩
- Chinese
- 一十三萬八千零四十九
- Chinese (financial)
- 壹拾參萬捌仟零肆拾玖
Also seen as
UTF-8 encoding: F0 A1 AD 81 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.65.
- Address
- 0.2.27.65
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.65
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 138,049 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.