138,044
138,044 is a composite number, even.
138,044 (one hundred thirty-eight thousand forty-four) is an even 6-digit number. It is a composite number with 6 divisors, and factors as 2² × 34,511. Written other ways, in hexadecimal, 0x21B3C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 440,831
- Recamán's sequence
- a(492,739) = 138,044
- Square (n²)
- 19,056,145,936
- Cube (n³)
- 2,630,586,609,589,184
- Divisor count
- 6
- σ(n) — sum of divisors
- 241,584
- φ(n) — Euler's totient
- 69,020
- Sum of prime factors
- 34,515
Primality
Prime factorization: 2 2 × 34511
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,044 = [371; (1, 1, 5, 2, 1, 5, 1, 2, 1, 1, 2, 1, 7, 2, 4, 11, 4, 1, 3, 1, 105, 2, 1, 3, …)]
Representations
- In words
- one hundred thirty-eight thousand forty-four
- Ordinal
- 138044th
- Binary
- 100001101100111100
- Octal
- 415474
- Hexadecimal
- 0x21B3C
- Base64
- Ahs8
- One's complement
- 4,294,829,251 (32-bit)
- Scientific notation
- 1.38044 × 10⁵
- As a duration
- 138,044 s = 1 day, 14 hours, 20 minutes, 44 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλημδʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋢·𝋤
- Chinese
- 一十三萬八千零四十四
- Chinese (financial)
- 壹拾參萬捌仟零肆拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138044, here are decompositions:
- 3 + 138041 = 138044
- 37 + 138007 = 138044
- 61 + 137983 = 138044
- 97 + 137947 = 138044
- 103 + 137941 = 138044
- 241 + 137803 = 138044
- 307 + 137737 = 138044
- 331 + 137713 = 138044
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 AC BC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.60.
- Address
- 0.2.27.60
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.60
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 138,044 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 138044 first appears in π at position 220,676 of the decimal expansion (the 220,676ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.