139,401
139,401 is a composite number, odd.
139,401 (one hundred thirty-nine thousand four hundred one) is an odd 6-digit number. It is a composite number with 10 divisors, and factors as 3⁴ × 1,721. Written other ways, in hexadecimal, 0x22089.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 104,931
- Recamán's sequence
- a(490,025) = 139,401
- Square (n²)
- 19,432,638,801
- Cube (n³)
- 2,708,929,281,498,201
- Divisor count
- 10
- σ(n) — sum of divisors
- 208,362
- φ(n) — Euler's totient
- 92,880
- Sum of prime factors
- 1,733
Primality
Prime factorization: 3 4 × 1721
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,401 = [373; (2, 1, 2, 1, 9, 1, 1, 1, 4, 4, 2, 4, 1, 2, 1, 4, 1, 3, 23, 13, 1, 1, 6, 1, …)]
Representations
- In words
- one hundred thirty-nine thousand four hundred one
- Ordinal
- 139401st
- Binary
- 100010000010001001
- Octal
- 420211
- Hexadecimal
- 0x22089
- Base64
- AiCJ
- One's complement
- 4,294,827,894 (32-bit)
- Scientific notation
- 1.39401 × 10⁵
- As a duration
- 139,401 s = 1 day, 14 hours, 43 minutes, 21 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓏺
- Greek (Milesian)
- ͵ρλθυαʹ
- Mayan (base 20)
- 𝋱·𝋨·𝋪·𝋡
- Chinese
- 一十三萬九千四百零一
- Chinese (financial)
- 壹拾參萬玖仟肆佰零壹
Also seen as
UTF-8 encoding: F0 A2 82 89 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.32.137.
- Address
- 0.2.32.137
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.32.137
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 139,401 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°.