139,061
139,061 is a composite number, odd.
139,061 (one hundred thirty-nine thousand sixty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 13 × 19 × 563. Written other ways, in hexadecimal, 0x21F35.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 160,931
- Recamán's sequence
- a(490,705) = 139,061
- Square (n²)
- 19,337,961,721
- Cube (n³)
- 2,689,156,294,883,981
- Divisor count
- 8
- σ(n) — sum of divisors
- 157,920
- φ(n) — Euler's totient
- 121,392
- Sum of prime factors
- 595
Primality
Prime factorization: 13 × 19 × 563
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,061 = [372; (1, 9, 1, 31, 1, 1, 13, 1, 1, 3, 2, 1, 1, 2, 2, 7, 25, 1, 1, 2, 1, 1, 25, 7, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-nine thousand sixty-one
- Ordinal
- 139061st
- Binary
- 100001111100110101
- Octal
- 417465
- Hexadecimal
- 0x21F35
- Base64
- Ah81
- One's complement
- 4,294,828,234 (32-bit)
- Scientific notation
- 1.39061 × 10⁵
- As a duration
- 139,061 s = 1 day, 14 hours, 37 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρλθξαʹ
- Mayan (base 20)
- 𝋱·𝋧·𝋭·𝋡
- Chinese
- 一十三萬九千零六十一
- Chinese (financial)
- 壹拾參萬玖仟零陸拾壹
Also seen as
UTF-8 encoding: F0 A1 BC B5 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.31.53.
- Address
- 0.2.31.53
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.31.53
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 139,061 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 139061 first appears in π at position 239,591 of the decimal expansion (the 239,591ordinal-suffix:st 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.