139,120
139,120 is a composite number, even.
139,120 (one hundred thirty-nine thousand one hundred twenty) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 5 × 37 × 47. Its proper divisors sum to 200,144, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21F70.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 21,931
- Recamán's sequence
- a(490,587) = 139,120
- Square (n²)
- 19,354,374,400
- Cube (n³)
- 2,692,580,566,528,000
- Divisor count
- 40
- σ(n) — sum of divisors
- 339,264
- φ(n) — Euler's totient
- 52,992
- Sum of prime factors
- 97
Primality
Prime factorization: 2 4 × 5 × 37 × 47
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,120 = [372; (1, 81, 1, 7, 1, 8, 3, 8, 1, 1, 3, 1, 2, 2, 4, 1, 1, 14, 1, 2, 16, 1, 1, 1, …)]
Representations
- In words
- one hundred thirty-nine thousand one hundred twenty
- Ordinal
- 139120th
- Binary
- 100001111101110000
- Octal
- 417560
- Hexadecimal
- 0x21F70
- Base64
- Ah9w
- One's complement
- 4,294,828,175 (32-bit)
- Scientific notation
- 1.3912 × 10⁵
- As a duration
- 139,120 s = 1 day, 14 hours, 38 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρλθρκʹ
- Mayan (base 20)
- 𝋱·𝋧·𝋰·𝋠
- Chinese
- 一十三萬九千一百二十
- Chinese (financial)
- 壹拾參萬玖仟壹佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139120, here are decompositions:
- 11 + 139109 = 139120
- 29 + 139091 = 139120
- 41 + 139079 = 139120
- 53 + 139067 = 139120
- 197 + 138923 = 139120
- 227 + 138893 = 139120
- 251 + 138869 = 139120
- 257 + 138863 = 139120
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 BD B0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.31.112.
- Address
- 0.2.31.112
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.31.112
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 139,120 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.