139,320
139,320 is a composite number, even.
139,320 (one hundred thirty-nine thousand three hundred twenty) is an even 6-digit number. It is a composite number with 80 divisors, and factors as 2³ × 3⁴ × 5 × 43. Its proper divisors sum to 339,840, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22038.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 23,931
- Recamán's sequence
- a(490,187) = 139,320
- Square (n²)
- 19,410,062,400
- Cube (n³)
- 2,704,209,893,568,000
- Divisor count
- 80
- σ(n) — sum of divisors
- 479,160
- φ(n) — Euler's totient
- 36,288
- Sum of prime factors
- 66
Primality
Prime factorization: 2 3 × 3 4 × 5 × 43
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,320 = [373; (3, 1, 9, 1, 3, 4, 6, 4, 1, 82, 7, 6, 37, 6, 7, 82, 1, 4, 6, 4, 3, 1, 9, 1, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-nine thousand three hundred twenty
- Ordinal
- 139320th
- Binary
- 100010000000111000
- Octal
- 420070
- Hexadecimal
- 0x22038
- Base64
- AiA4
- One's complement
- 4,294,827,975 (32-bit)
- Scientific notation
- 1.3932 × 10⁵
- As a duration
- 139,320 s = 1 day, 14 hours, 42 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρλθτκʹ
- Mayan (base 20)
- 𝋱·𝋨·𝋦·𝋠
- Chinese
- 一十三萬九千三百二十
- Chinese (financial)
- 壹拾參萬玖仟參佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139320, here are decompositions:
- 7 + 139313 = 139320
- 11 + 139309 = 139320
- 17 + 139303 = 139320
- 19 + 139301 = 139320
- 23 + 139297 = 139320
- 29 + 139291 = 139320
- 47 + 139273 = 139320
- 53 + 139267 = 139320
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 80 B8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.32.56.
- Address
- 0.2.32.56
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.32.56
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 139,320 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 139320 first appears in π at position 867,032 of the decimal expansion (the 867,032ordinal-suffix:nd 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.