139,464
139,464 is a composite number, even.
139,464 (one hundred thirty-nine thousand four hundred sixty-four) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2³ × 3² × 13 × 149. Its proper divisors sum to 270,036, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x220C8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 2,592
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 464,931
- Recamán's sequence
- a(489,899) = 139,464
- Square (n²)
- 19,450,207,296
- Cube (n³)
- 2,712,603,710,329,344
- Divisor count
- 48
- σ(n) — sum of divisors
- 409,500
- φ(n) — Euler's totient
- 42,624
- Sum of prime factors
- 174
Primality
Prime factorization: 2 3 × 3 2 × 13 × 149
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,464 = [373; (2, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 29, 3, 1, 7, 9, 10, 1, 6, 1, 19, 1, 6, 1, …)]
Period length 42 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-nine thousand four hundred sixty-four
- Ordinal
- 139464th
- Binary
- 100010000011001000
- Octal
- 420310
- Hexadecimal
- 0x220C8
- Base64
- AiDI
- One's complement
- 4,294,827,831 (32-bit)
- Scientific notation
- 1.39464 × 10⁵
- As a duration
- 139,464 s = 1 day, 14 hours, 44 minutes, 24 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλθυξδʹ
- Mayan (base 20)
- 𝋱·𝋨·𝋭·𝋤
- Chinese
- 一十三萬九千四百六十四
- Chinese (financial)
- 壹拾參萬玖仟肆佰陸拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139464, here are decompositions:
- 5 + 139459 = 139464
- 7 + 139457 = 139464
- 41 + 139423 = 139464
- 67 + 139397 = 139464
- 71 + 139393 = 139464
- 97 + 139367 = 139464
- 103 + 139361 = 139464
- 131 + 139333 = 139464
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 83 88 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.32.200.
- Address
- 0.2.32.200
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.32.200
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 139,464 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 139464 first appears in π at position 508,063 of the decimal expansion (the 508,063ordinal-suffix:rd 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°.