139,024
139,024 is a composite number, even.
139,024 (one hundred thirty-nine thousand twenty-four) is an even 6-digit number. It is a composite number with 10 divisors, and factors as 2⁴ × 8,689. Written other ways, in hexadecimal, 0x21F10.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 420,931
- Recamán's sequence
- a(490,779) = 139,024
- Square (n²)
- 19,327,672,576
- Cube (n³)
- 2,687,010,352,205,824
- Divisor count
- 10
- σ(n) — sum of divisors
- 269,390
- φ(n) — Euler's totient
- 69,504
- Sum of prime factors
- 8,697
Primality
Prime factorization: 2 4 × 8689
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,024 = [372; (1, 6, 9, 1, 2, 43, 1, 1, 11, 3, 49, 2, 1, 1, 3, 1, 1, 1, 23, 2, 2, 2, 3, 3, …)]
Period length 50 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-nine thousand twenty-four
- Ordinal
- 139024th
- Binary
- 100001111100010000
- Octal
- 417420
- Hexadecimal
- 0x21F10
- Base64
- Ah8Q
- One's complement
- 4,294,828,271 (32-bit)
- Scientific notation
- 1.39024 × 10⁵
- As a duration
- 139,024 s = 1 day, 14 hours, 37 minutes, 4 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλθκδʹ
- Mayan (base 20)
- 𝋱·𝋧·𝋫·𝋤
- Chinese
- 一十三萬九千零二十四
- Chinese (financial)
- 壹拾參萬玖仟零貳拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139024, here are decompositions:
- 3 + 139021 = 139024
- 47 + 138977 = 139024
- 101 + 138923 = 139024
- 107 + 138917 = 139024
- 131 + 138893 = 139024
- 227 + 138797 = 139024
- 293 + 138731 = 139024
- 383 + 138641 = 139024
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 BC 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.31.16.
- Address
- 0.2.31.16
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.31.16
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 139,024 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 139024 first appears in π at position 217,217 of the decimal expansion (the 217,217ordinal-suffix:th 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.