189,020
189,020 is a composite number, even.
189,020 (one hundred eighty-nine thousand twenty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 5 × 13 × 727. Its proper divisors sum to 239,044, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2E25C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 20,981
- Recamán's sequence
- a(74,032) = 189,020
- Square (n²)
- 35,728,560,400
- Cube (n³)
- 6,753,412,486,808,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 428,064
- φ(n) — Euler's totient
- 69,696
- Sum of prime factors
- 749
Primality
Prime factorization: 2 2 × 5 × 13 × 727
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√189,020 = [434; (1, 3, 4, 8, 2, 1, 2, 13, 1, 7, 2, 3, 10, 1, 2, 1, 1, 4, 4, 2, 1, 216, 1, 2, …)]
Period length 44 — the block in parentheses repeats forever.
Representations
- In words
- one hundred eighty-nine thousand twenty
- Ordinal
- 189020th
- Binary
- 101110001001011100
- Octal
- 561134
- Hexadecimal
- 0x2E25C
- Base64
- AuJc
- One's complement
- 4,294,778,275 (32-bit)
- Scientific notation
- 1.8902 × 10⁵
- As a duration
- 189,020 s = 2 days, 4 hours, 30 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆
- Greek (Milesian)
- ͵ρπθκʹ
- Chinese
- 十八萬九千零二十
- Chinese (financial)
- 壹拾捌萬玖仟零貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 189020, here are decompositions:
- 3 + 189017 = 189020
- 37 + 188983 = 189020
- 67 + 188953 = 189020
- 79 + 188941 = 189020
- 109 + 188911 = 189020
- 151 + 188869 = 189020
- 157 + 188863 = 189020
- 163 + 188857 = 189020
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 AE 89 9C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.226.92.
- Address
- 0.2.226.92
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.226.92
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 189,020 and was likely granted around 1875.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 189020 first appears in π at position 168,182 of the decimal expansion (the 168,182ordinal-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°.