189,200
189,200 is a composite number, even.
189,200 (one hundred eighty-nine thousand two hundred) is an even 6-digit number. It is a composite number with 60 divisors, and factors as 2⁴ × 5² × 11 × 43. Its proper divisors sum to 318,208, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2E310.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 2,981
- Recamán's sequence
- a(73,672) = 189,200
- Square (n²)
- 35,796,640,000
- Cube (n³)
- 6,772,724,288,000,000
- Divisor count
- 60
- σ(n) — sum of divisors
- 507,408
- φ(n) — Euler's totient
- 67,200
- Sum of prime factors
- 72
Primality
Prime factorization: 2 4 × 5 2 × 11 × 43
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√189,200 = [434; (1, 33, 1, 3, 1, 33, 1, 868)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one hundred eighty-nine thousand two hundred
- Ordinal
- 189200th
- Binary
- 101110001100010000
- Octal
- 561420
- Hexadecimal
- 0x2E310
- Base64
- AuMQ
- One's complement
- 4,294,778,095 (32-bit)
- Scientific notation
- 1.892 × 10⁵
- As a duration
- 189,200 s = 2 days, 4 hours, 33 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢
- Greek (Milesian)
- ͵ρπθσʹ
- Chinese
- 十八萬九千二百
- Chinese (financial)
- 壹拾捌萬玖仟貳佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 189200, here are decompositions:
- 13 + 189187 = 189200
- 31 + 189169 = 189200
- 61 + 189139 = 189200
- 73 + 189127 = 189200
- 139 + 189061 = 189200
- 157 + 189043 = 189200
- 181 + 189019 = 189200
- 331 + 188869 = 189200
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 AE 8C 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.227.16.
- Address
- 0.2.227.16
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.227.16
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 189,200 and was likely granted around 1875.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.