989,472
989,472 is a composite number, even.
989,472 (nine hundred eighty-nine thousand four hundred seventy-two) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2⁵ × 3 × 11 × 937. Its proper divisors sum to 1,847,040, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF1920.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 39
- Digit product
- 36,288
- Digital root
- 3
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 274,989
- Square (n²)
- 979,054,838,784
- Cube (n³)
- 968,747,349,441,282,048
- Divisor count
- 48
- σ(n) — sum of divisors
- 2,836,512
- φ(n) — Euler's totient
- 299,520
- Sum of prime factors
- 961
Primality
Prime factorization: 2 5 × 3 × 11 × 937
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√989,472 = [994; (1, 2, 1, 1, 2, 20, 8, 3, 1, 1, 1, 3, 50, 1, 2, 1, 3, 1, 6, 1, 1, 9, 1, 1, …)]
Representations
- In words
- nine hundred eighty-nine thousand four hundred seventy-two
- Ordinal
- 989472nd
- Binary
- 11110001100100100000
- Octal
- 3614440
- Hexadecimal
- 0xF1920
- Base64
- Dxkg
- One's complement
- 4,293,977,823 (32-bit)
- Scientific notation
- 9.89472 × 10⁵
- As a duration
- 989,472 s = 11 days, 10 hours, 51 minutes, 12 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ϡπθυοβʹ
- Chinese
- 九十八萬九千四百七十二
- Chinese (financial)
- 玖拾捌萬玖仟肆佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 989472, here are decompositions:
- 5 + 989467 = 989472
- 31 + 989441 = 989472
- 53 + 989419 = 989472
- 61 + 989411 = 989472
- 131 + 989341 = 989472
- 149 + 989323 = 989472
- 151 + 989321 = 989472
- 163 + 989309 = 989472
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.25.32.
- Address
- 0.15.25.32
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.25.32
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 989,472 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 989472 first appears in π at position 132,100 of the decimal expansion (the 132,100ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.