980,640
980,640 is a composite number, even.
980,640 (nine hundred eighty thousand six hundred forty) is an even 6-digit number. It is a composite number with 96 divisors, and factors as 2⁵ × 3³ × 5 × 227. Its proper divisors sum to 2,466,720, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xEF6A0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 46,089
- Square (n²)
- 961,654,809,600
- Cube (n³)
- 943,037,172,486,144,000
- Divisor count
- 96
- σ(n) — sum of divisors
- 3,447,360
- φ(n) — Euler's totient
- 260,352
- Sum of prime factors
- 251
Primality
Prime factorization: 2 5 × 3 3 × 5 × 227
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√980,640 = [990; (3, 1, 2, 219, 1, 2, 3, 2, 1, 219, 2, 1, 3, 1980)]
Period length 14 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred eighty thousand six hundred forty
- Ordinal
- 980640th
- Binary
- 11101111011010100000
- Octal
- 3573240
- Hexadecimal
- 0xEF6A0
- Base64
- Dvag
- One's complement
- 4,293,986,655 (32-bit)
- Scientific notation
- 9.8064 × 10⁵
- As a duration
- 980,640 s = 11 days, 8 hours, 24 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ϡπχμʹ
- Chinese
- 九十八萬零六百四十
- Chinese (financial)
- 玖拾捌萬零陸佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 980640, here are decompositions:
- 19 + 980621 = 980640
- 41 + 980599 = 980640
- 47 + 980593 = 980640
- 53 + 980587 = 980640
- 61 + 980579 = 980640
- 83 + 980557 = 980640
- 137 + 980503 = 980640
- 149 + 980491 = 980640
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.14.246.160.
- Address
- 0.14.246.160
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.14.246.160
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 980,640 and was likely granted around 1910.
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°.