7981992964

Names of 7981992964

• Cardinal: 7981992964 can be written as Seven billion, nine hundred eighty-one million, nine hundred ninety-two thousand, nine hundred sixty-four.

Scientific notation

• Scientific notation: 7.981992964 × 10⁹

Factors of 7981992964

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 175

Divisors of 7981992964

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 11 22 31 44 62 121 124 131 242 262 341 484 524 682 961 1364 1441 1922 2882 3751 3844 4061 5764 7502 8122 10571 15004 15851 16244 17161 21142 31702 34322 42284 44671 63404 68644 89342 116281 125891 178684 188771 232562 251782 377542 465124 491381 503564 531991 755084 982762 1063982 1384801 1965524 2076481 2127964 2769602 4152962 5539204 5851901 8305924 11703802 15232811 16491721 23407604 30465622 32983442 60931244 64370911 65966884 128741822 181408931 257483644 362817862 725635724 1995498241 3990996482 7981992964
• Sum of all divisors σ(n): 15987084519
• Sum of proper divisors (its aliquot sum) s(n): 8005091555
• 7981992964 is an abundant number, because the sum of its proper divisors (8005091555) is greater than itself. Its abundance is 23098591

Bases of 7981992964

• Binary: 111011011110000111000110000000100₂
• Hexadecimal: 0x1DBC38C04
• Base-36: 3O09T6S

Squares and roots of 7981992964

• 7981992964 squared (7981992964²) is 63712211677345505296
• 7981992964 cubed (7981992964³) is 508550425329450461469696737344
• 7981992964 is a perfect square number. Its square root is 89342
• The cube root of 7981992964 is 1998.4982863769

Scales and comparisons

• 7,981,992,964 seconds is equal to 253 years, 41 weeks, 5 days, 4 hours, 16 minutes, 4 seconds.
• To count from 1 to 7,981,992,964 would take you about five hundred seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 7981992964 cubic inches would be around 166.5 feet tall.

Recreational maths with 7981992964

• 7981992964 backwards is 4692991897
• The number of decimal digits it has is: 10
• The sum of 7981992964's digits is 64
• More coming soon!