9979819220

Names of 9979819220

• Cardinal: 9979819220 can be written as Nine billion, nine hundred seventy-nine million, eight hundred nineteen thousand, two hundred twenty.

Scientific notation

• Scientific notation: 9.97981922 × 10⁹

Factors of 9979819220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 57084

Divisors of 9979819220

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 49 70 98 140 179 196 245 358 490 716 895 980 1253 1790 2506 3580 5012 6265 8771 12530 17542 25060 35084 43855 56891 87710 113782 175420 227564 284455 398237 568910 796474 1137820 1592948 1991185 2787659 3982370 5575318 7964740 10183489 11150636 13938295 20366978 27876590 40733956 50917445 55753180 71284423 101834890 142568846 203669780 285137692 356422115 498990961 712844230 997981922 1425688460 1995963844 2494954805 4989909610 9979819220
• Sum of all divisors σ(n): 24515900640
• Sum of proper divisors (its aliquot sum) s(n): 14536081420
• 9979819220 is an abundant number, because the sum of its proper divisors (14536081420) is greater than itself. Its abundance is 4556262200

Bases of 9979819220

• Binary: 1001010010110101111111010011010100₂
• Hexadecimal: 0x252D7F4D4
• Base-36: 4L1Q5SK

Squares and roots of 9979819220

• 9979819220 squared (9979819220²) is 99596791663881408400
• 9979819220 cubed (9979819220³) is 993957975697539459350989448000
• The square root of 9979819220 is 99899.0451405817
• The cube root of 9979819220 is 2152.9844416057

Scales and comparisons

• 9,979,819,220 seconds is equal to 317 years, 17 weeks, 4 hours, 20 seconds.
• To count from 1 to 9,979,819,220 would take you about six hundred thirty-four 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 9979819220 cubic inches would be around 179.4 feet tall.

Recreational maths with 9979819220

• 9979819220 backwards is 0229189799
• The number of decimal digits it has is: 10
• The sum of 9979819220's digits is 56
• More coming soon!