9920321125

Names of 9920321125

• Cardinal: 9920321125 can be written as Nine billion, nine hundred twenty million, three hundred twenty-one thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 9.920321125 × 10⁹

Factors of 9920321125

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3910

Divisors of 9920321125

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 11 13 25 55 65 121 125 143 169 275 325 605 715 845 1375 1573 1625 1859 3025 3575 3881 4225 7865 9295 15125 17875 19405 20449 21125 39325 42691 46475 50453 97025 102245 196625 213455 232375 252265 469601 485125 511225 554983 655889 1067275 1261325 2348005 2556125 2774915 3279445 5336375 6104813 6306625 7214779 11740025 13874575 16397225 30524065 36073895 58700125 69372875 79362569 81986125 152620325 180369475 396812845 763101625 901847375 1984064225 9920321125
• Sum of all divisors σ(n): 14739503688
• Sum of proper divisors (its aliquot sum) s(n): 4819182563
• 9920321125 is a deficient number, because the sum of its proper divisors (4819182563) is less than itself. Its deficiency is 5101138562

Bases of 9920321125

• Binary: 1001001111010011000001011001100101₂
• Hexadecimal: 0x24F4C1665
• Base-36: 4K2AWRP

Squares and roots of 9920321125

• 9920321125 squared (9920321125²) is 98412771223121265625
• 9920321125 cubed (9920321125³) is 976286293334521979816423828125
• The square root of 9920321125 is 99600.8088571573
• The cube root of 9920321125 is 2148.6973269759

Scales and comparisons

• 9,920,321,125 seconds is equal to 315 years, 22 weeks, 4 days, 12 hours, 45 minutes, 25 seconds.
• To count from 1 to 9,920,321,125 would take you about six hundred thirty 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 9920321125 cubic inches would be around 179.1 feet tall.

Recreational maths with 9920321125

• 9920321125 backwards is 5211230299
• The number of decimal digits it has is: 10
• The sum of 9920321125's digits is 34
• More coming soon!