72409021425

Names of 72409021425

• Cardinal: 72409021425 can be written as Seventy-two billion, four hundred nine million, twenty-one thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 7.2409021425 × 10¹⁰

Factors of 72409021425

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1032

Divisors of 72409021425

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 13 15 25 39 45 65 75 117 127 195 225 325 381 421 463 585 635 975 1143 1263 1389 1651 1905 2105 2315 2925 3175 3789 4167 4953 5473 5715 6019 6315 6945 8255 9525 10525 11575 14859 16419 18057 18945 20835 24765 27365 28575 30095 31575 34725 41275 49257 53467 54171 58801 74295 82095 90285 94725 104175 123825 136825 150475 160401 176403 194923 246285 267335 270855 294005 371475 410475 451425 481203 529209 584769 695071 764413 802005 882015 974615 1231425 1336675 1354275 1470025 1754307 2085213 2293239 2406015 2533999 2646045 2923845 3475355 3822065 4010025 4410075 4873075 6255639 6879717 7601997 8771535 10426065 11466195 12030075 12669995 13230225 14619225 17376775 19110325 22805991 24755221 31278195 34398585 38009985 43857675 52130325 57330975 63349975 74265663 114029955 123776105 156390975 171992925 190049925 222796989 321817873 371328315 570149775 618880525 965453619 1113984945 1609089365 1856641575 2896360857 4827268095 5569924725 8045446825 14481804285 24136340475 72409021425
• Sum of all divisors σ(n): 141407838208
• Sum of proper divisors (its aliquot sum) s(n): 68998816783
• 72409021425 is a deficient number, because the sum of its proper divisors (68998816783) is less than itself. Its deficiency is 3410204642

Bases of 72409021425

• Binary: 1000011011011111010011111101111110001₂
• Hexadecimal: 0x10DBE9FBF1
• Base-36: X9IGMI9

Squares and roots of 72409021425

• 72409021425 squared (72409021425²) is 5243066383726109030625
• 72409021425 cubed (72409021425³) is 379645306111921100130411606140625
• The square root of 72409021425 is 269089.2443502713
• The cube root of 72409021425 is 4168.0305426511

Scales and comparisons

• 72,409,021,425 seconds is equal to 2,302 years, 19 weeks, 6 days, 9 hours, 3 minutes, 45 seconds.
• To count from 1 to 72,409,021,425 would take you about four thousand, six hundred 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 72409021425 cubic inches would be around 347.3 feet tall.

Recreational maths with 72409021425

• 72409021425 backwards is 52412090427
• The number of decimal digits it has is: 11
• The sum of 72409021425's digits is 36
• More coming soon!