399920407989620

Names of 399920407989620

• Cardinal: 399920407989620 can be written as Three hundred ninety-nine trillion, nine hundred twenty billion, four hundred seven million, nine hundred eighty-nine thousand, six hundred twenty.

Scientific notation

• Scientific notation: 3.9992040798962 × 10¹⁴

Factors of 399920407989620

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 13051

Divisors of 399920407989620

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 343 490 686 980 1372 1715 2401 3430 4802 6860 9604 12005 13037 16807 24010 26074 33614 48020 52148 65185 67228 84035 91259 117649 130370 168070 182518 235298 260740 336140 365036 456295 470596 588245 638813 912590 1176490 1277626 1825180 2352980 2555252 3194065 4471691 6388130 8943382 12776260 17886764 22358455 31301837 44716910 62603674 89433820 125207348 156509185 169963369 219112859 313018370 339926738 438225718 626036740 679853476 849816845 876451436 1095564295 1189743583 1533790013 1699633690 2191128590 2379487166 3067580026 3399267380 4382257180 4758974332 5948717915 6135160052 7668950065 8328205081 11897435830 15337900130 16656410162 23794871660 30675800260 33312820324 41641025405 58297435567 83282050810 116594871134 166564101620 233189742268 291487177835 408082048969 582974355670 816164097938 1165948711340 1632328195876 2040410244845 2856574342783 4080820489690 5713148685566 8161640979380 11426297371132 14282871713915 19996020399481 28565743427830 39992040798962 57131486855660 79984081597924 99980101997405 199960203994810 399920407989620
• Sum of all divisors σ(n): 979878971215158
• Sum of proper divisors (its aliquot sum) s(n): 579958563225538
• 399920407989620 is an abundant number, because the sum of its proper divisors (579958563225538) is greater than itself. Its abundance is 180038155235918

Bases of 399920407989620

• Binary: 1011010111011100110111001110110110100110101110100₂
• Hexadecimal: 0x16BB9B9DB4D74
• Base-36: 3XRCWDA0DW

Squares and roots of 399920407989620

• 399920407989620 squared (399920407989620²) is 159936332726584116330027744400
• 399920407989620 cubed (399920407989620³) is 63961803436379133115322215064262027213128000
• The square root of 399920407989620 is 19998010.1007480241
• The cube root of 399920407989620 is 73675.7426574127

Scales and comparisons

• 399,920,407,989,620 seconds is equal to 12,716,231 years, 48 weeks, 5 days, 19 hours, 20 minutes, 20 seconds.
• To count from 1 to 399,920,407,989,620 would take you about thirty-one million, seven hundred ninety thousand, five hundred seventy-nine 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 399920407989620 cubic inches would be around 6139.6 feet tall.

Recreational maths with 399920407989620

• 399920407989620 backwards is 026989704029993
• The number of decimal digits it has is: 15
• The sum of 399920407989620's digits is 77
• More coming soon!