31620979745940

Names of 31620979745940

• Cardinal: 31620979745940 can be written as Thirty-one trillion, six hundred twenty billion, nine hundred seventy-nine million, seven hundred forty-five thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.162097974594 × 10¹³

Factors of 31620979745940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 138361127

Divisors of 31620979745940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 293 390 586 780 879 1172 1465 1758 2930 3516 3809 4395 5860 7618 8790 11427 15236 17580 19045 22854 38090 45708 57135 76180 114270 228540 138360811 276721622 415082433 553443244 691804055 830164866 1383608110 1660329732 1798690543 2075412165 2767216220 3597381086 4150824330 5396071629 7194762172 8301648660 8993452715 10792143258 17986905430 21584286516 26980358145 35973810860 40539717623 53960716290 81079435246 107921432580 121619152869 162158870492 202698588115 243238305738 405397176230 486476611476 527016329099 608095764345 810794352460 1054032658198 1216191528690 1581048987297 2108065316396 2432383057380 2635081645495 3162097974594 5270163290990 6324195949188 7905244936485 10540326581980 15810489872970 31620979745940
• Sum of all divisors σ(n): 95674841168256
• Sum of proper divisors (its aliquot sum) s(n): 64053861422316
• 31620979745940 is an abundant number, because the sum of its proper divisors (64053861422316) is greater than itself. Its abundance is 32432881676376

Bases of 31620979745940

• Binary: 111001100001001010101010000111110010010010100₂
• Hexadecimal: 0x1CC25543E494
• Base-36: B7IH6WSYC

Squares and roots of 31620979745940

• 31620979745940 squared (31620979745940²) is 999886360093147706946483600
• 31620979745940 cubed (31620979745940³) is 31617386340747093133135512559104376584000
• The square root of 31620979745940 is 5623253.4840552939
• The cube root of 31620979745940 is 31622.1776384245

Scales and comparisons

• 31,620,979,745,940 seconds is equal to 1,005,449 years, 17 weeks, 6 days, 20 hours, 59 minutes.
• To count from 1 to 31,620,979,745,940 would take you about two million, five hundred thirteen thousand, six hundred twenty-three 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 31620979745940 cubic inches would be around 2635.2 feet tall.

Recreational maths with 31620979745940

• 31620979745940 backwards is 04954797902613
• The number of decimal digits it has is: 14
• The sum of 31620979745940's digits is 66
• More coming soon!