31212023220

Names of 31212023220

• Cardinal: 31212023220 can be written as Thirty-one billion, two hundred twelve million, twenty-three thousand, two hundred twenty.

Scientific notation

• Scientific notation: 3.121202322 × 10¹⁰

Factors of 31212023220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 917478

Divisors of 31212023220

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 135 140 162 180 189 210 243 252 270 315 324 378 405 420 486 540 567 630 756 810 945 972 1134 1215 1260 1620 1701 1890 2268 2430 2835 3402 3780 4860 5670 6804 8505 11340 17010 34020 917461 1834922 2752383 3669844 4587305 5504766 6422227 8257149 9174610 11009532 12844454 13761915 16514298 18349220 19266681 24771447 25688908 27523830 32111135 33028596 38533362 41285745 49542894 55047660 57800043 64222270 74314341 77066724 82571490 96333405 99085788 115600086 123857235 128444540 148628682 165142980 173400129 192666810 222943023 231200172 247714470 289000215 297257364 346800258 371571705 385333620 445886046 495428940 520200387 578000430 693600516 743143410 867000645 891772092 1040400774 1114715115 1156000860 1486286820 1560601161 1734001290 2080801548 2229430230 2601001935 3121202322 3468002580 4458860460 5202003870 6242404644 7803005805 10404007740 15606011610 31212023220
• Sum of all divisors σ(n): 112209272448
• Sum of proper divisors (its aliquot sum) s(n): 80997249228
• 31212023220 is an abundant number, because the sum of its proper divisors (80997249228) is greater than itself. Its abundance is 49785226008

Bases of 31212023220

• Binary: 11101000100011000011010110110110100₂
• Hexadecimal: 0x74461ADB4
• Base-36: EC6TZ90

Squares and roots of 31212023220

• 31212023220 squared (31212023220²) is 974190393485819168400
• 31212023220 cubed (31212023220³) is 30406453182180324624821890248000
• The square root of 31212023220 is 176669.2480880587
• The cube root of 31212023220 is 3148.5261676689

Scales and comparisons

• 31,212,023,220 seconds is equal to 992 years, 23 weeks, 1 day, 6 hours, 27 minutes.
• To count from 1 to 31,212,023,220 would take you about one thousand, nine hundred eighty-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 31212023220 cubic inches would be around 262.4 feet tall.

Recreational maths with 31212023220

• 31212023220 backwards is 02232021213
• 31212023220 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31212023220's digits is 18
• More coming soon!