31903015981980

Names of 31903015981980

• Cardinal: 31903015981980 can be written as Thirty-one trillion, nine hundred three billion, fifteen million, nine hundred eighty-one thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 3.190301598198 × 10¹³

Factors of 31903015981980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 218723594

Divisors of 31903015981980

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 13 15 17 20 22 26 30 33 34 39 44 51 52 55 60 65 66 68 78 85 102 110 130 132 143 156 165 170 187 195 204 220 221 255 260 286 330 340 374 390 429 442 510 561 572 660 663 715 748 780 858 884 935 1020 1105 1122 1326 1430 1716 1870 2145 2210 2244 2431 2652 2805 2860 3315 3740 4290 4420 4862 5610 6630 7293 8580 9724 11220 12155 13260 14586 24310 29172 36465 48620 72930 145860 218723543 437447086 656170629 874894172 1093617715 1312341258 2187235430 2405958973 2624682516 2843406059 3280853145 3718300231 4374470860 4811917946 5686812118 6561706290 7217876919 7436600462 8530218177 9623835892 11154900693 11373624236 12029794865 13123412580 14217030295 14435753838 14873200924 17060436354 18591501155 22309801386 24059589730 28434060590 28871507676 31277466649 34120872708 36089384595 37183002310 40901302541 42651090885 44619602772 48119179460 48337903003 55774503465 56868121180 62554933298 72178769190 74366004620 81802605082 85302181770 93832399947 96675806006 111549006930 122703907623 125109866596 144357538380 145013709009 156387333245 163605210164 170604363540 187664799894 193351612012 204506512705 223098013860 241689515015 245407815246 290027418018 312774666490 375329599788 409013025410 469161999735 483379030030 490815630492 531716933033 580054836036 613519538115 625549332980 725068545045 818026050820 938323999470 966758060060 1063433866066 1227039076230 1450137090090 1595150799099 1876647998940 2126867732132 2454078152460 2658584665165 2900274180180 3190301598198 5317169330330 6380603196396 7975753995495 10634338660660 15951507990990 31903015981980
• Sum of all divisors σ(n): 111118559505408
• Sum of proper divisors (its aliquot sum) s(n): 79215543523428
• 31903015981980 is an abundant number, because the sum of its proper divisors (79215543523428) is greater than itself. Its abundance is 47312527541448

Bases of 31903015981980

• Binary: 111010000001111111111111011110101001110011100₂
• Hexadecimal: 0x1D03FFEF539C
• Base-36: BB41K05GC

Squares and roots of 31903015981980

• 31903015981980 squared (31903015981980²) is 1017802428746471303684720400
• 31903015981980 cubed (31903015981980³) is 32470967150796734178983080984327738392000
• The square root of 31903015981980 is 5648275.4874368513
• The cube root of 31903015981980 is 31715.9151382789

Scales and comparisons

• 31,903,015,981,980 seconds is equal to 1,014,417 years, 11 weeks, 5 days, 3 hours, 53 minutes.
• To count from 1 to 31,903,015,981,980 would take you about two million, five hundred thirty-six thousand and forty-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 31903015981980 cubic inches would be around 2643 feet tall.

Recreational maths with 31903015981980

• 31903015981980 backwards is 08918951030913
• The number of decimal digits it has is: 14
• The sum of 31903015981980's digits is 57
• More coming soon!