12991386921502

Names of 12991386921502

• Cardinal: 12991386921502 can be written as Twelve trillion, nine hundred ninety-one billion, three hundred eighty-six million, nine hundred twenty-one thousand, five hundred two.

Scientific notation

• Scientific notation: 1.2991386921502 × 10¹³

Factors of 12991386921502

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 246

Divisors of 12991386921502

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 11 22 37 74 83 113 121 166 226 242 407 814 913 1243 1369 1826 2486 2738 3071 4181 4477 6142 8362 8954 9379 10043 12769 13673 15059 18758 20086 25538 27346 30118 33781 45991 50653 67562 91982 101306 103169 113627 140459 154697 165649 206338 227254 280918 309394 331298 347023 371591 472453 505901 557183 694046 743182 944906 1011802 1059827 1114366 1134859 1249897 1545049 1701667 2119654 2269718 2499794 3090098 3403334 3817253 4204199 5196983 5723789 6129013 7634506 8408398 10393966 11447578 11658097 12258026 12839851 13748867 17480761 18718337 23316194 25679702 27497734 34961522 37436674 39213599 41989783 46246189 57166813 62961679 78427198 83979566 92492378 114333626 125923358 128239067 141238361 192288371 256478134 282476722 384576742 431349589 475074487 508708079 646788157 692578469 862699178 950148974 1017416158 1293576314 1385156938 1450903163 1553621971 2115172081 2901806326 3107243942 4230344162 4744845479 5225819357 7114669727 9489690958 10451638714 14229339454 15959934793 31919869586 53683417031 57484012927 78261366997 107366834062 114968025854 156522733994 175559282723 351118565446 590517587341 1181035174682 6495693460751 12991386921502
• Sum of all divisors σ(n): 22478811853680
• Sum of proper divisors (its aliquot sum) s(n): 9487424932178
• 12991386921502 is a deficient number, because the sum of its proper divisors (9487424932178) is less than itself. Its deficiency is 3503961989324

Bases of 12991386921502

• Binary: 10111101000011001011000000001010101000011110₂
• Hexadecimal: 0xBD0CB00AA1E
• Base-36: 4LS5SCFMM

Squares and roots of 12991386921502

• 12991386921502 squared (12991386921502²) is 168776134144173212709936004
• 12991386921502 cubed (12991386921502³) is 2192636061782279023298788521892991558008
• The square root of 12991386921502 is 3604356.6584762389
• The cube root of 12991386921502 is 23508.1528503985

Scales and comparisons

• 12,991,386,921,502 seconds is equal to 413,085 years, 47 weeks, 5 days, 13 hours, 18 minutes, 22 seconds.
• To count from 1 to 12,991,386,921,502 would take you about one million, thirty-two thousand, seven hundred fourteen 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 12991386921502 cubic inches would be around 1959 feet tall.

Recreational maths with 12991386921502

• 12991386921502 backwards is 20512968319921
• The number of decimal digits it has is: 14
• The sum of 12991386921502's digits is 58
• More coming soon!