13121938921920

Names of 13121938921920

• Cardinal: 13121938921920 can be written as Thirteen trillion, one hundred twenty-one billion, nine hundred thirty-eight million, nine hundred twenty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.312193892192 × 10¹³

Factors of 13121938921920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 524357

Divisors of 13121938921920

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 31 32 40 48 58 60 62 64 80 87 93 96 116 120 124 145 155 160 174 186 192 232 240 248 290 310 320 348 372 435 464 465 480 496 580 620 696 744 841 870 899 928 930 960 992 1160 1240 1392 1488 1682 1740 1798 1856 1860 1984 2320 2480 2523 2697 2784 2976 3364 3480 3596 3720 4205 4495 4640 4960 5046 5394 5568 5952 6728 6960 7192 7440 8410 8990 9280 9920 10092 10788 12615 13456 13485 13920 14384 14880 16820 17980 20184 21576 25230 26071 26912 26970 27840 28768 29760 33640 35960 40368 43152 50460 52142 53824 53940 57536 67280 71920 78213 80736 86304 100920 104284 107880 130355 134560 143840 156426 161472 172608 201840 208568 215760 260710 269120 287680 312852 391065 403680 417136 431520 521420 524287 625704 782130 807360 834272 863040 1042840 1048574 1251408 1564260 1572861 1668544 2085680 2097148 2502816 2621435 3128520 3145722 4171360 4194296 5005632 5242870 6257040 6291444 7864305 8342720 8388592 10485740 12514080 12582888 15204323 15728610 16252897 16777184 20971480 25028160 25165776 30408646 31457220 32505794 33554368 41942960 45612969 48758691 50331552 60817292 62914440 65011588 76021615 81264485 83885920 91225938 97517382 100663104 121634584 125828880 130023176 152043230 162528970 167771840 182451876 195034764 228064845 243269168 243793455 251657760 260046352 304086460 325057940 364903752 390069528 440925367 456129690 471334013 486538336 487586910 503315520 520092704 608172920 650115880 729807504 780139056 881850734 912259380 942668026 973076672 975173820 1040185408 1216345840 1300231760 1322776101 1414002039 1459615008 1560278112 1763701468 1824518760 1885336052 1950347640 2204626835 2356670065 2432691680 2600463520 2645552202 2828004078 2919230016 3120556224 3527402936 3649037520 3770672104 3900695280 4409253670 4713340130 4865383360 5200927040 5291104404 5656008156 6613880505 7054805872 7070010195 7298075040 7541344208 7801390560 8818507340 9426680260 10582208808 11312016312 13227761010 13668686377 14109611744 14140020390 14596150080 15082688416 15602781120 17637014680 18853360520 21164417616 22624032624 26455522020 27337372754 28219223488 28280040780 30165376832 35274029360 37706721040 41006059131 42328835232 45248065248 52911044040 54674745508 56560081560 68343431885 70548058720 75413442080 82012118262 84657670464 90496130496 105822088080 109349491016 113120163120 136686863770 141096117440 150826884160 164024236524 205030295655 211644176160 218698982032 226240326240 273373727540 328048473048 410060591310 423288352320 437397964064 452480652480 546747455080 656096946096 820121182620 874795928128 1093494910160 1312193892192 1640242365240 2186989820320 2624387784384 3280484730480 4373979640640 6560969460960 13121938921920
• Sum of all divisors σ(n): 44540287254528
• Sum of proper divisors (its aliquot sum) s(n): 31418348332608
• 13121938921920 is an abundant number, because the sum of its proper divisors (31418348332608) is greater than itself. Its abundance is 18296409410688

Bases of 13121938921920

• Binary: 10111110111100110000100000100001100111000000₂
• Hexadecimal: 0xBEF308219C0
• Base-36: 4NG4VMVUO

Squares and roots of 13121938921920

• 13121938921920 squared (13121938921920²) is 172185281070599011856486400
• 13121938921920 cubed (13121938921920³) is 2259404741462028181048720449375141888000
• The square root of 13121938921920 is 3622421.6930004159
• The cube root of 13121938921920 is 23586.6359520637

Scales and comparisons

• 13,121,938,921,920 seconds is equal to 417,237 years, 3 weeks, 4 days, 1 hour, 52 minutes.
• To count from 1 to 13,121,938,921,920 would take you about one million, forty-three thousand and ninety-two 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 13121938921920 cubic inches would be around 1965.6 feet tall.

Recreational maths with 13121938921920

• 13121938921920 backwards is 02912983912131
• The number of decimal digits it has is: 14
• The sum of 13121938921920's digits is 51
• More coming soon!