12391438638502

Names of 12391438638502

• Cardinal: 12391438638502 can be written as Twelve trillion, three hundred ninety-one billion, four hundred thirty-eight million, six hundred thirty-eight thousand, five hundred two.

Scientific notation

• Scientific notation: 1.2391438638502 × 10¹³

Factors of 12391438638502

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 133

Divisors of 12391438638502

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 7 11 14 17 22 23 34 46 73 77 119 146 154 161 187 238 253 322 374 391 506 511 529 782 803 1022 1058 1241 1309 1606 1679 1771 2482 2618 2737 3358 3542 3703 4301 5329 5474 5621 5819 7406 8602 8687 8993 10658 11242 11638 11753 12167 13651 17374 17986 18469 23506 24334 27302 28543 30107 36938 37303 38617 40733 57086 58619 60214 62951 74606 77234 81466 85169 90593 95557 98923 117238 122567 125902 129283 133837 170338 181186 191114 197846 199801 206839 245134 258566 267674 270319 313973 389017 399602 410333 413678 424787 540638 627946 634151 656489 692461 778034 820666 849574 857969 888191 936859 996523 1268302 1312978 1348237 1384922 1447873 1715938 1776382 1873718 1993046 2083639 2197811 2275229 2696474 2723119 2819041 2895746 2973509 4167278 4279187 4395622 4550458 4595423 5446238 5638082 5947018 6217337 6613289 6975661 7221379 8558374 8947391 9190846 9437659 9770101 12434674 13226578 13951322 14442758 14585473 15099247 15926603 17894782 18875318 19540202 19733287 22920029 29170946 29954309 30198494 31009451 31853206 39466574 45840058 46293023 47923697 50549653 59908618 62018902 62631737 64837943 68390707 72746179 92586046 95847394 98421301 101099306 105694729 125263474 129675886 136781414 145492358 152105647 160440203 166091717 196842602 205789993 211389458 217066157 304211294 320880406 332183434 335465879 411579986 434132314 453865601 509223253 527160667 670931758 688949107 713217373 907731202 1018446506 1054321334 1064739529 1102245031 1162642019 1377898214 1426434746 1440529951 1673162117 2129479058 2204490062 2263689923 2325284038 2881059902 3346324234 3498429881 3690124669 4527379846 4733169839 4992521611 6996859762 7380249338 7715715217 9466339678 9985043222 11712134819 12124695341 15431430434 15845829461 23424269638 24249390682 24489009167 31691658922 33132188873 38482728691 48978018334 52064868229 66264377746 76965457382 80463887263 84872867387 104129736458 160927774526 169745734774 269379100837 364454077603 538758201674 563247210841 728908155206 885102759893 1126494421682 1770205519786 6195719319251 12391438638502
• Sum of all divisors σ(n): 26008244121600
• Sum of proper divisors (its aliquot sum) s(n): 13616805483098
• 12391438638502 is an abundant number, because the sum of its proper divisors (13616805483098) is greater than itself. Its abundance is 1225366844596

Bases of 12391438638502

• Binary: 10110100010100011011010011000101110110100110₂
• Hexadecimal: 0xB451B4C5DA6
• Base-36: 4E4JQMLRA

Squares and roots of 12391438638502

• 12391438638502 squared (12391438638502²) is 153547751531760299436804004
• 12391438638502 cubed (12391438638502³) is 1902677541185759229864606444715982162008
• The square root of 12391438638502 is 3520147.5307864583
• The cube root of 12391438638502 is 23140.5624280789

Scales and comparisons

• 12,391,438,638,502 seconds is equal to 394,009 years, 21 weeks, 5 days, 16 hours, 28 minutes, 22 seconds.
• To count from 1 to 12,391,438,638,502 would take you about nine hundred eighty-five thousand and 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 12391438638502 cubic inches would be around 1928.4 feet tall.

Recreational maths with 12391438638502

• 12391438638502 backwards is 20583683419321
• The number of decimal digits it has is: 14
• The sum of 12391438638502's digits is 55
• More coming soon!