81376421590828

Names of 81376421590828

• Cardinal: 81376421590828 can be written as Eighty-one trillion, three hundred seventy-six billion, four hundred twenty-one million, five hundred ninety thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 8.1376421590828 × 10¹³

Factors of 81376421590828

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 111

Divisors of 81376421590828

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 7 13 14 19 26 28 29 38 41 49 52 58 76 82 91 98 116 133 164 182 196 203 247 266 287 364 377 406 494 532 533 551 574 637 754 779 812 841 931 988 1066 1102 1148 1189 1274 1421 1508 1558 1681 1682 1729 1862 2009 2132 2204 2378 2548 2639 2842 3116 3362 3364 3458 3724 3731 3857 4018 4756 5278 5453 5684 5887 6724 6916 7163 7462 7714 8036 8323 10127 10556 10906 10933 11767 11774 12103 14326 14924 15428 15457 15979 16646 18473 20254 21812 21853 21866 22591 23534 23548 24206 24389 26117 26999 28652 30914 31939 31958 33292 34481 36946 38171 40508 41209 43706 43732 45182 47068 48412 48749 48778 50141 52234 53998 58261 61828 63878 63916 68921 68962 70889 73892 76342 76531 82369 82418 87412 90364 97498 97556 100282 104468 107996 108199 111853 116522 127756 137842 137924 141778 152684 152971 153062 158137 164738 164836 170723 194996 200564 207727 216398 223573 223706 233044 241367 275684 283556 293683 305942 306124 316274 317057 329476 341243 341446 350987 415207 415454 432796 447146 447412 448253 463391 482447 482734 496223 535717 587366 611884 632548 633737 634114 655139 682486 682892 701974 757393 782971 830414 830908 894292 895973 896506 926231 926782 964894 965468 992446 999949 1070797 1071434 1106959 1174732 1195061 1267474 1268228 1309499 1310278 1364972 1403948 1413721 1454089 1514786 1565011 1565942 1660828 1689569 1791946 1793012 1852462 1853564 1929788 1984892 1998709 1999898 2055781 2141594 2142868 2213918 2219399 2388701 2390122 2534948 2618998 2620556 2827442 2906449 2908178 3029572 3130022 3131884 3137771 3243737 3377129 3379138 3583892 3704924 3997418 3999796 4111562 4283188 4427836 4436159 4438798 4585973 4777402 4780244 5237996 5654884 5812898 5816356 6024083 6260044 6271811 6275542 6483617 6487474 6754258 6758276 6999643 7994836 8223124 8516807 8872318 8877596 9166493 9171946 9554804 9896047 10178623 11625796 12041003 12048166 12543622 12551084 12967234 12974948 12999337 13508516 13990963 13999286 14390467 15535793 17023487 17033614 17744636 18332986 18343892 18378373 18999031 19792094 20345143 20357246 21964397 22706159 24082006 24096332 25087244 25934468 25983217 25998674 26860699 27981926 27998572 28780934 31053113 31071586 32101811 34046974 34067228 36665972 36756746 37975471 37998062 39584188 40690286 40714492 40997909 42168581 43902677 43928794 45385319 45412318 48164012 48997501 51966434 51997348 53721398 55963852 57561868 57962561 59617649 62106226 62143172 64165451 64203622 68093948 69272329 73513492 75950942 75996124 81380572 81995818 84287021 84337162 87805354 87857588 90770638 90824636 90995359 97936741 97995002 103932868 107442796 115925122 119164409 119235298 124212452 128330902 128407244 128648611 132993217 138544658 151901884 163991636 168574042 168674324 175610708 181541276 181882519 181990718 188024893 195873482 195990004 231850244 238328818 238470596 246987403 256661804 257297222 265828297 265986434 277089316 286985363 295180067 337148084 349189087 363765038 363981436 376049786 391746964 405737927 417323543 476657636 493681123 493974806 514594444 531656594 531972868 532972817 573970726 590009147 590360134 636967513 698378174 727530076 752099572 753513293 778960271 811475854 834150863 834647086 900540277 930952519 987362246 987949612 1063313188 1065945634 1101288659 1147941452 1180018294 1180720268 1273177633 1273935026 1316174251 1396756348 1507026586 1557920542 1622951708 1668301726 1669294172 1680914269 1728911821 1801080554 1860798079 1861905038 1974724492 2008897541 2131891268 2202577318 2360036588 2444323609 2546355266 2547870052 2632348502 2840165489 3014053172 3115841084 3336603452 3361828538 3455767861 3457823642 3602161108 3721596158 3723810076 3730809719 4017795082 4405154636 4888647218 5092710532 5264697004 5274593051 5452721897 5680330978 6723657076 6911535722 6915647284 7443192316 7461619438 7709020613 8035590164 9777294436 10126483523 10549186102 10905443794 11360661956 11766399883 12102382747 13823071444 14316752567 14923238876 15418041226 17110265263 20252967046 21098372204 21810887588 21851885497 23532799766 24190375027 24204765494 26115668033 28633505134 30836082452 31937371111 34220530526 36922151357 38169053279 40505934092 43703770994 47065599532 48380750054 48409530988 52231336066 53963144291 57267010268 63874742222 68441061052 70885384661 73844302714 76338106558 82364799181 87407541988 96761500108 100217267969 104462672132 107926288582 127749484444 141770769322 147688605428 152676213116 152963198479 164729598362 200434535938 215852577164 223561597777 283541538644 305926396958 329459196724 400869071876 415185824443 447123195554 496197692627 611852793916 701520875783 830371648886 894246391108 992395385254 1070742389353 1403041751566 1564931184439 1660743297772 1984790770508 2141484778706 2806083503132 2906300771101 3129862368878 4282969557412 5812601542202 6259724737756 11625203084404 20344105397707 40688210795414 81376421590828
• Sum of all divisors σ(n): 199360702396800
• Sum of proper divisors (its aliquot sum) s(n): 117984280805972
• 81376421590828 is an abundant number, because the sum of its proper divisors (117984280805972) is greater than itself. Its abundance is 36607859215144

Bases of 81376421590828

• Binary: 10010100000001011101100101100111011011100101100₂
• Hexadecimal: 0x4A02ECB3B72C
• Base-36: SUFT8C6CS

Squares and roots of 81376421590828

• 81376421590828 squared (81376421590828²) is 6622121990928177482253725584
• 81376421590828 cubed (81376421590828³) is 538884590959664643214712447427059043343552
• The square root of 81376421590828 is 9020888.0710730471
• The cube root of 81376421590828 is 43334.4074878531

Scales and comparisons

• 81,376,421,590,828 seconds is equal to 2,587,518 years, 25 weeks, 4 days, 9 hours, 28 seconds.
• To count from 1 to 81,376,421,590,828 would take you about six million, four hundred sixty-eight thousand, seven hundred ninety-six 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 81376421590828 cubic inches would be around 3611.2 feet tall.

Recreational maths with 81376421590828

• 81376421590828 backwards is 82809512467318
• The number of decimal digits it has is: 14
• The sum of 81376421590828's digits is 64
• More coming soon!