21378938631104088

Names of 21378938631104088

• Cardinal: 21378938631104088 can be written as Twenty-one quadrillion, three hundred seventy-eight trillion, nine hundred thirty-eight billion, six hundred thirty-one million, one hundred four thousand and eighty-eight.

Scientific notation

• Scientific notation: 2.1378938631104088 × 10¹⁶

Factors of 21378938631104088

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 929

Divisors of 21378938631104088

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 27 34 36 51 54 68 72 81 102 108 136 153 162 204 216 243 289 306 324 408 459 486 578 612 648 729 867 907 918 972 1156 1224 1377 1458 1734 1814 1836 1944 2312 2601 2721 2754 2916 3468 3628 3672 4131 4913 5202 5442 5508 5832 6936 7256 7803 8163 8262 9826 10404 10884 11016 12393 14739 15419 15606 16326 16524 19652 20808 21768 23409 24489 24786 29478 30838 31212 32652 33048 39304 44217 46257 46818 48978 49572 58956 61676 62424 65304 70227 73467 88434 92514 93636 97956 99144 117912 123352 132651 138771 140454 146934 176868 185028 187272 195912 210681 220401 262123 265302 277542 280908 293868 353736 370056 397953 416313 421362 440802 524246 530604 555084 561816 587736 661203 786369 795906 822649 832626 842724 881604 1048492 1061208 1110168 1193859 1248939 1322406 1572738 1591812 1645298 1665252 1685448 1763208 2096984 2359107 2387718 2467947 2497878 2644812 3145476 3183624 3290596 3330504 3581577 3746817 4456091 4718214 4775436 4935894 4995756 5289624 6290952 6581192 7077321 7163154 7403841 7493634 8912182 9436428 9550872 9871788 9991512 11240451 13368273 13985033 14154642 14326308 14807682 14987268 17824364 18872856 19743576 21231963 22211523 22480902 26736546 27970066 28309284 28652616 29615364 29974536 35648728 40104819 41955099 42463926 44423046 44961804 53473092 55940132 56618568 59230728 63695889 66634569 80209638 83910198 84927852 88846092 89923608 106946184 111880264 120314457 125865297 127391778 133269138 160419276 167820396 169855704 177692184 191087667 199903707 237745561 240628914 251730594 254783556 266538276 320838552 335640792 360943371 377595891 382175334 399807414 475491122 481257828 503461188 509567112 533076552 599711121 713236683 721886742 746142643 755191782 764350668 799614828 950982244 962515656 1006922376 1082830113 1132787673 1199422242 1426473366 1443773484 1492285286 1510383564 1528701336 1599229656 1901964488 2139710049 2165660226 2238427929 2265575346 2398844484 2852946732 2887546968 2984570572 3020767128 3248490339 3398363019 4041674537 4279420098 4331320452 4476855858 4531150692 4797688968 5705893464 5969141144 6419130147 6496980678 6715283787 6796726038 8083349074 8558840196 8662640904 8953711716 9062301384 10195089057 12125023611 12684424931 12838260294 12993961356 13430567574 13593452076 16166698148 17117680392 17907423432 19257390441 20145851361 20390178114 24250047222 25368849862 25676520588 25987922712 26861135148 27186904152 32333396296 36375070833 38053274793 38514780882 40291702722 40780356228 48500094444 50737699724 51353041176 53722270296 57772171323 60437554083 72750141666 76106549586 77029561764 80583405444 81560712456 97000188888 101475399448 109125212499 114159824379 115544342646 120875108166 145500283332 152213099172 154059123528 161166810888 173316513969 181312662249 215635223827 218250424998 228319648758 231088685292 241750216332 291000566664 304426198344 327375637497 342479473137 346633027938 362625324498 431270447654 436500849996 456639297516 462177370584 483500432664 543937986747 646905671481 654751274994 684958946274 693266055876 725250648996 862540895308 873001699992 913278595032 982126912491 1027438419411 1087875973494 1293811342962 1309502549988 1369917892548 1386532111752 1450501297992 1725081790616 1940717014443 1964253824982 2054876838822 2175751946988 2587622685924 2619005099976 2739835785096 2946380737473 3082315258233 3665798805059 3881434028886 3928507649964 4109753677644 4351503893976 5175245371848 5822151043329 5892761474946 6164630516466 7331597610118 7762868057772 7857015299928 8219507355288 9246945774699 10997396415177 11644302086658 11785522949892 12329261032932 14663195220236 15525736115544 17466453129987 18493891549398 21994792830354 23288604173316 23571045899784 24658522065864 29326390440472 32992189245531 34932906259974 36987783098796 43989585660708 46577208346632 52399359389961 65984378491062 69865812519948 73975566197592 87979171321416 98976567736593 104798718779922 131968756982124 139731625039896 157198078169883 197953135473186 209597437559844 263937513964248 296929703209779 314396156339766 395906270946372 419194875119688 593859406419558 628792312679532 791812541892744 890789109629337 1187718812839116 1257584625359064 1781578219258674 2375437625678232 2672367328888011 3563156438517348 5344734657776022 7126312877034696 10689469315552044 21378938631104088
• Sum of all divisors σ(n): 63926786631780000
• Sum of proper divisors (its aliquot sum) s(n): 42547848000675912
• 21378938631104088 is an abundant number, because the sum of its proper divisors (42547848000675912) is greater than itself. Its abundance is 21168909369571824

Bases of 21378938631104088

• Binary: 1001011111101000000100000001010110010000010011001011000₂
• Hexadecimal: 0x4BF4080AC82658
• Base-36: 5UI78TL4DI0

Squares and roots of 21378938631104088

• 21378938631104088 squared (21378938631104088²) is 457059016992514736089457890311744
• 21378938631104088 cubed (21378938631104088³) is 9771436675075733088180398036883583927469232809472
• The square root of 21378938631104088 is 146215384.3858575917
• 21378938631104088 is a perfect cube number. Its cube root is 277542

Scales and comparisons

• 21,378,938,631,104,088 seconds is equal to 679,784,119 years, 3 weeks, 4 days, 11 hours, 34 minutes, 48 seconds.
• To count from 1 to 21,378,938,631,104,088 would take you about two billion, thirty-nine million, three hundred fifty-two thousand, three hundred fifty-seven 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 21378938631104088 cubic inches would be around 23128.5 feet tall.

Recreational maths with 21378938631104088

• 21378938631104088 backwards is 88040113683987312
• 21378938631104088 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21378938631104088's digits is 72
• More coming soon!