21036991107924

Names of 21036991107924

• Cardinal: 21036991107924 can be written as Twenty-one trillion, thirty-six billion, nine hundred ninety-one million, one hundred seven thousand, nine hundred twenty-four.

Scientific notation

• Scientific notation: 2.1036991107924 × 10¹³

Factors of 21036991107924

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1059

Divisors of 21036991107924

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 9 11 12 17 18 22 27 33 34 36 44 51 54 66 68 81 99 102 107 108 121 132 153 162 187 198 204 214 242 243 297 306 321 324 363 374 396 428 459 484 486 561 594 612 642 726 748 891 918 919 963 972 1089 1122 1177 1188 1284 1377 1452 1683 1782 1819 1836 1838 1926 2057 2178 2244 2354 2673 2754 2757 2889 3267 3366 3531 3564 3638 3676 3852 4114 4131 4356 4708 5049 5346 5457 5508 5514 5778 6171 6534 6732 7062 7276 8228 8262 8271 8667 9801 10098 10109 10593 10692 10914 11028 11449 11556 12342 12947 13068 14124 15147 15623 16371 16524 16542 17334 18513 19602 20009 20196 20218 21186 21828 22898 24684 24813 25894 26001 29403 30294 30327 31246 31779 32742 33084 34347 34668 37026 38841 39204 40018 40436 42372 45441 45796 46869 49113 49626 51788 52002 55539 58806 60027 60588 60654 62492 63558 65484 68694 74052 74439 77682 80036 90882 90981 93738 95337 98226 98333 99252 103041 104004 111078 111199 116523 117612 120054 121308 125939 127116 137388 140607 147339 148878 155364 166617 171853 180081 181764 181962 187476 190674 194633 196452 196666 206082 220099 222156 222398 223317 233046 240108 251878 272943 281214 286011 294678 294999 297756 309123 333234 333597 343706 349569 360162 363924 377817 381348 389266 393332 412164 421821 440198 442017 444796 446634 466092 499851 503756 515559 540243 545886 562428 572022 583899 589356 589998 618246 660297 666468 667194 687412 699138 720324 755634 778532 818829 843642 880396 884034 884997 893268 927369 999702 1000791 1031118 1048707 1080486 1081663 1091772 1133451 1144044 1167798 1179996 1236492 1265463 1320594 1334388 1385329 1398276 1511268 1546677 1620729 1637658 1671661 1687284 1751697 1768068 1769994 1854738 1890383 1980891 1999404 2001582 2062236 2097414 2140963 2160972 2163326 2266902 2335596 2456487 2530926 2641188 2654991 2770658 2782107 3002373 3093354 3146121 3241458 3244989 3275316 3343322 3400353 3503394 3539988 3709476 3780766 3796389 3961782 4003164 4155987 4194828 4281926 4326652 4533804 4640031 4862187 4912974 5014983 5061852 5255091 5309982 5541316 5564214 5671149 5942673 6004746 6186708 6292242 6422889 6482916 6489978 6686644 6800706 7006788 7561532 7592778 7923564 7964973 8311974 8563852 9007119 9280062 9724374 9734967 9825948 10029966 10201059 10510182 10521631 10619964 11128428 11342298 11885346 11898293 12009492 12467961 12584484 12845778 12979956 13601412 13920093 15044949 15185556 15765273 15929946 16623948 17013447 17828019 18014238 18388271 18560124 19268667 19448748 19469934 20059932 20402118 21020364 21043262 22684596 23550593 23770692 23796586 23894919 24935922 25691556 27021357 27840186 29204901 30089898 30603177 31530546 31564893 31859892 34026894 35656038 35694879 36028476 36776542 37403883 38537334 38939868 40804236 41760279 42086524 45134847 47101186 47295819 47593172 47789838 49871844 51040341 53484057 54042714 55164813 55680372 57806001 58409802 60179796 61206354 63061092 63129786 68053788 70651779 71312076 71389758 73553084 74807766 77074668 83520558 87614703 90269694 94202372 94591638 94694679 95579676 102080682 106968114 107084637 108085428 110329626 112211649 115612002 115737941 116819604 122412708 126259572 135404541 141303558 142779516 149615532 153121023 165494439 167041116 173418003 175229406 178867727 180539388 189183276 189389358 202270981 204161364 211955337 213936228 214169274 220659252 224423298 231224004 231475882 262844109 270809082 282607116 284084037 306242046 321253911 330988878 336634947 346836006 347213823 350458812 357735454 378778716 404541962 406213623 423910674 428338548 448846596 459363069 462951764 496483317 520254009 525688218 536603181 541618164 568168074 606812943 612484092 635866011 642507822 661977756 673269894 693672012 694427646 715470908 809083924 812427246 847821348 852252111 918726138 963761733 992966634 1040508018 1041641469 1051376436 1073206362 1136336148 1213625886 1271732022 1273117351 1285015644 1346539788 1388855292 1489449951 1609809543 1624854492 1704504222 1820438829 1837452276 1907598033 1927523466 1967544997 1985933268 2081016036 2083282938 2146412724 2427251772 2543464044 2546234702 2556756333 2891285199 2978899902 3124924407 3219619086 3409008444 3640877658 3815196066 3819352053 3855046932 3935089994 4166565876 4468349853 4829428629 5092469404 5113512666 5461316487 5722794099 5782570398 5902634991 5957799804 6249848814 6439238172 7281755316 7630392132 7638704106 7870179988 8936699706 9374773221 9658857258 10227025332 10922632974 11445588198 11458056159 11565140796 11805269982 12499697628 14488285887 15277408212 16383949461 17707904973 17873399412 18749546442 19317714516 21642994967 21845265948 22891176396 22916112318 23610539964 28124319663 28976571774 32767898922 34374168477 35415809946 37499092884 43285989934 43464857661 45832224636 49151848383 53123714919 56248639326 57953143548 64928984901 65535797844 68748336954 70831619892 86571979868 86929715322 98303696766 103122505431 106247429838 112497278652 129857969802 137496673908 159371144757 173859430644 194786954703 196607393532 206245010862 212494859676 259715939604 309367516293 318742289514 389573909406 412490021724 478113434271 584360864109 618735032586 637484579028 779147818812 956226868542 1168721728218 1237470065172 1753082592327 1912453737084 2337443456436 3506165184654 5259247776981 7012330369308 10518495553962 21036991107924
• Sum of all divisors σ(n): 64856948345280
• Sum of proper divisors (its aliquot sum) s(n): 43819957237356
• 21036991107924 is an abundant number, because the sum of its proper divisors (43819957237356) is greater than itself. Its abundance is 22782966129432

Bases of 21036991107924

• Binary: 100110010001000001110011000011101001101010100₂
• Hexadecimal: 0x13220E61D354
• Base-36: 7GG9DCH90

Squares and roots of 21036991107924

• 21036991107924 squared (21036991107924²) is 442554994874873445015589776
• 21036991107924 cubed (21036991107924³) is 9310025491950064055807798657266526985024
• The square root of 21036991107924 is 4586609.9799224263
• The cube root of 21036991107924 is 27605.4315729359

Scales and comparisons

• 21,036,991,107,924 seconds is equal to 668,911 years, 12 weeks, 5 days, 9 hours, 5 minutes, 24 seconds.
• To count from 1 to 21,036,991,107,924 would take you about one million, six hundred seventy-two thousand, two hundred seventy-eight 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 21036991107924 cubic inches would be around 2300.5 feet tall.

Recreational maths with 21036991107924

• 21036991107924 backwards is 42970119963012
• 21036991107924 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21036991107924's digits is 54
• More coming soon!