21998747915802

Names of 21998747915802

• Cardinal: 21998747915802 can be written as Twenty-one trillion, nine hundred ninety-eight billion, seven hundred forty-seven million, nine hundred fifteen thousand, eight hundred two.

Scientific notation

• Scientific notation: 2.1998747915802 × 10¹³

Factors of 21998747915802

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 199

Divisors of 21998747915802

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 29 31 42 49 54 58 62 63 81 87 93 98 126 127 147 162 174 186 189 203 217 243 254 261 279 294 378 381 406 434 441 486 522 558 567 609 651 729 762 783 837 841 882 889 899 961 1134 1143 1218 1302 1323 1421 1458 1519 1566 1674 1682 1701 1778 1798 1827 1922 1953 2187 2286 2349 2511 2523 2646 2667 2697 2842 2883 3038 3402 3429 3654 3683 3906 3937 3969 4263 4374 4557 4698 5022 5046 5103 5334 5394 5481 5766 5859 5887 6223 6293 6727 6858 7047 7366 7533 7569 7874 7938 8001 8091 8526 8649 9114 10206 10287 10962 11049 11718 11774 11811 11907 12446 12586 12789 13454 13671 14094 15066 15138 15309 16002 16182 16443 17298 17577 17661 18669 18879 20181 20574 21141 22098 22599 22707 23622 23814 24003 24273 25578 25781 25947 26071 27342 27559 27869 30618 30861 32886 33147 35154 35322 35433 35721 37338 37758 38367 40362 41013 41209 42282 44051 45198 45414 47089 48006 48546 49329 51562 51894 52142 52731 52983 55118 55738 56007 56637 60543 61722 63423 66294 67797 68121 70866 71442 72009 72819 76734 77343 77841 78213 82026 82418 82677 83607 88102 92583 94178 98658 99441 105462 105966 106299 106807 107163 112014 113274 114173 115101 121086 122047 123039 123627 126846 132153 135594 136242 141267 144018 145638 147987 154686 155682 156426 158193 158949 165354 167214 168021 169911 180467 181629 182497 185166 192913 195083 198882 204363 212598 213614 214326 216027 218457 228346 230202 232029 233523 234639 244094 246078 247254 248031 250821 264306 277749 282534 295974 298323 316386 317898 318897 320421 336042 339822 342519 345303 360934 363258 364994 366141 369117 370881 385826 390166 396459 408726 423801 432054 436914 443961 464058 467046 469278 474579 476847 496062 501642 504063 509733 541401 544887 547491 555498 578739 585249 596646 613089 637794 640842 648081 655371 685038 690606 696087 700569 703917 732282 738234 741762 744093 747649 752463 792918 799211 808201 847602 854329 887922 894969 949158 953694 956691 961263 1008126 1019466 1027557 1035909 1082802 1089774 1094982 1098423 1107351 1112643 1157478 1170498 1189377 1226178 1271403 1277479 1296162 1310742 1365581 1392174 1401138 1407834 1430541 1488186 1495298 1504926 1512189 1529199 1598422 1616402 1624203 1634661 1642473 1708658 1736217 1755747 1789938 1839267 1913382 1922526 1944243 1966113 2055114 2071818 2088261 2101707 2111751 2196846 2214702 2225286 2232279 2242947 2257389 2378754 2397633 2424603 2542806 2554958 2562987 2684907 2731162 2861082 2870073 2883789 3024378 3058398 3082671 3107727 3248406 3269322 3284946 3295269 3311017 3322053 3337929 3472434 3511494 3539363 3568131 3678534 3814209 3832437 3888486 3932226 4096743 4176522 4203414 4223502 4291623 4464558 4485894 4514778 4536567 4587597 4795266 4849206 4872609 4903983 4927419 5125974 5208651 5233543 5267241 5369814 5594477 5657407 5740146 5767578 5980303 6165342 6215454 6264783 6335253 6590538 6622034 6644106 6675858 6696837 6728841 6772167 7078726 7136262 7192899 7273809 7628418 7664874 7688961 8054721 8193486 8583246 8610219 8651367 9073134 9175194 9248013 9745218 9807966 9854838 9885807 9933051 10013787 10417302 10467086 10534482 10618089 10704393 11188954 11314814 11442627 11497311 11960606 12290229 12529566 12670506 12874869 13393674 13457682 13544334 13609701 13762791 14385798 14547618 14617827 14711949 14782257 15377922 15625953 15700629 15801723 16109442 16783431 16972221 17220438 17302734 17940909 18496026 18794349 19005759 19771614 19866102 20027574 20090511 20186523 20316501 21236178 21408786 21578697 21821427 22885254 22994622 23066883 23177119 24580458 24775541 25749738 25954101 27219402 27525582 27744039 29235654 29423898 29564514 29657421 29799153 30041361 31251906 31401258 31603446 31854267 32113179 33566862 33944442 34327881 34491933 35881818 36870687 37588698 38011518 39601849 40181022 40373046 40633002 43157394 43642854 43853481 44346771 46133766 46354238 46877859 47101887 47405169 49551082 50350293 50916663 51908202 53822727 55488078 56383047 57017277 59314842 59598306 60082722 60271533 60559569 60949503 63708534 64226358 64736091 65464281 68655762 68983866 69200649 69531357 73741374 74326623 77862303 79203698 83232117 87706962 88693542 88972263 89397459 90124083 93755718 94203774 94810338 95562801 96339537 100700586 101833326 102641527 102983643 103475799 107645454 110612061 112766094 114034554 118805547 120543066 121119138 121899006 129472182 130928562 131560443 133040313 138401298 139062714 140633577 141305661 142215507 148653246 151050879 152749989 155724606 161468181 162239833 166464234 173428787 177944526 178794918 180248166 181678707 191125602 192679074 194208273 196392843 205283054 205967286 206951598 207601947 208594071 221224122 222979869 233586909 237611094 249696351 263120886 266080626 266916789 268192377 281267154 282611322 284431014 286688403 302101758 305499978 307924581 310427397 322936362 324479666 331836183 346857574 356416641 363357414 388416546 392785686 394681329 399120939 415203894 417188142 421900731 423916983 426646521 445959738 453152637 458249967 467173818 484404543 486719499 499392702 520286361 533833578 536384754 545036121 573376806 582624819 589178529 615849162 620854794 622805841 625782213 663672366 668939607 712833282 718490689 789362658 798241878 804577131 843801462 847833966 853293042 860065209 906305274 916499934 923773743 931282191 968809086 973438998 995508549 1040572722 1069249923 1090072242 1165249638 1178357058 1245611682 1251564426 1271750949 1337879214 1359457911 1374749901 1436981378 1453213629 1460158497 1560859083 1609154262 1635108363 1720130418 1747874457 1767535587 1847547486 1862564382 1868417523 1877346639 1991017098 2006818821 2138499846 2155472067 2413731393 2543501898 2580195627 2718915822 2749499802 2771321229 2793846573 2906427258 2920316994 2986525647 3121718166 3207749769 3270216726 3495748914 3535071174 3736835046 3754693278 3815252847 4013637642 4078373733 4124249703 4310944134 4359640887 4380475491 4682577249 4827462786 5029434823 5160391254 5542642458 5587693146 5632039917 5973051294 6020456463 6415499538 6466416201 7241194179 7630505694 7740586881 8156747466 8248499406 8313963687 8719281774 8760950982 9365154498 9623249307 10058869646 11264079834 11445758541 12040912926 12235121199 12372749109 12932832402 13078922661 13141426473 14047731747 14482388358 15088304469 15481173762 16627927374 16896119751 18061369389 19246498614 19399248603 22891517082 24470242398 24745498218 24941891061 26157845322 26282852946 28095463494 28869747921 30176608938 33792239502 36122738778 38798497206 39424279419 42143195241 45264913407 49883782122 50688359253 54184108167 57739495842 58197745809 74825673183 78848558838 84286390482 86609243763 90529826814 101376718506 108368216334 116395491618 118272838257 126429585723 135794740221 149651346366 173218487526 174593237427 224477019549 236545676514 252859171446 271589480442 349186474854 354818514771 379288757169 407384220663 448954039098 523779712281 709637029542 758577514338 814768441326 1047559424562 1222152661989 1571339136843 2444305323978 3142678273686 3666457985967 7332915971934 10999373957901 21998747915802
• Sum of all divisors σ(n): 62093669713920
• Sum of proper divisors (its aliquot sum) s(n): 40094921798118
• 21998747915802 is an abundant number, because the sum of its proper divisors (40094921798118) is greater than itself. Its abundance is 18096173882316

Bases of 21998747915802

• Binary: 101000000000111111011100011100001011000011010₂
• Hexadecimal: 0x1401FB8E161A
• Base-36: 7SQ32INMI

Squares and roots of 21998747915802

• 21998747915802 squared (21998747915802²) is 483944909863002838881303204
• 21998747915802 cubed (21998747915802³) is 10646182077211720455189278068260624829608
• The square root of 21998747915802 is 4690282.2853003209
• The cube root of 21998747915802 is 28019.8617223527

Scales and comparisons

• 21,998,747,915,802 seconds is equal to 699,492 years, 7 weeks, 21 hours, 56 minutes, 42 seconds.
• To count from 1 to 21,998,747,915,802 would take you about one million, seven hundred forty-eight thousand, seven hundred thirty 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 21998747915802 cubic inches would be around 2335 feet tall.

Recreational maths with 21998747915802

• 21998747915802 backwards is 20851974789912
• The number of decimal digits it has is: 14
• The sum of 21998747915802's digits is 72
• More coming soon!