21329724942929920

Names of 21329724942929920

• Cardinal: 21329724942929920 can be written as Twenty-one quadrillion, three hundred twenty-nine trillion, seven hundred twenty-four billion, nine hundred forty-two million, nine hundred twenty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.132972494292992 × 10¹⁶

Factors of 21329724942929920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 141408

Divisors of 21329724942929920

• Number of divisors d(n): 832
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 31 32 40 44 53 55 62 64 80 88 106 110 124 128 155 160 176 212 220 248 256 265 310 320 341 352 409 424 440 496 512 530 583 620 640 682 704 818 848 880 992 1024 1060 1166 1240 1280 1364 1408 1636 1643 1696 1705 1760 1984 2045 2048 2120 2332 2480 2560 2728 2816 2915 3272 3286 3392 3410 3520 3968 4090 4096 4240 4499 4664 4960 5120 5456 5632 5830 6544 6572 6784 6820 7040 7936 8180 8215 8480 8998 9328 9920 10240 10912 11264 11660 12679 13088 13144 13568 13640 14080 15872 16360 16430 16960 17996 18073 18656 19840 20480 21677 21824 22495 22528 23320 25358 26176 26288 27136 27280 28160 31744 32720 32860 33920 35992 36146 37312 39680 43354 43648 44990 45056 46640 50716 52352 52576 54272 54560 56320 63395 63488 65440 65720 67840 71984 72292 74624 79360 86708 87296 89980 90365 93280 101432 104704 105152 108385 108544 109120 112640 126790 126976 130880 131440 135680 139469 140897 143968 144584 149248 158720 173416 174592 179960 180730 186560 202864 209408 210304 216770 217088 218240 225280 238447 253580 261760 262880 271360 278938 281794 287936 289168 298496 317440 346832 349184 359920 361460 373120 405728 418816 420608 433540 436480 476894 507160 523520 525760 542720 557876 563588 575872 578336 596992 634880 671987 693664 697345 698368 704485 719840 722920 746240 811456 837632 841216 867080 872960 953788 1014320 1047040 1051520 1085440 1115752 1127176 1151744 1156672 1192235 1193984 1343974 1387328 1394690 1396736 1408970 1439680 1445840 1492480 1549867 1622912 1675264 1682432 1734160 1745920 1907576 2028640 2094080 2103040 2231504 2254352 2303488 2313344 2384470 2387968 2687948 2774656 2789380 2817940 2879360 2891680 2984960 3099734 3245824 3359935 3364864 3468320 3491840 3815152 4057280 4188160 4206080 4367807 4463008 4508704 4606976 4626688 4768940 5375896 5549312 5578760 5635880 5758720 5783360 5969920 6199468 6491648 6719870 6729728 6936640 6983680 7391857 7467541 7630304 7749335 8114560 8376320 8412160 8735614 8926016 9017408 9213952 9253376 9537880 10751792 11098624 11157520 11271760 11517440 11566720 11939840 12398936 12983296 13439740 13873280 14783714 14935082 15260608 15498670 16229120 16824320 17471228 17852032 18034816 18427904 18506752 19075760 21503584 21839035 22197248 22315040 22543520 23034880 23133440 24797872 25966592 26879480 27746560 29567428 29870164 30521216 30997340 32458240 33648640 34942456 35704064 36069632 36959285 37013504 37337705 38151520 43007168 43678070 44394496 44630080 45087040 46069760 46266880 48045877 49595744 51933184 53758960 55493120 57626873 59134856 59740328 61042432 61994680 64916480 69884912 71408128 72139264 73918570 74027008 74675410 76303040 82142951 86014336 87356140 88788992 89260160 90174080 92139520 92533760 96091754 99191488 107517920 110986240 115253746 118269712 119480656 122084864 123989360 129832960 139769824 142816256 144278528 147837140 149350820 152606080 164285902 172028672 174712280 178520320 180348160 185067520 192183508 198382976 215035840 221972480 230507492 231493771 236539424 238961312 240229385 244169728 247978720 259665920 279539648 285632512 288134365 288557056 295674280 298701640 305212160 328571804 344057344 349424560 357040640 360696320 370135040 384367016 396765952 410714755 430071680 443944960 461014984 462987542 473078848 477922624 480458770 488339456 495957440 559079296 571265024 576268730 577114112 591348560 597403280 610424320 633895603 657143608 688114688 698849120 714081280 721392640 768734032 793531904 821429510 860143360 922029968 925975084 946157696 955845248 960917540 976678912 991914880 1118158592 1152537460 1157468855 1182697120 1194806560 1220848640 1267791206 1314287216 1376229376 1397698240 1428162560 1442785280 1537468064 1587063808 1642859020 1720286720 1786433063 1844059936 1851950168 1892315392 1911690496 1921835080 1983829760 2236317184 2305074920 2314937710 2365394240 2389613120 2441697280 2535582412 2546431481 2628574432 2752458752 2795396480 2856325120 2885570560 3054224269 3074936128 3169478015 3174127616 3285718040 3440573440 3572866126 3688119872 3703900336 3784630784 3823380992 3843670160 3967659520 4472634368 4610149840 4629875420 4730788480 4779226240 4883394560 5071164824 5092862962 5257148864 5590792960 6108448538 6149872256 6338956030 6348255232 6571436080 6881146880 7145732252 7376239744 7407800672 7569261568 7646761984 7687340320 7935319040 8932165315 8945268736 9220299680 9259750840 9461576960 9558452480 10142329648 10185725924 10514297728 11181585920 12216897076 12299744512 12677912060 12732157405 13142872160 13762293760 14291464504 14752479488 14815601344 15138523136 15271121345 15293523968 15374680640 15870638080 17864330630 17890537472 18440599360 18519501680 18923153920 19116904960 19650763693 20284659296 20371451848 21028595456 22363171840 24433794152 24599489024 25355824120 25464314810 26285744320 28582929008 29504958976 29631202688 30277046272 30542242690 30587047936 30749361280 31741276160 33596466959 35728661260 36881198720 37039003360 37846307840 38233809920 39301527386 40569318592 40742903696 42057190912 44726343680 48867588304 49198978048 50711648240 50928629620 52571488640 57165858016 59009917952 59262405376 61084485380 61498722560 67192933918 71457322520 73762397440 74078006720 75692615680 76467619840 78603054772 81138637184 81485807392 84114381824 89452687360 94680952339 97735176608 98253818465 98397956096 101423296480 101857259240 105142977280 114331716032 118019835904 118524810752 122168970760 122997445120 134385867836 142914645040 147524794880 148156013440 151385231360 152935239680 157206109544 162277274368 162971614784 167982334795 168228763648 189361904678 195470353216 196507636930 196795912192 202846592960 203714518480 210285954560 228663432064 236039671808 237049621504 244337941520 245994890240 268771735672 285829290080 295049589760 296312026880 314412219088 324554548736 325943229568 335964669590 336457527296 378723809356 390940706432 393015273860 405693185920 407429036960 420571909120 457326864128 473404761695 474099243008 488675883040 491989780480 537543471344 571658580160 590099179520 592624053760 628824438176 649109097472 651886459136 671929339180 757447618712 781881412864 786030547720 811386371840 814858073920 841143818240 914653728256 946809523390 948198486016 977351766080 983979560960 1041490475729 1075086942688 1143317160320 1180198359040 1185248107520 1257648876352 1298218194944 1303772918272 1343858678360 1514895237424 1563762825728 1572061095440 1622772743680 1629716147840 1682287636480 1829307456512 1893619046780 1954703532160 2082980951458 2150173885376 2286634320640 2370496215040 2515297752704 2596436389888 2607545836544 2687717356720 3029790474848 3127525651456 3144122190880 3245545487360 3259432295680 3658614913024 3787238093560 3909407064320 4165961902916 4300347770752 4573268641280 4740992430080 5030595505408 5207452378645 5215091673088 5375434713440 6059580949696 6255051302912 6288244381760 6491090974720 6518864591360 7317229826048 7574476187120 7818814128640 8331923805832 8600695541504 9146537282560 10061191010816 10414904757290 10430183346176 10750869426880 12119161899392 12510102605824 12576488763520 12982181949440 13037729182720 15148952374240 15637628257280 16663847611664 17201391083008 18293074565120 20122382021632 20829809514580 21501738853760 24238323798784 25152977527040 26075458365440 30297904748480 31275256514560 33327695223328 34402782166016 36586149130240 40244764043264 41659619029160 43003477707520 48476647597568 50305955054080 52150916730880 60595809496960 62550513029120 66655390446656 68805564332032 80489528086528 83319238058320 86006955415040 96953295195136 100611910108160 121191618993920 133310780893312 137611128664064 166638476116640 172013910830080 193906590390272 201223820216320 242383237987840 266621561786624 333276952233280 344027821660160 387813180780544 402447640432640 484766475975680 533243123573248 666553904466560 688055643320320 969532951951360 1066486247146496 1333107808933120 1939065903902720 2132972494292992 2666215617866240 4265944988585984 5332431235732480 10664862471464960 21329724942929920
• Sum of all divisors σ(n): 58871058666670080
• Sum of proper divisors (its aliquot sum) s(n): 37541333723740160
• 21329724942929920 is an abundant number, because the sum of its proper divisors (37541333723740160) is greater than itself. Its abundance is 16211608780810240

Bases of 21329724942929920

• Binary: 1001011110001110100010110010110011000010101000000000000₂
• Hexadecimal: 0x4BC74596615000
• Base-36: 5U0R8D5UBR4

Squares and roots of 21329724942929920

• 21329724942929920 squared (21329724942929920²) is 454957166141046779000994031206400
• 21329724942929920 cubed (21329724942929920³) is 9704111214603397139984146450944880799528255488000
• The square root of 21329724942929920 is 146046995.6655388375
• The cube root of 21329724942929920 is 277328.8718699875

Scales and comparisons

• 21,329,724,942,929,920 seconds is equal to 678,219,276 years, 5 days, 2 hours, 18 minutes, 40 seconds.
• To count from 1 to 21,329,724,942,929,920 would take you about two billion, thirty-four million, six hundred fifty-seven thousand, eight hundred twenty-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 21329724942929920 cubic inches would be around 23110.7 feet tall.

Recreational maths with 21329724942929920

• 21329724942929920 backwards is 02992924942792312
• The number of decimal digits it has is: 17
• The sum of 21329724942929920's digits is 76
• More coming soon!