21432905648640

Names of 21432905648640

• Cardinal: 21432905648640 can be written as Twenty-one trillion, four hundred thirty-two billion, nine hundred five million, six hundred forty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.143290564864 × 10¹³

Factors of 21432905648640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 3369

Divisors of 21432905648640

• Number of divisors d(n): 800
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 47 48 54 60 64 72 80 81 90 94 96 108 120 128 135 141 144 160 162 180 188 192 216 235 240 256 270 282 288 320 324 360 376 384 405 423 432 470 480 512 540 564 576 640 648 705 720 752 768 810 846 864 919 940 960 1080 1128 1152 1269 1280 1296 1410 1440 1504 1536 1620 1692 1728 1838 1880 1920 2115 2160 2256 2304 2393 2538 2560 2592 2757 2820 2880 3008 3240 3384 3456 3676 3760 3807 3840 4230 4320 4512 4595 4608 4786 5076 5184 5514 5640 5760 6016 6345 6480 6768 6912 7179 7352 7520 7614 7680 8271 8460 8640 9024 9190 9572 10152 10368 11028 11280 11520 11965 12032 12690 12960 13536 13785 13824 14358 14704 15040 15228 16542 16920 17280 18048 18380 19035 19144 20304 20736 21537 22056 22560 23040 23930 24064 24813 25380 25920 27072 27570 28716 29408 30080 30456 33084 33840 34560 35895 36096 36760 38070 38288 40608 41355 41472 43074 43193 44112 45120 47860 49626 50760 51840 54144 55140 57432 58816 60160 60912 64611 66168 67680 69120 71790 72192 73520 74439 76140 76576 81216 82710 86148 86386 88224 90240 95720 99252 101520 103680 107685 108288 110280 112471 114864 117632 120320 121824 124065 129222 129579 132336 135360 143580 147040 148878 152280 153152 162432 165420 172296 172772 176448 180480 191440 193833 198504 203040 207360 215370 215965 216576 220560 224942 229728 235264 243648 248130 258444 259158 264672 270720 287160 294080 297756 304560 306304 323055 324864 330840 337413 344592 345544 352896 360960 372195 382880 387666 388737 397008 406080 430740 431930 441120 449884 459456 470528 487296 496260 516888 518316 529344 541440 562355 574320 588160 595512 609120 612608 646110 647895 649728 661680 674826 689184 691088 705792 744390 765760 775332 777474 794016 812160 861480 863860 882240 899768 918912 969165 974592 992520 1012239 1033776 1036632 1058688 1082880 1124710 1148640 1166211 1176320 1191024 1218240 1225216 1292220 1295790 1323360 1349652 1378368 1382176 1411584 1488780 1531520 1550664 1554948 1588032 1624320 1687065 1722960 1727720 1764480 1799536 1837824 1938330 1943685 1949184 1985040 2024478 2067552 2073264 2117376 2199167 2249420 2297280 2332422 2352640 2382048 2436480 2584440 2591580 2646720 2699304 2756736 2764352 2977560 3036717 3063040 3101328 3109896 3176064 3248640 3374130 3445920 3455440 3498633 3528960 3599072 3675648 3876660 3887370 3970080 4048956 4135104 4146528 4234752 4398334 4498840 4594560 4664844 4764096 4872960 5061195 5168880 5183160 5293440 5398608 5513472 5528704 5831055 5955120 6073434 6126080 6202656 6219792 6352128 6597501 6748260 6891840 6910880 6997266 7057920 7198144 7753320 7774740 7940160 8097912 8270208 8293056 8796668 8997680 9110151 9189120 9329688 9528192 9745920 10122390 10337760 10366320 10586880 10797216 10995835 11026944 11057408 11662110 11910240 12146868 12405312 12439584 12704256 13195002 13496520 13783680 13821760 13994532 14396288 15183585 15506640 15549480 15880320 16195824 16540416 16586112 17493165 17593336 17995360 18220302 18378240 18659376 19056384 19792503 20244780 20675520 20732640 21173760 21594432 21991670 22114816 23324220 23820480 24293736 24810624 24879168 26390004 26993040 27567360 27643520 27989064 28792576 30367170 31013280 31098960 31760640 32391648 32987505 33080832 33172224 34986330 35186672 35990720 36440604 37318752 38112768 39585006 40489560 41351040 41465280 43188864 43983340 45550755 46648440 47640960 48587472 49621248 49758336 52780008 53986080 55134720 55287040 55978128 57585152 59377509 60734340 62026560 62197920 63521280 64783296 65975010 66344448 69972660 70373344 71981440 72881208 74637504 79170012 80979120 82702080 82930560 86377728 87966680 91101510 93296880 95281920 97174944 98962515 99242496 99516672 103360849 105560016 107972160 110574080 111956256 118755018 121468680 124053120 124395840 129566592 131950020 139945320 140746688 143962880 145762416 149275008 158340024 161958240 165404160 165861120 172755456 175933360 178132527 182203020 186593760 190563840 194349888 197925030 199033344 206721698 211120032 215944320 223912512 237510036 242937360 248106240 248791680 259133184 263900040 279890640 281493376 287925760 291524832 296887545 298550016 310082547 316680048 323916480 331722240 351866720 356265054 364406040 373187520 388699776 395850060 413443396 422240064 431888640 447825024 475020072 485874720 496212480 497583360 516804245 518266368 527800080 559781280 562986752 583049664 593775090 597100032 620165094 633360096 647832960 703733440 712530108 728812080 746375040 777399552 791700120 826886792 844480128 863777280 890662635 895650048 930247641 950040144 971749440 995166720 1033608490 1055600160 1119562560 1125973504 1166099328 1187550180 1240330188 1266720192 1295665920 1407466880 1425060216 1457624160 1492750080 1550412735 1554799104 1583400240 1653773584 1688960256 1781325270 1791300096 1860495282 1900080288 1943498880 2067216980 2111200320 2239125120 2332198656 2375100360 2480660376 2533440384 2591331840 2790742923 2814933760 2850120432 2915248320 2985500160 3100825470 3166800480 3307547168 3377920512 3562650540 3720990564 3800160576 3886997760 4134433960 4222400640 4478250240 4651238205 4664397312 4750200720 4961320752 5066880768 5581485846 5629867520 5700240864 5830496640 6201650940 6333600960 6615094336 7125301080 7441981128 7600321152 7773995520 8268867920 8372228769 8444801280 8956500480 9302476410 9500401440 9922641504 10133761536 11162971692 11400481728 11660993280 12403301880 12667201920 13230188672 13953714615 14250602160 14883962256 15200642304 16537735840 16744457538 16889602560 18604952820 19000802880 19845283008 22325943384 22800963456 23321986560 24806603760 25334403840 26460377344 27907429230 28501204320 29767924512 30401284608 33075471680 33488915076 37209905640 38001605760 39690566016 41861143845 44651886768 45601926912 49613207520 50668807680 52920754688 55814858460 57002408640 59535849024 66150943360 66977830152 74419811280 76003211520 79381132032 83722287690 89303773536 91203853824 99226415040 111629716920 114004817280 119071698048 132301886720 133955660304 148839622560 152006423040 158762264064 167444575380 178607547072 198452830080 223259433840 228009634560 238143396096 264603773440 267911320608 297679245120 334889150760 357215094144 396905660160 446518867680 456019269120 476286792192 535822641216 595358490240 669778301520 714430188288 793811320320 893037735360 1071645282432 1190716980480 1339556603040 1428860376576 1786075470720 2143290564864 2381433960960 2679113206080 3572150941440 4286581129728 5358226412160 7144301882880 10716452824320 21432905648640
• Sum of all divisors σ(n): 78517319569920
• Sum of proper divisors (its aliquot sum) s(n): 57084413921280
• 21432905648640 is an abundant number, because the sum of its proper divisors (57084413921280) is greater than itself. Its abundance is 35651508272640

Bases of 21432905648640

• Binary: 100110111111000111100101110100100101000000000₂
• Hexadecimal: 0x137E3CBA4A00
• Base-36: 7LI52N400

Squares and roots of 21432905648640

• 21432905648640 squared (21432905648640²) is 459369444543504419133849600
• 21432905648640 cubed (21432905648640³) is 9845621962769095091074687188068204544000
• The square root of 21432905648640 is 4629568.6244659987
• The cube root of 21432905648640 is 27777.5337565873

Scales and comparisons

• 21,432,905,648,640 seconds is equal to 681,500 years, 5 weeks, 2 days, 14 hours, 24 minutes.
• To count from 1 to 21,432,905,648,640 would take you about one million, seven hundred three thousand, seven hundred fifty 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 21432905648640 cubic inches would be around 2314.8 feet tall.

Recreational maths with 21432905648640

• 21432905648640 backwards is 04684650923412
• 21432905648640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21432905648640's digits is 54
• More coming soon!