21388553790240

Names of 21388553790240

• Cardinal: 21388553790240 can be written as Twenty-one trillion, three hundred eighty-eight billion, five hundred fifty-three million, seven hundred ninety thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.138855379024 × 10¹³

Factors of 21388553790240

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1137

Divisors of 21388553790240

• Number of divisors d(n): 1536
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 43 48 49 52 56 60 65 70 78 80 84 86 91 96 98 104 105 112 120 129 130 140 147 156 160 168 172 182 195 196 208 210 215 224 240 245 258 260 273 280 294 301 307 312 336 343 344 364 390 392 416 420 430 455 480 490 516 520 546 559 560 588 602 614 624 637 645 672 686 688 728 735 757 780 784 840 860 903 910 921 980 1029 1032 1040 1092 1118 1120 1176 1204 1228 1248 1274 1290 1365 1372 1376 1456 1470 1505 1514 1535 1560 1568 1677 1680 1715 1720 1806 1820 1842 1911 1960 2058 2064 2080 2107 2149 2184 2236 2271 2352 2408 2456 2548 2580 2730 2744 2795 2912 2940 3010 3028 3070 3120 3185 3354 3360 3430 3440 3612 3640 3684 3785 3822 3913 3920 3991 4116 4128 4214 4298 4368 4459 4472 4515 4542 4605 4704 4816 4912 5096 5145 5160 5299 5460 5488 5590 5880 6020 6056 6140 6240 6321 6370 6447 6708 6860 6880 7224 7280 7368 7570 7644 7826 7840 7982 8232 8385 8428 8596 8736 8918 8944 9030 9084 9210 9555 9632 9824 9841 10192 10290 10320 10535 10598 10745 10920 10976 11180 11355 11739 11760 11973 12040 12112 12280 12642 12740 12894 13201 13377 13416 13720 14448 14560 14736 14749 15043 15140 15288 15652 15897 15964 16464 16770 16856 17192 17836 17888 18060 18168 18420 19110 19565 19682 19955 20384 20580 20640 21070 21196 21490 21840 22295 22360 22710 23478 23520 23946 24080 24224 24560 25284 25480 25788 26402 26495 26754 26832 27391 27440 27937 28896 29472 29498 29523 30086 30280 30576 31304 31605 31794 31928 32235 32551 32928 33540 33712 34384 35672 36120 36336 36840 37093 38220 39130 39364 39603 39910 41160 42140 42392 42980 43680 44247 44590 44720 45129 45420 46956 47892 48160 49120 49205 50568 50960 51576 52804 52990 53508 53664 54782 54880 55874 58695 58996 59046 59865 60172 60560 61152 62608 63210 63588 63856 64470 65102 66005 66885 67080 67424 68768 68887 71344 72240 72672 73680 73745 74186 75215 76440 78260 78728 79206 79485 79820 82173 82320 83811 84280 84784 85960 88494 89180 89440 90258 90840 92407 93912 95784 97653 98410 101136 101920 103152 105301 105608 105980 107016 109564 111279 111748 117390 117992 118092 119730 120344 121120 125216 126420 127176 127712 128940 130204 132010 133770 134160 136955 137774 139685 142688 144480 147360 147490 147615 148372 150430 152880 156520 157456 158412 158970 159640 162755 164346 164640 167622 168560 169568 171613 171920 176988 178360 180516 181680 184814 185465 187824 191568 191737 195306 195559 196820 198015 202272 206304 206661 210602 211216 211960 214032 219128 221235 222558 223496 225645 227857 232399 234780 235984 236184 239460 240688 252840 254352 257880 259651 260408 264020 267540 268320 273910 275548 277221 279370 294980 295230 296744 300860 305760 313040 314912 315903 316824 317940 319280 325510 328692 335244 337120 343226 343840 344435 353976 356720 361032 363360 369628 370930 375648 383136 383474 390612 391118 393640 396030 410865 413322 419055 421204 422432 423163 423920 428064 438256 442470 445116 446992 451290 455714 462035 464798 469560 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672722960 676745888 683253060 699520990 706359108 710913840 724470880 725084880 725724545 740190815 765599520 779466246 780860640 797128570 799452560 807267552 810111120 829399480 839425188 845932360 870869454 882948885 888228978 893199440 909377287 911004080 941812144 956554284 959343072 979329386 995279376 1009084440 1015118832 1036267141 1039288328 1049281485 1071839328 1086706320 1093204896 1119233584 1161159272 1177265180 1184305304 1195692855 1199178840 1244099220 1268898540 1275405712 1299110410 1339799160 1345445920 1366506120 1399041980 1412718216 1421827680 1450169760 1451449090 1468994079 1480381630 1558932492 1594257140 1598905120 1620222240 1658798960 1678850376 1691864720 1741738908 1765897770 1776457956 1786398880 1818754574 1822008160 1883624288 1913108568 1948665615 1958658772 1990558752 2018168880 2030237664 2072534282 2078576656 2098562970 2173412640 2177173635 2220572445 2238467168 2322318544 2354530360 2368610608 2391385710 2398357680 2448323465 2488198440 2537797080 2550811424 2598220820 2679598320 2728131861 2733012240 2798083960 2825436432 2902898180 2937988158 2960763260 3108801423 3117864984 3188514280 3317597920 3357700752 3383729440 3427652851 3483477816 3531795540 3552915912 3637509148 3826217136 3897331230 3917317544 4036337760 4145068564 4157153312 4197125940 4354347270 4441144890 4546886435 4644637088 4709060720 4737221216 4782771420 4796715360 4896646930 4976396880 5075594160 5181335705 5196441640 5359196640 5456263722 5466024480 5596167920 5650872864 5805796360 5875976316 5921526520 6217602846 6235729968 6365641009 6377028560 6715401504 6855305702 6966955632 7063591080 7105831824 7275018296 7344970395 7652434272 7794662460 7834635088 8290137128 8394251880 8708694540 8882289780 9093772870 9418121440 9565542840 9793293860 9952793760 10151188320 10282958553 10362671410 10392883280 10912527444 11192335840 11611592720 11751952632 11843053040 12435205692 12471459936 12731282018 12754057120 13640659305 13710611404 13933911264 14127182160 14211663648 14550036592 14689940790 15544007115 15589324920 15669270176 16580274256 16788503760 17138264255 17417389080 17764579560 18187545740 19096923027 19131085680 19586587720 20565917106 20725342820 20785766560 21825054888 23223185440 23503905264 23686106080 24870411384 25462564036 27281318610 27421222808 28254364320 29100073184 29379881580 31088014230 31178649840 31828205045 33160548512 33577007520 34276528510 34834778160 35529159120 36375091480 38193846054 38262171360 39173175440 41131834212 41450685640 43650109776 44559487063 47007810528 49740822768 50925128072 51414792765 54562637220 54842445616 58759763160 62176028460 62357299680 63656410090 68553057020 69669556320 71058318240 72750182960 76387692108 78346350880 82263668424 82901371280 87300219552 89118974126 95484615135 99481645536 101850256144 102829585530 109125274440 109684891232 117519526320 124352056920 127312820180 133678461189 137106114040 145500365920 152775384216 164527336848 165802742560 178237948252 190969230270 203700512288 205659171060 218250548880 222797435315 235039052640 248704113840 254625640360 267356922378 274212228080 305550768432 329054673696 356475896504 381938460540 411318342120 436501097760 445594870630 497408227680 509251280720 534713844756 548424456160 611101536864 668392305945 712951793008 763876921080 822636684240 891189741260 1018502561440 1069427689512 1336784611890 1425903586016 1527753842160 1645273368480 1782379482520 2138855379024 2673569223780 3055507684320 3564758965040 4277710758048 5347138447560 7129517930080 10694276895120 21388553790240
• Sum of all divisors σ(n): 86978600755200
• Sum of proper divisors (its aliquot sum) s(n): 65590046964960
• 21388553790240 is an abundant number, because the sum of its proper divisors (65590046964960) is greater than itself. Its abundance is 44201493174720

Bases of 21388553790240

• Binary: 100110111001111101001001001101010001100100000₂
• Hexadecimal: 0x1373E926A320
• Base-36: 7KXRKOV1C

Squares and roots of 21388553790240

• 21388553790240 squared (21388553790240²) is 457470233237989869919257600
• 21388553790240 cubed (21388553790240³) is 9784626691044385060220261703246925824000
• The square root of 21388553790240 is 4624776.0800107933
• The cube root of 21388553790240 is 27758.3601855211

Scales and comparisons

• 21,388,553,790,240 seconds is equal to 680,089 years, 44 weeks, 1 day, 21 hours, 44 minutes.
• To count from 1 to 21,388,553,790,240 would take you about one million, seven hundred thousand, two hundred twenty-four 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 21388553790240 cubic inches would be around 2313.2 feet tall.

Recreational maths with 21388553790240

• 21388553790240 backwards is 04209735588312
• The number of decimal digits it has is: 14
• The sum of 21388553790240's digits is 57
• More coming soon!