21656445492240

Names of 21656445492240

• Cardinal: 21656445492240 can be written as Twenty-one trillion, six hundred fifty-six billion, four hundred forty-five million, four hundred ninety-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.165644549224 × 10¹³

Factors of 21656445492240

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1283

Divisors of 21656445492240

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 73 78 80 90 104 117 120 130 144 146 149 156 180 195 208 219 234 240 260 281 292 298 312 360 365 390 438 447 468 520 562 584 585 596 624 657 720 730 745 757 780 843 876 894 936 949 1040 1095 1124 1168 1170 1192 1314 1341 1405 1460 1490 1514 1560 1686 1752 1788 1872 1898 1937 2190 2235 2248 2271 2340 2384 2529 2628 2682 2810 2847 2920 2980 3028 3120 3285 3372 3504 3576 3653 3785 3796 3874 4215 4380 4470 4496 4542 4680 4745 5058 5256 5364 5620 5694 5811 5840 5960 6056 6570 6705 6744 6813 7152 7306 7570 7592 7748 8430 8541 8760 8940 9084 9360 9490 9685 9841 10116 10512 10728 10877 10959 11240 11355 11388 11622 11920 12112 12645 13140 13410 13488 13626 14235 14612 15140 15184 15496 16860 17082 17433 17520 17880 18168 18265 18980 19370 19682 20232 20513 21456 21754 21918 22480 22710 22776 23244 25290 26280 26820 27252 28470 29055 29224 29523 30280 30992 32631 32877 33720 34065 34164 34866 35760 36336 36530 37960 38740 39364 40464 41026 41869 42705 43508 43836 45420 45552 46488 49205 50580 52560 53640 54385 54504 54795 55261 56940 58110 58448 59046 60560 61539 65262 65754 67440 68130 68328 69732 73060 75920 77480 78728 82052 83738 85410 87016 87165 87672 88569 90840 92976 97893 98410 101160 102565 107280 108770 109008 109590 110522 112793 113880 116220 118092 123078 125607 130524 131508 136260 136656 139464 141401 146120 147615 154960 157456 163155 164104 164385 165783 167476 170820 174032 174330 175344 177138 181680 184617 195786 196820 202320 205130 209345 212717 217540 219180 221044 225586 227760 232440 236184 246156 251214 261048 263016 266669 272520 276305 278928 282802 292240 295230 307695 326310 328208 328770 331566 334952 338379 341640 348660 354276 369234 376821 391572 393640 410260 418690 424203 425434 435080 438360 442088 442845 451172 464880 472368 489465 492312 497349 502428 522096 526032 533338 544297 545040 552610 563965 565604 590460 615390 628035 638151 652620 657540 663132 669904 676758 683280 697320 707005 708552 718393 738468 753642 783144 787280 800007 820520 828915 837380 848406 850868 870160 876720 884176 885690 902344 923085 978930 984624 994698 1004856 1015137 1063585 1066676 1088594 1105220 1127930 1131208 1180920 1230780 1256070 1272609 1276302 1305240 1315080 1326264 1333345 1353516 1394640 1414010 1417104 1436786 1466309 1476936 1507284 1566288 1600014 1632891 1641040 1657830 1674760 1691895 1696812 1701736 1771380 1804688 1846170 1884105 1914453 1957860 1989396 2009712 2030274 2121015 2127170 2133352 2155179 2177188 2210440 2255860 2262416 2361840 2400021 2461560 2486745 2512140 2545218 2552604 2610480 2630160 2652528 2666690 2707032 2721485 2765321 2828020 2873572 2932618 2953872 3014568 3056437 3190755 3200028 3265782 3315660 3349520 3383790 3393624 3403472 3542760 3591965 3692340 3768210 3828906 3915720 3978792 4000035 4060548 4242030 4254340 4266704 4310358 4354376 4398927 4420880 4511720 4800042 4898673 4923120 4973490 5024280 5075685 5090436 5105208 5333380 5414064 5442970 5530642 5656040 5747144 5865236 6029136 6112874 6363045 6381510 6400056 6465537 6531564 6631320 6767580 6787248 7085520 7183930 7331545 7384680 7536420 7657812 7831440 7957584 8000070 8121096 8164455 8233889 8295963 8484060 8508680 8620716 8708752 8797854 9023440 9169311 9572265 9600084 9797346 9946980 10048560 10151370 10180872 10210416 10666760 10775895 10885940 11061284 11312080 11494288 11730472 12000105 12225748 12726090 12763020 12800112 12931074 13063128 13196781 13262640 13535160 13826605 14367860 14663090 14769360 15072840 15282185 15315624 15528341 16000140 16242192 16328910 16467778 16591926 16968120 17017360 17241432 17595708 18338622 19144530 19200168 19594692 19893960 20302740 20361744 21333520 21551790 21771880 21994635 22122568 23460944 24000210 24451496 24493365 24701667 24887889 25452180 25526040 25862148 26126256 26393562 27070320 27507933 27653210 28735720 29326180 30145680 30564370 30631248 31056682 31694833 32000280 32327685 32657820 32935556 33183852 33936240 34482864 35191416 36677244 38289060 38400336 39189384 39733681 39787920 40605480 41169445 41479815 43103580 43543760 43989270 44245136 45846555 46585023 48000420 48902992 48986730 49403334 49775778 50904360 51052080 51724296 52787124 55015866 55306420 57471440 58652360 61128740 62113364 63389666 64000560 64655370 65315640 65871112 65983905 66367704 70382832 73354488 74105001 76578120 77641705 78378768 79467362 81210960 82338890 82959630 86207160 87978540 91693110 93170046 95084499 96000840 97973460 98806668 99551556 101808720 103448592 105574248 107040557 110031732 110612840 117304720 119201043 122257480 123508335 124226728 124439445 126779332 129310740 130631280 131742224 131967810 132735408 137539665 139755069 146708976 148210002 153156240 155283410 158474165 158934724 164677780 165919260 172414320 175957080 183386220 186340092 190168998 192001680 195946920 197613336 198668405 199103112 201868433 211148496 214081114 220063464 221225680 232925115 238402086 244514960 247016670 248453456 248878890 253558664 258621480 263935620 275079330 279510138 285253497 296420004 310566820 316948330 317869448 321121671 329355560 331838520 351914160 357603129 366772440 370525005 372680184 380337996 391893840 395226672 397336810 398206224 403736866 412032829 428162228 440126928 465850230 475422495 476804172 494033340 497757780 507117328 517242960 527871240 535202785 550158660 559020276 570506994 592840008 596005215 605605299 621133640 633896660 635738896 642243342 658711120 663677040 698775345 715206258 733544880 741050010 745360368 760675992 794673620 807473732 824065658 856324456 931700460 950844990 953608344 963365013 988066680 995515560 1009342165 1055742480 1070405570 1100317320 1118040552 1141013988 1185680016 1192010430 1211210598 1236098487 1242267280 1267793320 1284486684 1397550690 1426267485 1430412516 1482100020 1521351984 1589347240 1605608355 1614947464 1648131316 1712648912 1788015645 1816815897 1863400920 1901689980 1907216688 1926730026 1976133360 1991031120 2018684330 2060164145 2140811140 2200634640 2236081104 2282027976 2313722809 2384020860 2422421196 2472196974 2535586640 2568973368 2795101380 2852534970 2860825032 2964200040 3028026495 3178694480 3211216710 3229894928 3296262632 3576031290 3633631794 3708295461 3726801840 3803379960 3853460052 4037368660 4120328290 4281622280 4564055952 4627445618 4768041720 4816825065 4844842392 4944393948 5137946736 5590202760 5705069940 5721650064 5928400080 6056052990 6180492435 6422433420 6592525264 6941168427 7152062580 7267263588 7416590922 7606759920 7706920104 8074737320 8240656580 8563244560 9084079485 9254891236 9536083440 9633650130 9689684784 9888787896 11180405520 11410139880 11568614045 12112105980 12360984870 12844866840 13882336854 14304125160 14534527176 14833181844 15413840208 16149474640 16481313160 18168158970 18509782472 18541477305 19267300260 19777575792 20823505281 22820279760 23137228090 24224211960 24721969740 25689733680 27764673708 28608250320 29069054352 29666363688 30078396517 32962626320 34705842135 36336317940 37019564944 37082954610 38534600520 41647010562 46274456180 48448423920 49443939480 55529347416 59332727376 60156793034 69411684270 72672635880 74165909220 77069201040 83294021124 90235189551 92548912360 98887878960 104117526405 111058694832 120313586068 138823368540 145345271760 148331818440 150391982585 166588042248 180470379102 185097824720 208235052810 240627172136 270705568653 277646737080 296663636880 300783965170 333176084496 360940758204 416470105620 451175947755 481254344272 541411137306 555293474160 601567930340 721881516408 832940211240 902351895510 1082822274612 1203135860680 1353527843265 1443763032816 1665880422480 1804703791020 2165644549224 2406271721360 2707055686530 3609407582040 4331289098448 5414111373060 7218815164080 10828222746120 21656445492240
• Sum of all divisors σ(n): 80320356043200
• Sum of proper divisors (its aliquot sum) s(n): 58663910550960
• 21656445492240 is an abundant number, because the sum of its proper divisors (58663910550960) is greater than itself. Its abundance is 37007465058720

Bases of 21656445492240

• Binary: 100111011001001001000101111011001110000010000₂
• Hexadecimal: 0x13B248BD9C10
• Base-36: 7OCU0HR80

Squares and roots of 21656445492240

• 21656445492240 squared (21656445492240²) is 469001631358362215900217600
• 21656445492240 cubed (21656445492240³) is 10156908265284009638561405097155111424000
• The square root of 21656445492240 is 4653648.6214840071
• The cube root of 21656445492240 is 27873.7708608511

Scales and comparisons

• 21,656,445,492,240 seconds is equal to 688,607 years, 50 weeks, 6 days, 7 hours, 24 minutes.
• To count from 1 to 21,656,445,492,240 would take you about one million, seven hundred twenty-one thousand, five hundred nineteen 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 21656445492240 cubic inches would be around 2322.8 feet tall.

Recreational maths with 21656445492240

• 21656445492240 backwards is 04229454465612
• The number of decimal digits it has is: 14
• The sum of 21656445492240's digits is 54
• More coming soon!