21243552753491200

Names of 21243552753491200

• Cardinal: 21243552753491200 can be written as Twenty-one quadrillion, two hundred forty-three trillion, five hundred fifty-two billion, seven hundred fifty-three million, four hundred ninety-one thousand, two hundred.

Scientific notation

• Scientific notation: 2.12435527534912 × 10¹⁶

Factors of 21243552753491200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 22707379

Divisors of 21243552753491200

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 97 100 110 128 137 160 176 194 200 220 256 274 275 320 352 388 400 440 485 548 550 640 685 704 776 800 880 970 1067 1096 1100 1280 1370 1408 1507 1552 1600 1760 1940 2134 2192 2200 2425 2740 2816 3014 3104 3200 3425 3520 3880 4268 4384 4400 4850 5335 5480 6028 6208 6400 6850 7040 7535 7760 8536 8768 8800 9700 10670 10960 12056 12416 13289 13700 14080 15070 15520 17072 17536 17600 19400 21340 21920 24112 24832 26578 26675 27400 30140 31040 34144 35072 35200 37675 38800 42680 43840 48224 53156 53350 54800 60280 62080 66445 68288 70400 75350 77600 85360 87680 96448 106312 106700 109600 120560 124160 132890 136576 146179 150700 155200 170720 175360 192896 212624 213400 219200 241120 265780 273152 292358 301400 310400 332225 341440 385792 425248 426800 438400 482240 531560 584716 602800 620800 664450 682880 730895 850496 853600 876800 964480 1063120 1169432 1205600 1328900 1365760 1461790 1700992 1707200 1928960 2126240 2338864 2411200 2657800 2923580 3401984 3414400 3654475 4252480 4677728 4822400 5315600 5847160 6828800 7308950 8504960 9355456 9644800 10631200 11694320 14617900 17009920 18710912 21262400 22707127 23388640 29235800 37421824 42524800 45414254 46777280 58471600 85049600 90828508 93554560 113535635 116943200 181657016 187109120 227071270 233886400 249778397 363314032 454142540 467772800 499556794 567678175 726628064 908285080 935545600 999113588 1135356350 1248891985 1453256128 1816570160 1998227176 2202591319 2270712700 2497783970 2906512256 3110876399 3633140320 3996454352 4405182638 4541425400 4995567940 5813024512 6221752798 6244459925 7266280640 7992908704 8810365276 9082850800 9991135880 11012956595 12443505596 12488919850 14532561280 15554381995 15985817408 17620730552 18165701600 19982271760 22025913190 24228504509 24887011192 24977839700 29065122560 31108763990 31971634816 34219640389 35241461104 36331403200 39964543520 44051826380 48457009018 49774022384 49955679400 55064782975 62217527980 63943269632 68439280778 70482922208 72662806400 77771909975 79929087040 88103652760 96914018036 99548044768 99911358800 110129565950 121142522545 124435055960 136878561556 140965844416 145325612800 155543819950 159858174080 171098201945 176207305520 193828036072 199096089536 199822717600 220259131900 242285045090 248870111920 273757123112 281931688832 301755010703 311087639900 319716348160 342196403890 352414611040 387656072144 398192179072 399645435200 440518263800 484570090180 497740223840 547514246224 563863377664 603510021406 605712612725 622175279800 684392807780 704829222080 775312144288 796384358144 799290870400 855491009725 881036527600 969140180360 995480447680 1095028492448 1207020042812 1211425225450 1244350559600 1368785615560 1409658444160 1508775053515 1550624288576 1598581740800 1710982019450 1762073055200 1938280360720 1990960895360 2190056984896 2414040085624 2422850450900 2488701119200 2737571231120 2819316888320 3017550107030 3101248577152 3319305117733 3421964038900 3524146110400 3876560721440 3981921790720 4380113969792 4828080171248 4845700901800 4977402238400 5475142462240 6035100214060 6202497154304 6638610235466 6843928077800 7048292220800 7543875267575 7753121442880 8760227939584 9656160342496 9691401803600 9954804476800 10950284924480 12070200428120 13277220470932 13687856155600 14096584441600 15087750535150 15506242885760 16596525588665 19312320684992 19382803607200 19909608953600 21900569848960 24140400856240 26554440941864 27375712311200 30175501070300 31012485771520 33193051177330 38624641369984 38765607214400 43801139697920 48280801712480 53108881883728 54751424622400 60351002140600 66386102354660 77249282739968 77531214428800 82982627943325 96561603424960 106217763767456 109502849244800 120702004281200 132772204709320 155062428857600 165965255886650 193123206849920 212435527534912 219005698489600 241404008562400 265544409418640 331930511773300 386246413699840 424871055069824 482808017124800 531088818837280 663861023546600 849742110139648 965616034249600 1062177637674560 1327722047093200 1931232068499200 2124355275349120 2655444094186400 4248710550698240 5310888188372800 10621776376745600 21243552753491200
• Sum of all divisors σ(n): 58375580213994624
• Sum of proper divisors (its aliquot sum) s(n): 37132027460503424
• 21243552753491200 is an abundant number, because the sum of its proper divisors (37132027460503424) is greater than itself. Its abundance is 15888474707012224

Bases of 21243552753491200

• Binary: 1001011011110001110011000001111101000111001110100000000₂
• Hexadecimal: 0x4B78E60FA39D00
• Base-36: 5T67LEP5F5S

Squares and roots of 21243552753491200

• 21243552753491200 squared (21243552753491200²) is 451288533590363545233788477440000
• 21243552753491200 cubed (21243552753491200³) is 9586971770372573393321673811959027292438528000000
• The square root of 21243552753491200 is 145751681.8204551629
• The cube root of 21243552753491200 is 276954.8978141979

Scales and comparisons

• 21,243,552,753,491,200 seconds is equal to 675,479,266 years, 48 weeks, 5 days, 9 hours, 46 minutes, 40 seconds.
• To count from 1 to 21,243,552,753,491,200 would take you about two billion, twenty-six million, four hundred thirty-seven thousand, eight hundred 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 21243552753491200 cubic inches would be around 23079.6 feet tall.

Recreational maths with 21243552753491200

• 21243552753491200 backwards is 00219435725534212
• 21243552753491200 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21243552753491200's digits is 55
• More coming soon!