21040297004649600

Names of 21040297004649600

• Cardinal: 21040297004649600 can be written as Twenty-one quadrillion, forty trillion, two hundred ninety-seven billion, four million, six hundred forty-nine thousand, six hundred.

Scientific notation

• Scientific notation: 2.10402970046496 × 10¹⁶

Factors of 21040297004649600

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 12453

Divisors of 21040297004649600

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 160 180 192 200 225 240 288 300 320 337 360 384 400 450 480 557 576 600 640 674 720 800 900 960 1011 1114 1152 1200 1348 1440 1600 1671 1685 1800 1920 2022 2228 2400 2696 2785 2880 3033 3200 3342 3370 3600 4044 4456 4800 5013 5055 5392 5570 5760 6066 6684 6740 7200 8088 8355 8425 8912 9600 10026 10110 10784 11140 11549 12132 13368 13480 13925 14400 15165 16176 16710 16850 17824 20052 20220 21568 22280 23098 24264 25065 25275 26736 26960 27850 28800 30330 32352 33420 33700 34647 35648 40104 40440 41775 43136 44560 46196 48528 50130 50550 53472 53920 55700 57745 60660 64704 66840 67400 69294 71296 75825 80208 80880 83550 89120 92392 97056 100260 101100 103941 106944 107840 111400 113569 115490 121320 125325 129408 133680 134800 138588 151650 160416 161760 167100 173235 178240 184784 187709 194112 200520 202200 207882 213888 215680 222800 227138 230980 242640 250650 267360 269600 277176 288725 303300 320832 323520 334200 340707 346470 356480 369568 375418 388224 401040 404400 415764 445600 454276 461960 485280 501300 519705 534720 539200 554352 563127 567845 577450 606600 641664 647040 668400 681414 692940 739136 750836 802080 808800 831528 866175 891200 908552 923920 938545 970560 1002600 1022121 1039410 1069440 1078400 1108704 1126254 1135690 1154900 1213200 1336800 1362828 1385880 1478272 1501672 1604160 1617600 1663056 1689381 1703535 1732350 1782400 1817104 1847840 1877090 1941120 2005200 2044242 2078820 2217408 2252508 2271380 2309800 2426400 2598525 2673600 2725656 2771760 2815635 2839225 3003344 3208320 3235200 3326112 3378762 3407070 3464700 3634208 3695680 3754180 3892013 4010400 4088484 4157640 4434816 4505016 4542760 4619600 4692725 4852800 5110605 5197050 5347200 5451312 5543520 5631270 5678450 6006688 6432793 6652224 6757524 6814140 6929400 7268416 7391360 7508360 7784026 8020800 8176968 8315280 8446905 8517675 9010032 9085520 9239200 9385450 9705600 10221210 10394100 10902624 11087040 11262540 11356900 11676039 12013376 12865586 13304448 13515048 13628280 13858800 14078175 14536832 15016720 15568052 16041600 16353936 16630560 16893810 17035350 18020064 18171040 18478400 18770900 19298379 19460065 20442420 20788200 21805248 22174080 22525080 22713800 23352078 24026752 25553025 25731172 27030096 27256560 27717600 28156350 30033440 31136104 32163965 32707872 33261120 33787620 34070700 35028117 36040128 36342080 36956800 37541800 38596758 38920130 40884840 41576400 42234525 43610496 45050160 45427600 46704156 51106050 51462344 54060192 54513120 55435200 56312700 57895137 58380195 60066880 62272208 63257933 64327930 65415744 66522240 67575240 68141400 70056234 72080256 72684160 75083600 77193516 77840260 81769680 83152800 84469050 90100320 90855200 93408312 96491895 97300325 102212100 102924688 108120384 109026240 110870400 112625400 115790274 116760390 120133760 124544416 126515866 128655860 130831488 135150480 136282800 140112468 150167200 154387032 155680520 160819825 163539360 166305600 168938100 175140585 180200640 181710400 186816624 189773799 192983790 194600650 204424200 205849376 216240768 218052480 225250800 231580548 233520780 249088832 253031732 257311720 270300960 272565600 280224936 289475685 291900975 300334400 308774064 311361040 316289665 321639650 327078720 332611200 337876200 350281170 360401280 363420800 373633248 379547598 385967580 389201300 408848400 411698752 450501600 463161096 467041560 482459475 498177664 506063464 514623440 540601920 545131200 560449872 569321397 578951370 583801950 600668800 617548128 622722080 632579330 643279300 654157440 675752400 700562340 747266496 759095196 771935160 778402600 817696800 823397504 875702925 901003200 926322192 934083120 948868995 964918950 1012126928 1029246880 1081203840 1090262400 1120899744 1138642794 1157902740 1167603900 1235096256 1245444160 1265158660 1286558600 1311608381 1351504800 1401124680 1447378425 1494532992 1518190392 1543870320 1556805200 1581448325 1635393600 1751405850 1802006400 1852644384 1868166240 1897737990 1929837900 2024253856 2058493760 2167851241 2241799488 2277285588 2315805480 2335207800 2470192512 2490888320 2530317320 2573117200 2623216762 2703009600 2802249360 2846606985 2894756850 3036380784 3087740640 3113610400 3162896650 3270787200 3502811700 3705288768 3736332480 3795475980 3859675800 3934825143 4048507712 4116987520 4335702482 4483598976 4554571176 4631610960 4670415600 4744344975 5060634640 5146234400 5246433524 5406019200 5604498720 5693213970 5789513700 6072761568 6175481280 6227220800 6325793300 6503553723 6558041905 7005623400 7410577536 7472664960 7590951960 7719351600 7869650286 8097015424 8671404964 9109142352 9263221920 9340831200 9488689950 10121269280 10292468800 10492867048 10839256205 11208997440 11386427940 11579027400 11804475429 12145523136 12350962560 12454441600 12651586600 13007107446 13116083810 14011246800 14233034925 15181903920 15438703200 15739300572 17342809928 18218284704 18526443840 18681662400 18977379900 19510661169 19674125715 20242538560 20584937600 20985734096 21678512410 22417994880 22772855880 23158054800 23608950858 24291046272 25303173200 26014214892 26232167620 28022493600 28466069850 30363807840 30877406400 31478601144 32517768615 32790209525 34685619856 36436569408 37052887680 37363324800 37954759800 39021322338 39348251430 40485077120 41971468192 43357024820 45545711760 46316109600 47217901716 50606346400 52028429784 52464335240 54196281025 56044987200 56932139700 59022377145 60727615680 61754812800 62957202288 65035537230 65580419050 69371239712 72873138816 75909519600 78042644676 78696502860 83942936384 86714049640 91091423520 92632219200 94435803432 97553305845 98370628575 101212692800 104056859568 104928670480 108392562050 112089974400 113864279400 118044754290 121455231360 125914404576 130071074460 131160838100 138742479424 151819039200 156085289352 157393005720 162588843075 167885872768 173428099280 182182847040 185264438400 188871606864 195106611690 196741257150 202425385600 208113719136 209857340960 216785124100 227728558800 236089508580 251828809152 260142148920 262321676200 277484958848 295111885725 303638078400 312170578704 314786011440 325177686150 346856198560 364365694080 377743213728 390213223380 393482514300 416227438272 419714681920 433570248200 455457117600 472179017160 487766529225 503657618304 520284297840 524643352400 590223771450 607276156800 624341157408 629572022880 650355372300 693712397120 730565868217 755486427456 780426446760 786965028600 832454876544 839429363840 867140496400 910914235200 944358034320 975533058450 1040568595680 1049286704800 1180447542900 1248682314816 1259144045760 1300710744600 1387424794240 1461131736434 1510972854912 1560852893520 1573930057200 1734280992800 1821828470400 1888716068640 1951066116900 2081137191360 2098573409600 2191697604651 2360895085800 2497364629632 2518288091520 2601421489200 2922263472868 3121705787040 3147860114400 3468561985600 3652829341085 3777432137280 3902132233800 4162274382720 4197146819200 4383395209302 4721790171600 5202842978400 5844526945736 6243411574080 6295720228800 6575092813953 6937123971200 7305658682170 7554864274560 7804264467600 8766790418604 9443580343200 10405685956800 10958488023255 11689053891472 12486823148160 12591440457600 13150185627906 14611317364340 15608528935200 17533580837208 18264146705425 18887160686400 20811371913600 21916976046510 23378107782944 26300371255812 29222634728680 31217057870400 32875464069765 35067161674416 36528293410850 37774321372800 43833952093020 46756215565888 52600742511624 54792440116275 58445269457360 62434115740800 65750928139530 70134323348832 73056586821700 87667904186040 93512431131776 105201485023248 109584880232550 116890538914720 131501856279060 140268646697664 146113173643400 164377320348825 175335808372080 210402970046496 219169760465100 233781077829440 263003712558120 280537293395328 292226347286800 328754640697650 350671616744160 420805940092992 438339520930200 467562155658880 526007425116240 584452694573600 657509281395300 701343233488320 841611880185984 876679041860400 1052014850232480 1168905389147200 1315018562790600 1402686466976640 1753358083720800 2104029700464960 2337810778294400 2630037125581200 3506716167441600 4208059400929920 5260074251162400 7013432334883200 10520148502324800 21040297004649600
• Sum of all divisors σ(n): 75441762085189500
• Sum of proper divisors (its aliquot sum) s(n): 54401465080539900
• 21040297004649600 is an abundant number, because the sum of its proper divisors (54401465080539900) is greater than itself. Its abundance is 33361168075890300

Bases of 21040297004649600

• Binary: 1001010110000000000100111100100111011100100110010000000₂
• Hexadecimal: 0x4AC009E4EE4C80
• Base-36: 5R65V0874W0

Squares and roots of 21040297004649600

• 21040297004649600 squared (21040297004649600²) is 442694098043866929884018780160000
• 21040297004649600 cubed (21040297004649600³) is 9314415305048429711502694365332841240231936000000
• The square root of 21040297004649600 is 145052738.7009621407
• The cube root of 21040297004649600 is 276068.7753266409

Scales and comparisons

• 21,040,297,004,649,600 seconds is equal to 669,016,362 years, 43 weeks, 3 days, 8 hours.
• To count from 1 to 21,040,297,004,649,600 would take you about two billion, seven million, forty-nine thousand and eighty-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 21040297004649600 cubic inches would be around 23005.7 feet tall.

Recreational maths with 21040297004649600

• 21040297004649600 backwards is 00694640079204012
• The number of decimal digits it has is: 17
• The sum of 21040297004649600's digits is 54
• More coming soon!