21065820831162720
21,065,820,831,162,720 is an even composite number composed of six prime numbers multiplied together.
21065820831162720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one thousand, nine hundred twenty divisors.
Prime factorization of 21065820831162720:
25 × 34 × 5 × 29 × 433 × 893
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 29 × 43 × 43 × 43 × 89 × 89 × 89)See below for interesting mathematical facts about the number 21065820831162720 from the Numbermatics database.
Names of 21065820831162720
- Cardinal: 21065820831162720 can be written as Twenty-one quadrillion, sixty-five trillion, eight hundred twenty billion, eight hundred thirty-one million, one hundred sixty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.106582083116272 × 1016
Factors of 21065820831162720
Divisors of 21065820831162720
- Number of divisors d(n): 1920
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 32 36 40 43 45 48 54 58 60 72 80 81 86 87 89 90 96 108 116 120 129 135 144 145 160 162 172 174 178 180 215 216 232 240 258 261 267 270 288 290 324 344 348 356 360 387 405 430 432 435 445 464 480 516 522 534 540 580 645 648 688 696 712 720 774 783 801 810 860 864 870 890 928 1032 1044 1068 1080 1160 1161 1247 1290 1296 1305 1335 1376 1392 1424 1440 1548 1566 1602 1620 1720 1740 1780 1849 1935 2064 2088 2136 2160 2320 2322 2349 2403 2494 2580 2581 2592 2610 2670 2784 2848 3096 3132 3204 3240 3440 3480 3483 3560 3698 3741 3827 3870 3915 4005 4128 4176 4272 4320 4640 4644 4698 4806 4988 5160 5162 5220 5340 5547 5805 6192 6235 6264 6408 6480 6880 6960 6966 7120 7209 7396 7482 7654 7740 7743 7830 7921 8010 8352 8544 9245 9288 9396 9612 9976 10320 10324 10440 10680 11094 11223 11481 11610 11745 12015 12384 12470 12528 12816 12905 12960 13920 13932 14240 14418 14792 14964 15308 15480 15486 15660 15842 16020 16641 17415 18490 18576 18705 18792 19135 19224 19952 20640 20648 20880 21360 22188 22446 22962 23220 23229 23490 23763 24030 24940 25056 25632 25810 27735 27864 28836 29584 29928 30616 30960 30972 31320 31684 32040 33282 33669 34443 34830 36045 36980 37152 37410 37584 38270 38448 38715 39605 39904 41296 41760 42720 44376 44892 45924 46440 46458 46980 47526 48060 49880 49923 51620 53621 55470 55728 56115 57405 57672 59168 59856 61232 61920 61944 62640 63368 64080 66564 67338 68886 69660 69687 71289 72090 73960 74820 75168 76540 76896 77430 79210 79507 82592 83205 88752 89784 91848 92880 92916 93960 95052 96120 99760 99846 101007 103240 103329 107242 110940 110983 111456 112230 114810 115344 116145 118815 119712 122464 123888 125280 126736 128160 133128 134676 137772 139320 139374 142578 144180 147920 149640 149769 153080 154860 158420 159014 160863 164561 166410 168345 172215 177504 179568 183696 185760 185832 187920 190104 192240 199520 199692 202014 206480 206658 209061 213867 214484 221880 221966 224460 229620 229709 230688 232290 237630 238521 247776 249615 253472 266256 268105 269352 275544 278640 278748 285156 288360 295840 299280 299538 306160 309720 309987 316840 318028 321726 329122 332820 332949 336690 340603 344430 348435 356445 359136 367392 371664 375840 380208 384480 397535 399384 404028 412960 413316 418122 427734 428968 443760 443932 448920 459240 459418 464580 475260 477042 482589 493683 499230 505035 516645 532512 536210 538704 551088 554915 557280 557496 570312 576720 598560 599076 612320 619440 619974 633680 636056 641601 643452 658244 665640 665898 673380 681206 688860 689127 696870 704969 712890 715563 743328 748845 760416 795070 798768 804315 808056 822805 826632 836244 855468 857936 887520 887864 897840 918480 918836 929160 950520 954084 965178 987366 998460 998847 1010070 1021809 1033290 1045305 1069335 1072420 1077408 1102176 1109830 1114992 1140624 1148545 1153440 1192605 1198152 1238880 1239948 1267360 1272112 1283202 1286904 1316488 1331280 1331796 1346760 1362412 1377720 1378254 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66238887240 66487251708 67957110560 68015694276 68806574442 70327707440 70388334774 71206803783 73053893852 73874724120 75572993640 75602285498 76451749380 78209260860 78573024864 79118670870 83109064635 84393248928 85019617845 88318516320 88649668944 90687592368 91317367315 91706554080 91742099256 93851113032 94905619920 94942405044 98216281080 98499632160 100763991520 101935665840 102023541414 104279014480 105491561160 105582502161 109580840778 110812086180 112099940566 113359490460 113403428247 114677624070 117313891290 118678006305 122322799008 125134817376 126589873392 128012231520 130955041440 132477774480 132974503416 136031388552 137613148884 140655414880 140776669548 142413607566 146107787704 147749448240 151145987280 151204570996 152903498760 156418521720 158237341740 164371261167 166218129270 168149910849 170039235690 172016436105 175970836935 177299337888 181375184736 182634734630 183484198512 187702226064 189005713745 189811239840 189884810088 196432562160 203871331680 204047082828 208558028960 210983122320 211165004322 219161681556 221624172360 224199881132 226718980920 226806856494 229355248140 234627782580 237356012610 253179746784 255058853535 264955548960 265949006832 272062777104 273952101945 275226297768 280249851415 281553339096 284827215132 292215575408 295498896480 302291974560 302409141992 305806997520 312837043440 316474683480 328742522334 332436258540 336299821698 340078471380 340210284741 344032872210 351941673870 356034018915 365269469260 366968397024 375404452128 378011427490 379769620176 392865124320 408094165656 421966244640 422330008644 438323363112 443248344720 448399762264 453437961840 453613712988 458710496280 469255565160 474712025220 493113783501 504449732547 510117707070 527912510805 531898013664 544125554208 547904203890 550452595536 560499702830 563106678192 567017141235 569654430264 584431150816 604818283984 611613995040 625674086880 632949366960 657485044668 664872517080 672599643396 680156942760 680420569482 688065744420 703883347740 712068037830 730538938520 756022854980 759539240352 816188331312 821856305835 840749554245 844660017288 876646726224 886496689440 896799524528 906875923680 907227425976 917420992560 938511130320 949424050440 986227567002 1008899465094 1020235414140 1020630854223 1055825021610 1095808407780 1100905191072 1120999405660 1126213356384 1134034282470 1139308860528 1209636567968 1265898733920 1314970089336 1329745034160 1345199286792 1360313885520 1360841138964 1376131488840 1407766695480 1424136075660 1461077877040 1479341350503 1512045709960 1513349197641 1625449138207 1632376662624 1643712611670 1681499108490 1689320034576 1701051423705 1753293452448 1793599049056 1814454851952 1834841985120 1877022260640 1898848100880 1972455134004 2017798930188 2040470828280 2041261708446 2111650043220 2191616815560 2241998811320 2268068564940 2278617721056 2465568917505 2522248662735 2629940178672 2659490068320 2690398573584 2720627771040 2721682277928 2752262977680 2815533390960 2848272151320 2922155754080 2958682701006 3024091419920 3026698395282 3061892562669 3250898276414 3287425223340 3362998216980 3378640069152 3402102847410 3628909703904 3797696201760 3944910268008 4035597860376 4080941656560 4082523416892 4223300086440 4383233631120 4483997622640 4536137129880 4540047592923 4876347414621 4931137835010 5044497325470 5103154271115 5259880357344 5380797147168 5443364555856 5504525955360 5631066781920 5696544302640 5917365402012 6048182839840 6053396790564 6123785125338 6501796552828 6574850446680 6725996433960 6804205694820 7396706752515 7566745988205 7889820536016 8071195720752 8127245691035 8161883313120 8165046833784 8446600172880 8766467262240 8967995245280 9072274259760 9080095185846 9752694829242 9862275670020 10088994650940 10206308542230 10886729111712 11393088605280 11834730804024 12106793581128 12247570250676 13003593105656 13149700893360 13451992867920 13608411389640 14629042243863 14793413505030 15133491976410 15309462813345 15779641072032 16142391441504 16254491382070 16330093667568 16893200345760 18144548519520 18160190371692 19505389658484 19724551340040 20177989301880 20412617084460 22700237964615 23669461608048 24213587162256 24381737073105 24495140501352 26007186211312 26299401786720 26903985735840 27216822779280 29258084487726 29586827010060 30266983952820 30618925626690 32508982764140 32660187335136 36320380743384 39010779316968 39449102680080 40355978603760 40825234168920 43887126731589 45400475929230 47338923216096 48427174324512 48763474146210 48990281002704 52014372422624 54433645558560 58516168975452 59173654020120 60533967905640 61237851253380 65017965528280 72640761486768 73145211219315 78021558633936 78898205360160 80711957207520 81650468337840 87774253463178 90800951858460 97526948292420 97980562005408 117032337950904 118347308040240 121067935811280 122475702506760 130035931056560 131661380194767 145281522973536 146290422438630 156043117267872 163300936675680 175548506926356 181601903716920 195053896584840 219435633657945 234064675901808 236694616080480 242135871622560 244951405013520 260071862113120 263322760389534 292580844877260 351097013852712 363203807433840 390107793169680 438871267315890 468129351803616 489902810027040 526645520779068 585161689754520 658306900973835 702194027705424 726407614867680 780215586339360 877742534631780 1053291041558136 1170323379509040 1316613801947670 1404388055410848 1755485069263560 2106582083116272 2340646759018080 2633227603895340 3510970138527120 4213164166232544 5266455207790680 7021940277054240 10532910415581360 21065820831162720
- Sum of all divisors σ(n): 79634301904080000
- Sum of proper divisors (its aliquot sum) s(n): 58568481072917280
- 21065820831162720 is an abundant number, because the sum of its proper divisors (58568481072917280) is greater than itself. Its abundance is 37502660241754560
Bases of 21065820831162720
- Binary: 10010101101011101000000100111111000101100100001011000002
- Hexadecimal: 0x4AD7409F8B2160
- Base-36: 5RF7KHNHY00
Squares and roots of 21065820831162720
- 21065820831162720 squared (210658208311627202) is 443768807290649191292267117798400
- 21065820831162720 cubed (210658208311627203) is 9348354184843592465760278895740943283878555648000
-
The
square root of 21065820831162720 is 145140693.2295788643 -
The
cube root of 21065820831162720 is 276180.3625372885
Scales and comparisons
How big is 21065820831162720?- 21,065,820,831,162,720 seconds is equal to 669,827,941 years, 29 weeks, 4 days, 1 hour, 12 minutes.
-
To count from 1 to 21,065,820,831,162,720 would take you about two billion, nine million, four hundred eighty-three thousand, eight 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 21065820831162720 cubic inches would be around 23015 feet tall.
Recreational maths with 21065820831162720
- 21065820831162720 backwards is 02726113802856012
- 21065820831162720 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 21065820831162720's digits is 54
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The information we have on file for 21065820831162720 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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