20821616921664
20,821,616,921,664 is an even composite number composed of five prime numbers multiplied together.
20821616921664 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eight hundred forty divisors.
Prime factorization of 20821616921664:
26 × 32 × 133 × 174 × 197
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 13 × 13 × 17 × 17 × 17 × 17 × 197)See below for interesting mathematical facts about the number 20821616921664 from the Numbermatics database.
Names of 20821616921664
- Cardinal: 20821616921664 can be written as Twenty trillion, eight hundred twenty-one billion, six hundred sixteen million, nine hundred twenty-one thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 2.0821616921664 × 1013
Factors of 20821616921664
Divisors of 20821616921664
- Number of divisors d(n): 840
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 17 18 24 26 32 34 36 39 48 51 52 64 68 72 78 96 102 104 117 136 144 153 156 169 192 197 204 208 221 234 272 288 289 306 312 338 394 408 416 442 468 507 544 576 578 591 612 624 663 676 788 816 832 867 884 936 1014 1088 1156 1182 1224 1248 1326 1352 1521 1576 1632 1734 1768 1773 1872 1989 2028 2197 2312 2364 2448 2496 2561 2601 2652 2704 2873 3042 3152 3264 3349 3468 3536 3546 3744 3757 3978 4056 4394 4624 4728 4896 4913 5122 5202 5304 5408 5746 6084 6304 6591 6698 6936 7072 7092 7488 7514 7683 7956 8112 8619 8788 9248 9456 9792 9826 10047 10244 10404 10608 10816 11271 11492 12168 12608 13182 13396 13872 14144 14184 14739 15028 15366 15912 16224 17238 17576 18496 18912 19652 19773 20094 20488 20808 21216 22542 22984 23049 24336 25857 26364 26792 27744 28368 29478 30056 30141 30732 31824 32448 33293 33813 34476 35152 37349 37824 39304 39546 40188 40976 41616 42432 43537 44217 45084 45968 46098 48672 48841 51714 52728 53584 55488 56736 56933 58956 60112 60282 61464 63648 63869 66586 67626 68952 70304 74698 78608 79092 80376 81952 83232 83521 87074 88434 90168 91936 92196 97344 97682 99879 103428 105456 107168 112047 113472 113866 117912 120224 120564 122928 127296 127738 130611 133172 135252 137904 140608 146523 149396 157216 158184 160752 163904 166464 167042 170799 174148 176868 180336 183872 184392 191607 195364 199758 206856 210912 214336 224094 227732 235824 240448 241128 245856 250563 255476 261222 266344 270504 275808 293046 298792 299637 314432 316368 321504 334084 336141 341598 348296 353736 360672 368784 383214 390728 391833 399516 413712 421824 432809 439569 448188 455464 471648 482256 491712 501126 510952 512397 522444 532688 541008 551616 565981 574821 586092 597584 599274 632736 634933 643008 668168 672282 683196 696592 707472 721344 737568 740129 751689 766428 781456 783666 799032 827424 830297 865618 879138 896376 910928 943296 964512 967861 1002252 1021904 1024794 1044888 1065376 1082016 1085773 1131962 1149642 1172184 1195168 1198548 1265472 1269866 1298427 1336336 1344564 1366392 1393184 1414944 1475136 1480258 1503378 1532856 1562912 1567332 1598064 1654848 1660594 1697943 1731236 1758276 1792752 1821856 1904799 1929024 1935722 2004504 2043808 2049588 2089776 2130752 2164032 2171546 2220387 2263924 2299284 2344368 2390336 2397096 2490891 2539732 2596854 2672672 2689128 2732784 2786368 2829888 2903583 2960516 3006756 3065712 3125824 3134664 3196128 3257319 3321188 3395886 3462472 3516552 3585504 3643712 3809598 3871444 3895281 4009008 4087616 4099176 4179552 4343092 4440774 4527848 4598568 4688736 4794192 4981782 5079464 5093829 5193708 5345344 5378256 5465568 5714397 5807166 5921032 6013512 6131424 6269328 6392256 6514638 6642376 6661161 6791772 6924944 7033104 7171008 7357753 7472673 7619196 7742888 7790562 8018016 8198352 8359104 8686184 8710749 8881548 9055696 9197136 9377472 9588384 9621677 9771957 9963564 10158928 10187658 10387416 10756512 10793861 10931136 11428794 11614332 11842064 12027024 12262848 12538656 12582193 13029276 13284752 13322322 13583544 13849888 14066208 14115049 14715506 14945346 15238392 15485776 15581124 16036032 16396704 16453637 17372368 17421498 17763096 18111392 18394272 19176768 19243354 19543914 19927128 20317856 20375316 20774832 21513024 21587722 22073259 22857588 23228664 23684128 24054048 25077312 25164386 26058552 26569504 26644644 27167088 27699776 28132416 28230098 28865031 29431012 29890692 30476784 30971552 31162248 32381583 32793408 32907274 34744736 34842996 35526192 36222784 36788544 37746579 38486708 39087828 39854256 40635712 40750632 41549664 42345147 43175444 44146518 45715176 46457328 47368256 48108096 49360911 50328772 52117104 53139008 53289288 54334176 56460196 57730062 58862024 59781384 60953568 61943104 62324496 64763166 65814548 66219777 69489472 69685992 71052384 75493158 76973416 78175656 79708512 81501264 83099328 84690294 86350888 86595093 88293036 91430352 92914656 97144749 98721822 100657544 104234208 106578576 108668352 112920392 113239737 115460124 117724048 119562768 121907136 124648992 125081801 127035441 129526332 131629096 132439554 139371984 142104768 148082733 150986316 153946832 156351312 159417024 163002528 163568509 169380588 172701776 173190186 176586072 182860704 183495637 185829312 194289498 197443644 201315088 208468416 213157152 213897281 225840784 226479474 230920248 235448096 239125536 249297984 250163602 254070882 259052664 263258192 264879108 278743968 296165466 301972632 307893664 312702624 326005056 327137018 338761176 345403552 346380372 353172144 365721408 366991274 375245403 388578996 394887288 402630176 426314304 427794562 451681568 452958948 461840496 470896192 478251072 490705527 500327204 508141764 518105328 526516384 529758216 550486911 557487936 592330932 603945264 615787328 625405248 641691843 654274036 677522352 690807104 692760744 706344288 733982548 750490806 777157992 789774576 805260352 855589124 903363136 905917896 923680992 981411054 1000654408 1016283528 1036210656 1053032768 1059516432 1100973822 1125736209 1184661864 1207890528 1283383686 1308548072 1355044704 1385521488 1412688576 1467965096 1472116581 1500981612 1554315984 1579549152 1651460733 1711178248 1811835792 1847361984 1925075529 1962822108 2001308816 2032567056 2072421312 2119032864 2126390617 2201947644 2251472418 2369323728 2415781056 2566767372 2617096144 2710089408 2771042976 2780664653 2935930192 2944233162 3001963224 3108631968 3159098304 3302921466 3422356496 3623671584 3850151058 3925644216 4002617632 4065134112 4238065728 4252781234 4403895288 4502944836 4738647456 5133534744 5234192288 5542085952 5561329306 5871860384 5888466324 6003926448 6217263936 6379171851 6605842932 6844712992 7247343168 7700302116 7851288432 8005235264 8130268224 8341993959 8505562468 8807790576 9005889672 9477294912 10267069488 10468384576 11122658612 11743720768 11776932648 12007852896 12758343702 13211685864 13689425984 15400604232 15702576864 16683987918 17011124936 17615581152 18011779344 19137515553 20534138976 22245317224 23553865296 24015705792 25025981877 25516687404 26423371728 30801208464 31405153728 33367975836 34022249872 35231162304 36023558688 36148640489 38275031106 41068277952 44490634448 47107730592 50051963754 51033374808 52846743456 61602416928 66735951672 68044499744 72047117376 72297280978 76550062212 88981268896 94215461184 100103927508 102066749616 105693486912 108445921467 123204833856 133471903344 136088999488 144594561956 153100124424 177962537792 200207855016 204133499232 216891842934 266943806688 289189123912 306200248848 325337764401 400415710032 408266998464 433783685868 533887613376 578378247824 612400497696 650675528802 800831420064 867567371736 1156756495648 1224800995392 1301351057604 1601662840128 1735134743472 2313512991296 2602702115208 3470269486944 5205404230416 6940538973888 10410808460832 20821616921664
- Sum of all divisors σ(n): 69042027894840
- Sum of proper divisors (its aliquot sum) s(n): 48220410973176
- 20821616921664 is an abundant number, because the sum of its proper divisors (48220410973176) is greater than itself. Its abundance is 27398794051512
Bases of 20821616921664
- Binary: 1001011101111111010010001010010001100010000002
- Hexadecimal: 0x12EFE9148C40
- Base-36: 7DPBH47K0
Squares and roots of 20821616921664
- 20821616921664 squared (208216169216642) is 433539731232524627512528896
- 20821616921664 cubed (208216169216643) is 9026998204044797351302490153123368402944
-
The
square root of 20821616921664 is 4563070.9967810055 -
The
cube root of 20821616921664 is 27510.9012083175
Scales and comparisons
How big is 20821616921664?- 20,821,616,921,664 seconds is equal to 662,063 years, 4 days, 14 hours, 14 minutes, 24 seconds.
-
To count from 1 to 20,821,616,921,664 would take you about one million, six hundred fifty-five thousand, one hundred fifty-seven 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 20821616921664 cubic inches would be around 2292.6 feet tall.
Recreational maths with 20821616921664
- 20821616921664 backwards is 46612961612802
- The number of decimal digits it has is: 14
- The sum of 20821616921664's digits is 54
- More coming soon!
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The information we have on file for 20821616921664 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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