21678721039872
21,678,721,039,872 is an even composite number composed of six prime numbers multiplied together.
21678721039872 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.
Prime factorization of 21678721039872:
29 × 32 × 13 × 19 × 372 × 13913
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 19 × 37 × 37 × 13913)See below for interesting mathematical facts about the number 21678721039872 from the Numbermatics database.
Names of 21678721039872
- Cardinal: 21678721039872 can be written as Twenty-one trillion, six hundred seventy-eight billion, seven hundred twenty-one million, thirty-nine thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.1678721039872 × 1013
Factors of 21678721039872
Divisors of 21678721039872
- Number of divisors d(n): 720
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 19 24 26 32 36 37 38 39 48 52 57 64 72 74 76 78 96 104 111 114 117 128 144 148 152 156 171 192 208 222 228 234 247 256 288 296 304 312 333 342 384 416 444 456 468 481 494 512 576 592 608 624 666 684 703 741 768 832 888 912 936 962 988 1152 1184 1216 1248 1332 1368 1369 1406 1443 1482 1536 1664 1776 1824 1872 1924 1976 2109 2223 2304 2368 2432 2496 2664 2736 2738 2812 2886 2964 3328 3552 3648 3744 3848 3952 4107 4218 4329 4446 4608 4736 4864 4992 5328 5472 5476 5624 5772 5928 6327 6656 7104 7296 7488 7696 7904 8214 8436 8658 8892 9139 9472 9728 9984 10656 10944 10952 11248 11544 11856 12321 12654 13913 14208 14592 14976 15392 15808 16428 16872 17316 17784 17797 18278 18944 19968 21312 21888 21904 22496 23088 23712 24642 25308 26011 27417 27826 28416 29184 29952 30784 31616 32856 33744 34632 35568 35594 36556 41739 42624 43776 43808 44992 46176 47424 49284 50616 52022 53391 54834 55652 56832 59904 61568 63232 65712 67488 69264 71136 71188 73112 78033 82251 83478 85248 87552 87616 89984 92352 94848 98568 101232 104044 106782 109668 111304 123136 125217 126464 131424 134976 138528 142272 142376 146224 156066 160173 164502 166956 170496 175232 179968 180869 184704 189696 197136 202464 208088 213564 219336 222608 234099 246272 250434 262848 264347 269952 277056 284544 284752 292448 312132 320346 329004 333912 338143 350464 359936 361738 369408 379392 394272 404928 416176 427128 438672 445216 468198 500868 514781 525696 528694 539904 542607 554112 569088 569504 584896 624264 640692 658008 667824 676286 700928 723476 738816 788544 793041 809856 832352 854256 877344 890432 936396 1001736 1014429 1029562 1051392 1057388 1079808 1085214 1108224 1138176 1139008 1169792 1248528 1281384 1316016 1335648 1352572 1446952 1544343 1577088 1586082 1619712 1627821 1664704 1708512 1754688 1780864 1872792 2003472 2028858 2059124 2102784 2114776 2170428 2216448 2278016 2339584 2379123 2497056 2562768 2632032 2671296 2705144 2893904 3043287 3088686 3154176 3172164 3239424 3255642 3329408 3417024 3436511 3509376 3561728 3745584 4006944 4057716 4118248 4229552 4340856 4556032 4633029 4679168 4758246 4994112 5125536 5264064 5342592 5410288 5787808 6086574 6177372 6308352 6344328 6511284 6658816 6692153 6834048 6873022 7018752 7123456 7491168 8013888 8115432 8236496 8459104 8681712 9112064 9266058 9516492 9780839 9988224 10251072 10309533 10528128 10685184 10820576 11575616 12173148 12354744 12688656 13022568 13317632 13384306 13668096 13746044 14037504 14982336 16027776 16230864 16472992 16918208 17363424 18532116 19032984 19046897 19561678 19976448 20076459 20502144 20619066 21056256 21370368 21641152 23151232 24346296 24709488 25377312 26045136 26768612 27336192 27492088 29342517 29964672 30928599 32055552 32461728 32945984 33836416 34726848 37064232 38065968 38093794 39123356 39952896 40152918 41004288 41238132 42112512 43282304 46302464 48692592 49418976 50754624 52090272 53537224 54984176 57140691 58685034 59929344 60229377 61857198 64111104 64923456 65891968 67672832 69453696 74128464 76131936 76187588 78246712 80305836 82008576 82476264 86564608 88027551 92604928 97385184 98837952 101509248 104180544 107074448 109968352 114281382 117370068 119858688 120458754 123714396 127150907 129846912 131783936 135345664 138907392 148256928 152263872 152375176 156493424 160611672 164952528 171422073 173129216 176055102 194770368 197675904 203018496 208361088 214148896 219936704 228562764 234740136 240917508 247428792 247609661 254301814 259693824 263567872 277814784 296513856 304527744 304750352 312986848 321223344 329905056 342844146 352110204 361891043 381452721 389540736 395351808 406036992 416722176 428297792 439873408 457125528 469480272 481835016 494857584 495219322 508603628 519387648 593027712 609055488 609500704 625973696 642446688 659810112 685688292 704220408 723782086 742828983 762905442 779081472 790703616 833444352 856595584 879746816 914251056 938960544 963670032 989715168 990438644 1017207256 1085673129 1144358163 1186055424 1218110976 1219001408 1251947392 1284893376 1319620224 1371376584 1408440816 1447564172 1485657966 1525810884 1558162944 1713191168 1759493632 1828502112 1877921088 1927340064 1979430336 1980877288 2034414512 2171346258 2228486949 2288716326 2372110848 2438002816 2503894784 2569786752 2639240448 2742753168 2816881632 2895128344 2971315932 3051621768 3257019387 3426382336 3657004224 3755842176 3854680128 3958860672 3961754576 4068829024 4342692516 4456973898 4577432652 4704583559 4876005632 5007789568 5139573504 5278480896 5485506336 5633763264 5790256688 5942631864 6103243536 6514038774 7314008448 7511684352 7709360256 7917721344 7923509152 8137658048 8685385032 8913947796 9154865304 9409167118 9752011264 10279147008 10971012672 11267526528 11580513376 11885263728 12206487072 13028077548 14113750677 14628016896 15023368704 15418720512 15835442688 15847018304 16275316096 17370770064 17827895592 18309730608 18818334236 21942025344 22535053056 23161026752 23770527456 24412974144 26056155096 28227501354 29256033792 30837441024 31694036608 32550632192 34741540128 35655791184 36619461216 37636668472 42341252031 43884050688 45070106112 46322053504 47541054912 48825948288 52112310192 56455002708 63388073216 65101264384 69483080256 71311582368 73238922432 75273336944 84682504062 87768101376 92644107008 95082109824 97651896576 104224620384 112910005416 126776146432 138966160512 142623164736 146477844864 150546673888 169365008124 185288214016 190164219648 195303793152 208449240768 225820010832 277932321024 285246329472 292955689728 301093347776 338730016248 380328439296 416898481536 451640021664 555864642048 570492658944 585911379456 602186695552 677460032496 833796963072 903280043328 1140985317888 1204373391104 1354920064992 1667593926144 1806560086656 2408746782208 2709840129984 3613120173312 5419680259968 7226240346624 10839360519936 21678721039872
- Sum of all divisors σ(n): 72899258992560
- Sum of proper divisors (its aliquot sum) s(n): 51220537952688
- 21678721039872 is an abundant number, because the sum of its proper divisors (51220537952688) is greater than itself. Its abundance is 29541816912816
Bases of 21678721039872
- Binary: 1001110110111011110000111011101111110000000002
- Hexadecimal: 0x13B778777E00
- Base-36: 7ON2ES1S0
Squares and roots of 21678721039872
- 21678721039872 squared (216787210398722) is 469966945924588929013776384
- 21678721039872 cubed (216787210398723) is 10188282318659772499683673162762155982848
-
The
square root of 21678721039872 is 4656041.3485999027 -
The
cube root of 21678721039872 is 27883.3244561499
Scales and comparisons
How big is 21678721039872?- 21,678,721,039,872 seconds is equal to 689,316 years, 14 weeks, 1 day, 3 hours, 31 minutes, 12 seconds.
-
To count from 1 to 21,678,721,039,872 would take you about one million, seven hundred twenty-three thousand, two hundred ninety 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 21678721039872 cubic inches would be around 2323.6 feet tall.
Recreational maths with 21678721039872
- 21678721039872 backwards is 27893012787612
- The number of decimal digits it has is: 14
- The sum of 21678721039872's digits is 63
- More coming soon!
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The information we have on file for 21678721039872 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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