81838855656293400
81,838,855,656,293,400 is an even composite number composed of seven prime numbers multiplied together.
81838855656293400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 81838855656293400:
23 × 32 × 52 × 7 × 61 × 94999 × 1120831
(2 × 2 × 2 × 3 × 3 × 5 × 5 × 7 × 61 × 94999 × 1120831)See below for interesting mathematical facts about the number 81838855656293400 from the Numbermatics database.
Names of 81838855656293400
- Cardinal: 81838855656293400 can be written as Eighty-one quadrillion, eight hundred thirty-eight trillion, eight hundred fifty-five billion, six hundred fifty-six million, two hundred ninety-three thousand, four hundred.
Scientific notation
- Scientific notation: 8.18388556562934 × 1016
Factors of 81838855656293400
Divisors of 81838855656293400
- Number of divisors d(n): 576
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 28 30 35 36 40 42 45 50 56 60 61 63 70 72 75 84 90 100 105 120 122 126 140 150 168 175 180 183 200 210 225 244 252 280 300 305 315 350 360 366 420 427 450 488 504 525 549 600 610 630 700 732 840 854 900 915 1050 1098 1220 1260 1281 1400 1464 1525 1575 1708 1800 1830 2100 2135 2196 2440 2520 2562 2745 3050 3150 3416 3660 3843 4200 4270 4392 4575 5124 5490 6100 6300 6405 7320 7686 8540 9150 10248 10675 10980 12200 12600 12810 13725 15372 17080 18300 19215 21350 21960 25620 27450 30744 32025 36600 38430 42700 51240 54900 64050 76860 85400 94999 96075 109800 128100 153720 189998 192150 256200 284997 379996 384300 474995 569994 664993 759992 768600 854991 949990 1120831 1139988 1329986 1424985 1709982 1899980 1994979 2241662 2279976 2374975 2659972 2849970 3324965 3362493 3419964 3799960 3989958 4274955 4483324 4749950 5319944 5604155 5699940 5794939 5984937 6649930 6724986 6839928 7124925 7845817 7979916 8549910 8966648 9499900 9974895 10087479 11208310 11399880 11589878 11969874 13299860 13449972 14249850 15691634 15959832 16624825 16812465 17099820 17384817 18999800 19949790 20174958 21374775 22416620 23179756 23537451 23939748 26599720 26899944 28020775 28499700 28974695 29924685 31383268 33249650 33624930 34199640 34769634 39229085 39899580 40349916 40564573 42749550 44833240 46359512 47074902 47879496 49874475 50437395 52154451 56041550 56999400 57949390 59849370 62766536 66499300 67249860 68370691 69539268 70612353 78458170 79799160 80699832 81129146 84062325 85499100 86924085 94149804 99748950 100874790 104308902 112083100 115898780 117687255 119698740 121693719 132998600 134499720 136741382 139078536 141224706 144873475 149623425 156916340 162258292 168124650 170998200 173848170 188299608 196145425 199497900 201749580 202822865 205112073 208617804 224166200 231797560 235374510 239397480 243387438 252186975 260772255 273482764 282449412 289746950 299246850 313832680 324516584 336249300 341853455 347696340 353061765 365081157 392290850 398995800 403499160 405645730 410224146 417235608 434620425 470749020 478594837 486774876 504373950 521544510 546965528 564898824 579493900 588436275 598493700 608468595 615336219 672498600 683706910 695392680 706123530 730162314 784581700 811291460 820448292 869240850 941498040 957189674 973549752 1008747900 1014114325 1025560365 1043089020 1158987800 1176872550 1196987400 1216937190 1230672438 1303861275 1367413820 1412247060 1435784511 1460324628 1569163400 1622582920 1640896584 1709267275 1738481700 1765308825 1825405785 1914379348 2017495800 2028228650 2051120730 2086178040 2353745100 2392974185 2433874380 2461344876 2607722550 2734827640 2824494120 2871569022 2920649256 3042342975 3076681095 3418534550 3476963400 3530617650 3650811570 3828758696 4056457300 4102241460 4307353533 4707490200 4785948370 4867748760 4922689752 5127801825 5215445100 5743138044 6084685950 6153362190 6837069100 7061235300 7178922555 7301623140 8112914600 8204482920 8614707066 9127028925 9571896740 10255603650 10430890200 11486276088 11964870925 12169371900 12306724380 13674138200 14122470600 14357845110 14603246280 15383405475 17229414132 18254057850 19143793480 20511207300 21536767665 23929741850 24338743800 24613448760 28715690220 30766810950 34458828264 35894612775 36508115700 41022414600 43073535330 47859483700 57431380440 61533621900 71789225550 73016231400 86147070660 95718967400 106477824169 107683838325 123067243800 143578451100 172294141320 212955648338 215367676650 287156902200 319433472507 425911296676 430735353300 532389120845 638866945014 745344769183 851822593352 861470706600 958300417521 1064778241690 1277733890028 1490689538366 1597167362535 1916600835042 2129556483380 2236034307549 2555467780056 2661945604225 2981379076732 3194334725070 3726723845915 3833201670084 4259112966760 4472068615098 4791502087605 5323891208450 5962758153464 6388669450140 6495147274309 6708102922647 7453447691830 7666403340168 7985836812675 8944137230196 9583004175210 10647782416900 11180171537745 12777338900280 12990294548618 13416205845294 14906895383660 15971673625350 17888274460392 18633619229575 19166008350420 19485441822927 21295564833800 22360343075490 23957510438025 25980589097236 26832411690588 29813790767320 31943347250700 32475736371545 33540514613235 37267238459150 38332016700840 38970883645854 44720686150980 45466030920163 47915020876050 51961178194472 53664823381176 55900857688725 58456325468781 63886694501400 64951472743090 67081029226470 74534476918300 77941767291708 89441372301960 90932061840326 95830041752100 97427209114635 111801715377450 116912650937562 129902945486180 134162058452940 136398092760489 149068953836600 155883534583416 162378681857725 167702573066175 181864123680652 191660083504200 194854418229270 223603430754900 227330154600815 233825301875124 259805890972360 268324116905880 272796185520978 292281627343905 324757363715450 335405146132350 363728247361304 389708836458540 409194278281467 447206861509800 454660309201630 467650603750248 487136045573175 545592371041956 584563254687810 649514727430900 670810292264700 681990463802445 779417672917080 818388556562934 909320618403260 974272091146350 1091184742083912 1136650773004075 1169126509375620 1299029454861800 1341620584529400 1363980927604890 1461408136719525 1636777113125868 1818641236806520 1948544182292700 2045971391407335 2273301546008150 2338253018751240 2727961855209780 2922816273439050 3273554226251736 3409952319012225 3897088364585400 4091942782814670 4546603092016300 5455923710419560 5845632546878100 6819904638024450 8183885565629340 9093206184032600 10229856957036675 11691265093756200 13639809276048900 16367771131258680 20459713914073350 27279618552097800 40919427828146700 81838855656293400
- Sum of all divisors σ(n): 319258235212800000
- Sum of proper divisors (its aliquot sum) s(n): 237419379556506600
- 81838855656293400 is an abundant number, because the sum of its proper divisors (237419379556506600) is greater than itself. Its abundance is 155580523900213200
Bases of 81838855656293400
- Binary: 1001000101100000000000001011100000011011111000100000110002
- Hexadecimal: 0x122C0017037C418
- Base-36: MDTGB9L4D20
Squares and roots of 81838855656293400
- 81838855656293400 squared (818388556562934002) is 6697598295131626230835026883560000
- 81838855656293400 cubed (818388556562934003) is 548123780119113921965642720608673356302996504000000
-
The
square root of 81838855656293400 is 286074912.6650105263 -
The
cube root of 81838855656293400 is 434163.3730817501
Scales and comparisons
How big is 81838855656293400?- 81,838,855,656,293,400 seconds is equal to 2,602,222,465 years, 34 weeks, 5 days, 9 hours, 30 minutes.
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To count from 1 to 81,838,855,656,293,400 would take you about seven billion, eight hundred six million, six hundred sixty-seven thousand, three hundred ninety-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 81838855656293400 cubic inches would be around 36180.3 feet tall.
Recreational maths with 81838855656293400
- 81838855656293400 backwards is 00439265655883818
- The number of decimal digits it has is: 17
- The sum of 81838855656293400's digits is 81
- More coming soon!
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The information we have on file for 81838855656293400 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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