81427135673504640
81,427,135,673,504,640 is an even composite number composed of five prime numbers multiplied together.
81427135673504640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 81427135673504640:
27 × 3 × 5 × 433 × 8113
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 43 × 43 × 43 × 811 × 811 × 811)See below for interesting mathematical facts about the number 81427135673504640 from the Numbermatics database.
Names of 81427135673504640
- Cardinal: 81427135673504640 can be written as Eighty-one quadrillion, four hundred twenty-seven trillion, one hundred thirty-five billion, six hundred seventy-three million, five hundred four thousand, six hundred forty.
Scientific notation
- Scientific notation: 8.142713567350464 × 1016
Factors of 81427135673504640
Divisors of 81427135673504640
- Number of divisors d(n): 512
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 43 48 60 64 80 86 96 120 128 129 160 172 192 215 240 258 320 344 384 430 480 516 640 645 688 811 860 960 1032 1290 1376 1622 1720 1849 1920 2064 2433 2580 2752 3244 3440 3698 4055 4128 4866 5160 5504 5547 6488 6880 7396 8110 8256 9245 9732 10320 11094 12165 12976 13760 14792 16220 16512 18490 19464 20640 22188 24330 25952 27520 27735 29584 32440 34873 36980 38928 41280 44376 48660 51904 55470 59168 64880 69746 73960 77856 79507 82560 88752 97320 103808 104619 110940 118336 129760 139492 147920 155712 159014 174365 177504 194640 209238 221880 236672 238521 259520 278984 295840 311424 318028 348730 355008 389280 397535 418476 443760 477042 519040 523095 557968 591680 636056 657721 697460 710016 778560 795070 836952 887520 954084 1046190 1115936 1183360 1192605 1272112 1315442 1394920 1499539 1557120 1590140 1673904 1775040 1908168 1973163 2092380 2231872 2385210 2544224 2630884 2789840 2999078 3180280 3288605 3347808 3550080 3816336 3946326 4184760 4463744 4498617 4770420 5088448 5261768 5579680 5998156 6360560 6577210 6695616 7497695 7632672 7892652 8369520 8997234 9540840 9865815 10176896 10523536 11159360 11996312 12721120 13154420 13391232 14995390 15265344 15785304 16739040 17994468 19081680 19731630 21047072 22318720 22493085 23992624 25442240 26308840 28282003 29990780 30530688 31570608 33478080 35988936 38163360 39463260 42094144 44986170 47985248 50884480 52617680 56564006 59981560 63141216 64480177 66956160 71977872 76326720 78926520 84188288 84846009 89972340 95970496 105235360 113128012 119963120 126282432 128960354 141410015 143955744 152653440 157853040 169692018 179944680 191940992 193440531 210470720 226256024 239926240 252564864 257920708 282820030 287911488 315706080 322400885 339384036 359889360 386881062 420941440 424230045 452512048 479852480 515841416 533411731 565640060 575822976 631412160 644801770 678768072 719778720 773762124 848460090 905024096 959704960 967202655 1031682832 1066823462 1131280120 1216126129 1262824320 1289603540 1357536144 1439557440 1547524248 1600235193 1696920180 1810048192 1934405310 2063365664 2133646924 2262560240 2432252258 2579207080 2667058655 2715072288 2879114880 3095048496 3200470386 3393840360 3620096384 3648378387 3868810620 4126731328 4267293848 4525120480 4864504516 5158414160 5334117310 5430144576 6080630645 6190096992 6400940772 6787680720 7296756774 7737621240 8001175965 8253462656 8534587696 9050240960 9729009032 10316828320 10668234620 10860289152 12161261290 12380193984 12801881544 13575361440 14593513548 15475242480 16002351930 17069175392 18100481920 18241891935 19458018064 20633656640 21336469240 22936704433 24322522580 24760387968 25603763088 27150722880 29187027096 30950484960 32004703860 34138350784 36483783870 38916036128 41267313280 42672938480 45873408866 48645045160 51207526176 52293423547 54301445760 58374054192 61900969920 64009407720 68276701568 68810113299 72967567740 77832072256 85345876960 91746817732 97290090320 102415052352 104586847094 114683522165 116748108384 123801939840 128018815440 137620226598 145935135480 155664144512 156880270641 170691753920 183493635464 194580180640 204830104704 209173694188 229367044330 233496216768 256037630880 261467117735 275240453196 291870270960 313760541282 341383507840 344050566495 366987270928 389160361280 418347388376 458734088660 466992433536 512075261760 522934235470 550480906392 583740541920 627521082564 688101132990 733974541856 778320722560 784401353205 836694776752 917468177320 986278290619 1024150523520 1045868470940 1100961812784 1167481083840 1255042165128 1376202265980 1467949083712 1568802706410 1673389553504 1834936354640 1972556581238 2091736941880 2201923625568 2334962167680 2510084330256 2752404531960 2935898167424 2958834871857 3137605412820 3346779107008 3669872709280 3945113162476 4183473883760 4403847251136 4931391453095 5020168660512 5504809063920 5917669743714 6275210825640 6693558214016 7339745418560 7890226324952 8366947767520 8807694502272 9862782906190 10040337321024 11009618127840 11835339487428 12550421651280 14679490837120 14794174359285 15780452649904 16733895535040 19725565812380 20080674642048 22019236255680 23670678974856 25100843302560 29588348718570 31560905299808 33467791070080 39451131624760 42409966496617 44038472511360 47341357949712 50201686605120 59176697437140 63121810599616 78902263249520 84819932993234 94682715899424 100403373210240 118353394874280 126243621199232 127229899489851 157804526499040 169639865986468 189365431798848 212049832483085 236706789748560 254459798979702 315609052998080 339279731972936 378730863597696 424099664966170 473413579497120 508919597959404 631218105996160 636149497449255 678559463945872 848199329932340 946827158994240 1017839195918808 1272298994898510 1357118927891744 1696398659864680 1893654317988480 2035678391837616 2544597989797020 2714237855783488 3392797319729360 4071356783675232 5089195979594040 5428475711566976 6785594639458720 8142713567350464 10178391959188080 13571189278917440 16285427134700928 20356783918376160 27142378557834880 40713567836752320 81427135673504640
- Sum of all divisors σ(n): 266056715276352000
- Sum of proper divisors (its aliquot sum) s(n): 184629579602847360
- 81427135673504640 is an abundant number, because the sum of its proper divisors (184629579602847360) is greater than itself. Its abundance is 103202443929342720
Bases of 81427135673504640
- Binary: 1001000010100100110001100011010001110010110010011100000002
- Hexadecimal: 0x121498C68E59380
- Base-36: M9RIDPTNW5C
Squares and roots of 81427135673504640
- 81427135673504640 squared (814271356735046402) is 6630378423991331942421300101529600
- 81427135673504640 cubed (814271356735046403) is 539892723497020058419400813243722898908656697344000
-
The
square root of 81427135673504640 is 285354403.6343309001 -
The
cube root of 81427135673504640 is 433434.0767205157
Scales and comparisons
How big is 81427135673504640?- 81,427,135,673,504,640 seconds is equal to 2,589,131,043 years, 38 weeks, 6 days, 19 hours, 44 minutes.
-
To count from 1 to 81,427,135,673,504,640 would take you about seven billion, seven hundred sixty-seven million, three hundred ninety-three thousand, one hundred thirty-one 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 81427135673504640 cubic inches would be around 36119.5 feet tall.
Recreational maths with 81427135673504640
- 81427135673504640 backwards is 04640537653172418
- The number of decimal digits it has is: 17
- The sum of 81427135673504640's digits is 66
- More coming soon!
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The information we have on file for 81427135673504640 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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