81336002720896

Names of 81336002720896

• Cardinal: 81336002720896 can be written as Eighty-one trillion, three hundred thirty-six billion, two million, seven hundred twenty thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 8.1336002720896 × 10¹³

Factors of 81336002720896

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 135428

Divisors of 81336002720896

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 7 8 11 14 16 17 22 28 32 34 37 44 56 64 68 74 77 88 97 112 119 128 136 148 154 176 187 194 224 238 259 272 296 308 352 374 388 407 448 476 518 544 592 616 629 679 704 748 776 814 896 952 1036 1067 1088 1184 1232 1258 1309 1358 1408 1496 1552 1628 1649 1904 2072 2134 2176 2368 2464 2516 2618 2716 2849 2992 3104 3256 3298 3589 3808 4144 4268 4403 4736 4928 5032 5236 5432 5698 5984 6208 6512 6596 6919 7178 7469 7616 8288 8536 8806 9856 10064 10472 10864 11396 11543 11968 12416 13024 13192 13838 14356 14938 15232 16576 17072 17612 18139 20128 20944 21728 22792 23086 23936 25123 26048 26384 27676 28712 29876 33152 34144 35224 36278 39479 40256 41888 43456 45584 46172 48433 50246 52096 52768 55352 57424 59752 61013 68288 70448 72556 78958 80512 83776 86912 91168 92344 96866 100492 105536 110704 114848 119504 122026 126973 135257 136576 140896 145112 157916 167552 182336 184688 193732 200984 211072 221408 229696 239008 244052 253946 270514 276353 281792 290224 315832 364672 369376 387464 401968 427091 442816 459392 478016 488104 507892 541028 552706 563584 580448 631664 671143 738752 774928 803936 854182 885632 946799 956032 976208 1015784 1082056 1105412 1160896 1263328 1342286 1477504 1487827 1549856 1607872 1708364 1893598 1952416 2031568 2164112 2210824 2299369 2321792 2526656 2684572 2975654 3099712 3215744 3416728 3787196 3904832 4063136 4328224 4421648 4598738 4698001 5004509 5053312 5369144 5951308 6199424 6833456 7574392 7809664 8126272 8656448 8843296 9197476 9396002 10009018 10414789 10738288 11902616 13119929 13666912 15148784 16095583 16252544 17312896 17686592 18394952 18792004 20018036 20829578 21476576 23805232 25293059 26239858 27333824 30297568 32191166 35031563 35373184 36789904 37584008 40036072 41659156 42953152 47610464 50586118 52479716 54667648 55049599 60595136 64382332 70063126 73579808 75168016 80072144 83318312 85076653 85906304 91839503 95220928 101172236 104959432 110099198 121190272 128764664 140126252 144319219 147159616 150336032 160144288 166636624 170153306 177051413 183679006 190441856 202344472 209918864 220198396 223038793 257529328 280252504 288638438 294319232 300672064 320288576 333273248 340306612 354102826 367358012 385347193 404688944 419837728 440396792 446077586 485437373 515058656 560505008 577276876 595536571 601344128 640577152 666546496 680613224 708205652 734716024 770694386 809377888 839675456 880793584 892155172 935843183 970874746 1010234533 1030117312 1121010016 1154553752 1191073142 1333092992 1361226448 1416411304 1469432048 1541388772 1561271551 1618755776 1679350912 1761587168 1784310344 1871686366 1941749492 2020469066 2060234624 2242020032 2309107504 2382146284 2453426723 2722452896 2832822608 2938864096 3082777544 3122543102 3237511552 3398061611 3523174336 3568620688 3743372732 3883498984 4040938132 4484040064 4618215008 4764292568 4906853446 5339811103 5444905792 5665645216 5877728192 6165555088 6245086204 6550902281 6796123222 7046348672 7137241376 7486745464 7766997968 8081876264 8252435341 9236430016 9528585136 9813706892 10679622206 10889811584 11331290432 11755456384 12331110176 12490172408 13101804562 13592246444 14274482752 14973490928 15533995936 16163752528 16504870682 17173987061 18472860032 19057170272 19627413784 21359244412 22662580864 24662220352 24980344816 26203609124 27184492888 28548965504 29946981856 31067991872 32327505056 33009741364 34347974122 37378677721 38114340544 39254827568 42718488824 49324440704 49960689632 52407218248 54368985776 57767047387 59893963712 62135983744 64655010112 66019482728 68695948244 74757355442 76228681088 78509655136 85436977648 90776788751 99921379264 104814436496 108737971552 115534094774 119787927424 129310020224 132038965456 137391896488 149514710884 157019310272 170873955296 181553577502 199842758528 209628872992 217475943104 231068189548 264077930912 274783792976 299029421768 314038620544 341747910592 363107155004 419257745984 434951886208 462136379096 528155861824 549567585952 598058843536 635437521257 683495821184 726214310008 838515491968 924272758192 1056311723648 1099135171904 1196117687072 1270875042514 1452428620016 1848545516384 2198270343808 2392235374144 2541750085028 2904857240032 3697091032768 4784470748288 5083500170056 5809714480064 7394182065536 10167000340112 11619428960128 20334000680224 40668001360448 81336002720896
• Sum of all divisors σ(n): 221950716986880
• Sum of proper divisors (its aliquot sum) s(n): 140614714265984
• 81336002720896 is an abundant number, because the sum of its proper divisors (140614714265984) is greater than itself. Its abundance is 59278711545088

Bases of 81336002720896

• Binary: 10010011111100110000011100011001011010010000000₂
• Hexadecimal: 0x49F9838CB480
• Base-36: STX8RZIPS

Squares and roots of 81336002720896

• 81336002720896 squared (81336002720896²) is 6615545338613601515275042816
• 81336002720896 cubed (81336002720896³) is 538082013661686742498804790987978897883136
• The square root of 81336002720896 is 9018647.4995365021
• The cube root of 81336002720896 is 43327.2317080449

Scales and comparisons

• 81,336,002,720,896 seconds is equal to 2,586,233 years, 15 weeks, 3 days, 9 hours, 8 minutes, 16 seconds.
• To count from 1 to 81,336,002,720,896 would take you about six million, four hundred sixty-five thousand, five hundred eighty-three 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 81336002720896 cubic inches would be around 3610.6 feet tall.

Recreational maths with 81336002720896

• 81336002720896 backwards is 69802720063318
• The number of decimal digits it has is: 14
• The sum of 81336002720896's digits is 55
• More coming soon!