81308643710364

Names of 81308643710364

• Cardinal: 81308643710364 can be written as Eighty-one trillion, three hundred eight billion, six hundred forty-three million, seven hundred ten thousand, three hundred sixty-four.

Scientific notation

• Scientific notation: 8.1308643710364 × 10¹³

Factors of 81308643710364

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 330

Divisors of 81308643710364

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 107 108 126 189 211 214 252 321 378 422 428 633 642 749 756 844 963 1266 1284 1477 1498 1899 1926 2247 2532 2889 2954 2996 3798 3852 4431 4494 5697 5778 5908 6741 7596 8862 8988 11394 11449 11556 13293 13482 17724 20223 22577 22788 22898 26586 26964 34347 39879 40446 44521 45154 45796 53172 67731 68694 79758 80143 80892 89042 90308 103041 133563 135462 137388 158039 159516 160286 178084 203193 206082 240429 267126 270924 309123 311647 316078 320572 400689 406386 412164 474117 480858 534252 609579 618246 623294 632156 721287 801378 812772 934941 948234 961716 1202067 1219158 1236492 1246588 1422351 1442574 1602756 1869882 1896468 2163861 2404134 2415739 2438316 2804823 2844702 2885148 3739764 4267053 4327722 4763747 4808268 4831478 5609646 5689404 7247217 8414469 8534106 8655444 9393931 9527494 9662956 11219292 14291241 14494434 16828938 16910173 17068212 18787862 19054988 21741651 28181793 28582482 28988868 33346229 33657876 33820346 37575724 42873723 43483302 50730519 56363586 57164964 65224953 65757517 66692458 67640692 84545379 85747446 86966604 100038687 101461038 112727172 128621169 130449906 131515034 133384916 152191557 169090758 171494892 197272551 200077374 202922076 253636137 257242338 260899812 263030068 300116061 304383114 338181516 394545102 400154748 456574671 507272274 509720929 514484676 591817653 600232122 608766228 789090204 900348183 913149342 1005150617 1014544548 1019441858 1183635306 1200464244 1529162787 1775452959 1800696366 1826298684 2010301234 2038883716 2367270612 3015451851 3058325574 3550905918 3568046503 3601392732 4020602468 4587488361 6030903702 6116651148 7036054319 7101811836 7136093006 9046355553 9174976722 10704139509 12061807404 13762465083 14072108638 14272186012 18092711106 18349953444 21108162957 21408279018 27139066659 27524930166 28144217276 32112418527 36185422212 42216325914 42816558036 54278133318 55049860332 63324488871 64224837054 84432651828 96337255581 107551116019 108556266636 126648977742 128449674108 189973466613 192674511162 215102232038 253297955484 322653348057 379946933226 385349022324 430204464076 645306696114 752857812133 759893866452 967960044171 1290613392228 1505715624266 1935920088342 2258573436399 2903880132513 3011431248532 3871840176684 4517146872798 5807760265026 6775720309197 9034293745596 11615520530052 13551440618394 20327160927591 27102881236788 40654321855182 81308643710364
• Sum of all divisors σ(n): 244345113259520
• Sum of proper divisors (its aliquot sum) s(n): 163036469549156
• 81308643710364 is an abundant number, because the sum of its proper divisors (163036469549156) is greater than itself. Its abundance is 81727825838792

Bases of 81308643710364

• Binary: 10010011111001100100100110100110101010110011100₂
• Hexadecimal: 0x49F324D3559C
• Base-36: STKOB4Z30

Squares and roots of 81308643710364

• 81308643710364 squared (81308643710364²) is 6611095542018915256721012496
• 81308643710364 cubed (81308643710364³) is 537539211961191753466706873061168248708544
• The square root of 81308643710364 is 9017130.5696637221
• The cube root of 81308643710364 is 43322.3731661781

Scales and comparisons

• 81,308,643,710,364 seconds is equal to 2,585,363 years, 19 weeks, 3 hours, 59 minutes, 24 seconds.
• To count from 1 to 81,308,643,710,364 would take you about six million, four hundred sixty-three thousand, four hundred eight 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 81308643710364 cubic inches would be around 3610.2 feet tall.

Recreational maths with 81308643710364

• 81308643710364 backwards is 46301734680318
• 81308643710364 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81308643710364's digits is 54
• More coming soon!