81997055673736

Names of 81997055673736

• Cardinal: 81997055673736 can be written as Eighty-one trillion, nine hundred ninety-seven billion, fifty-five million, six hundred seventy-three thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 8.1997055673736 × 10¹³

Factors of 81997055673736

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4109

Divisors of 81997055673736

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 7 8 14 19 28 31 38 49 56 62 76 98 124 133 152 196 217 248 266 343 361 392 434 532 589 686 722 829 868 931 1064 1178 1372 1444 1519 1658 1736 1862 2356 2527 2744 2888 3038 3221 3316 3724 4123 4712 5054 5803 6076 6442 6517 6632 7448 8246 10108 10633 11191 11606 12152 12884 13034 15751 16492 17689 20216 21266 22382 22547 23212 25699 25768 26068 28861 31502 32984 35378 40621 42532 44764 45094 46424 51398 52136 57722 61199 63004 70756 78337 81242 85064 89528 90188 99851 102796 110257 115444 122398 123823 126008 141512 156674 157829 162484 179893 180376 199702 202027 205592 220514 230888 244796 247646 284347 299269 313348 315658 324968 359786 399404 404054 428393 441028 488281 489592 495292 548359 568694 598538 626696 631316 698957 719572 771799 798808 808108 856786 882056 976562 990584 1096718 1104803 1137388 1162781 1197076 1259251 1262632 1397914 1439144 1543598 1616216 1713572 1897169 1953124 2094883 2193436 2209606 2274776 2325562 2394152 2518502 2670209 2795828 2998751 3087196 3417967 3427144 3794338 3838513 3906248 4189766 4386872 4419212 4651124 4892699 5037004 5340418 5402593 5591656 5997502 6174392 6835934 7588676 7677026 8139467 8379532 8814757 8838424 9277339 9302248 9785398 10074008 10680836 10805186 11995004 13280183 13671868 14664181 15177352 15354052 16278934 16759064 17629514 18554678 18691463 19570796 20991257 21361672 21610372 23925769 23990008 26560366 27343736 29328362 30708104 32557868 34248893 35259028 36046211 37109356 37382926 39141592 41982514 43220744 47851538 50733971 53120732 56976269 58656724 64941373 65115736 68497786 70518056 72092422 74218712 74765852 82776479 83965028 92961281 95703076 101467942 102649267 106241464 113952538 117313448 129882746 130840241 136995572 144184844 149531704 165552958 167480383 167930056 185922562 191406152 202935884 205298534 227905076 252323477 259765492 261680482 273991144 288369688 331105916 334960766 355137797 371845124 398833883 405871768 410597068 454589611 455810152 504646954 519530984 523360964 579435353 650728967 662211832 669921532 710275594 743690248 797667766 821194136 909179222 915881687 963945449 1009293908 1046721928 1158870706 1301457934 1339843064 1420551188 1572753101 1595335532 1766264339 1818358444 1831763374 1927890898 2018587816 2317741412 2485964579 2602915868 2841102376 3145506202 3182127277 3190671064 3532528678 3636716888 3663526748 3855781796 4056047471 4635482824 4971929158 5205831736 6291012404 6364254554 6747618143 7065057356 7327053496 7711563592 8112094942 9943858316 11009271707 12363850373 12582024808 12728509108 13495236286 14130114712 16224189884 17401752053 19887716632 22018543414 24727700746 25457018216 26990472572 28392332297 29882308919 32448379768 34803504106 44037086828 47233327001 49455401492 53980945144 56784664594 59764617838 69607008212 77064901949 88074173656 94466654002 98910802984 113569329188 119529235676 139214016424 154129803898 188933308004 209176162433 227138658376 239058471352 308259607796 330633289007 377866616008 418352324866 539454313643 616519215592 661266578014 836704649732 1078908627286 1322533156028 1464233137031 1673409299464 2157817254572 2645066312056 2928466274062 4315634509144 5856932548124 10249631959217 11713865096248 20499263918434 40998527836868 81997055673736
• Sum of all divisors σ(n): 195627467520000
• Sum of proper divisors (its aliquot sum) s(n): 113630411846264
• 81997055673736 is an abundant number, because the sum of its proper divisors (113630411846264) is greater than itself. Its abundance is 31633356172528

Bases of 81997055673736

• Binary: 10010101001001101101101011000000100010110001000₂
• Hexadecimal: 0x4A936D604588
• Base-36: T2CXDUHL4

Squares and roots of 81997055673736

• 81997055673736 squared (81997055673736²) is 6723517139161761148880197696
• 81997055673736 cubed (81997055673736³) is 551308609183165126091881068291734154912256
• The square root of 81997055673736 is 9055222.5634567371
• The cube root of 81997055673736 is 43444.2948689039

Scales and comparisons

• 81,997,055,673,736 seconds is equal to 2,607,252 years, 38 weeks, 2 days, 5 hours, 22 minutes, 16 seconds.
• To count from 1 to 81,997,055,673,736 would take you about six million, five hundred eighteen 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 81997055673736 cubic inches would be around 3620.4 feet tall.

Recreational maths with 81997055673736

• 81997055673736 backwards is 63737655079918
• 81997055673736 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81997055673736's digits is 76
• More coming soon!