813939871665168

Names of 813939871665168

• Cardinal: 813939871665168 can be written as Eight hundred thirteen trillion, nine hundred thirty-nine billion, eight hundred seventy-one million, six hundred sixty-five thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 8.13939871665168 × 10¹⁴

Factors of 813939871665168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 912

Divisors of 813939871665168

• Number of divisors d(n): 630
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 48 51 54 68 72 79 81 102 108 136 144 153 158 162 204 216 237 243 272 306 316 324 408 432 459 474 486 612 632 648 711 729 811 816 918 948 972 1224 1264 1296 1343 1377 1422 1458 1622 1836 1896 1944 2133 2433 2448 2686 2754 2844 2916 3244 3672 3792 3888 4029 4131 4266 4866 5372 5508 5688 5832 6241 6399 6488 7299 7344 8058 8262 8532 9732 10744 11016 11376 11664 12087 12393 12482 12798 12976 13787 14598 16116 16524 17064 18723 19197 19464 21488 21897 22032 24174 24786 24964 25596 27574 29196 32232 33048 34128 36261 37446 38394 38928 41361 43794 48348 49572 49928 51192 55148 56169 57591 58392 64069 64464 65691 66096 72522 74892 76788 82722 87588 96696 99144 99856 102384 106097 108783 110296 112338 115182 116784 124083 128138 131382 145044 149784 153576 165444 168507 175176 192207 193392 197073 198288 212194 217566 220592 224676 230364 248166 256276 262764 290088 299568 307152 318291 326349 330888 337014 350352 372249 384414 394146 424388 435132 449352 460728 496332 505521 512552 525528 576621 580176 591219 636582 652698 657721 661776 674028 744498 768828 788292 848776 870264 898704 921456 954873 979047 992664 1011042 1025104 1051056 1089173 1116747 1153242 1182438 1273164 1305396 1315442 1348056 1488996 1516563 1537656 1576584 1697552 1729863 1740528 1909746 1958094 1973163 1985328 2022084 2178346 2233494 2306484 2364876 2546328 2610792 2630884 2696112 2864619 2977992 3033126 3075312 3153168 3267519 3350241 3459726 3819492 3916188 3946326 4044168 4356692 4466988 4549689 4612968 4729752 5061451 5092656 5189589 5221584 5261768 5729238 5919489 5955984 6066252 6535038 6700482 6919452 7638984 7832376 7892652 8088336 8593857 8713384 8933976 9099378 9225936 9459504 9802557 10050723 10122902 10379178 10523536 11181257 11458476 11838978 12132504 13070076 13400964 13838904 15184353 15277968 15568767 15664752 15785304 17187714 17426768 17758467 17867952 18198756 19605114 20101446 20245804 20758356 22362514 22916952 23677956 24265008 25781571 26140152 26801928 27677808 29407671 30368706 31137534 31570608 33543771 34375428 35516934 36397512 39210228 40202892 40491608 41516712 44725028 45553059 45833904 46706301 47355912 51563142 51959959 52280304 53275401 53603856 58815342 60737412 62275068 67087542 68750856 71033868 72795024 77344713 78420456 80405784 80983216 83033424 86044667 88223013 89450056 91106118 93412602 94711824 100631313 103126284 103919918 106550802 117630684 121474824 124550136 134175084 136659177 137501712 142067736 154689426 155879877 156840912 159826203 160811568 172089334 176446026 178900112 182212236 186825204 201262626 206252568 207839836 213101604 235261368 242949648 249100272 258134001 264669039 268350168 273318354 284135472 301893939 309378852 311759754 319652406 344178668 352892052 364424472 373650408 402525252 409977531 412505136 415679672 426203208 467639631 470522736 479478609 516268002 529338078 536700336 546636708 603787878 618757704 623519508 639304812 688357336 705784104 728848944 747300816 774402003 794007117 805050504 819955062 831359344 852406416 883319303 905681817 935279262 958957218 1032536004 1058676156 1093273416 1207575756 1229932593 1237515408 1247039016 1278609624 1376714672 1402918893 1411568208 1548804006 1588014234 1610101008 1639910124 1766638606 1811363634 1870558524 1917914436 2065072008 2117352312 2186546832 2323206009 2415151512 2459865186 2494078032 2557219248 2649957909 2717045451 2805837786 3097608012 3176028468 3279820248 3533277212 3622727268 3689797779 3741117048 3835828872 4104836761 4130144016 4208756679 4234704624 4646412018 4830303024 4919730372 5299915818 5434090902 5611675572 6195216024 6352056936 6559640496 6969618027 7066554424 7245454536 7379595558 7482234096 7671657744 7949873727 8151136353 8209673522 8417513358 9292824036 9839460744 10599831636 10868181804 11223351144 12314510283 12390432048 12626270037 12704113872 13939236054 14133108848 14490909072 14759191116 15899747454 16302272706 16419347044 16835026716 18585648072 19678921488 20908854081 21199663272 21736363608 22446702288 23849621181 24629020566 25252540074 27878472108 29518382232 31799494908 32604545412 32838694088 33670053432 36943530849 37171296144 37878810111 41817708162 42399326544 43472727216 47699242362 49258041132 50505080148 55756944216 59036764464 62726562243 63598989816 65209090824 65677388176 67340106864 69782224937 71548863543 73887061698 75757620222 83635416324 95398484724 98516082264 101010160296 110830592547 111513888432 125453124486 127197979632 130418181648 139564449874 143097727086 147774123396 151515240444 167270832648 190796969448 197032164528 202020320592 209346674811 214646590629 221661185094 250906248972 279128899748 286195454172 295548246792 303030480888 332491777641 334541665296 381593938896 418693349622 429293181258 443322370188 501812497944 558257799496 572390908344 591096493584 606060961776 628040024433 643939771887 664983555282 837386699244 858586362516 886644740376 997475332923 1003624995888 1116515598992 1144781816688 1256080048866 1287879543774 1329967110564 1674773398488 1717172725032 1773289480752 1884120073299 1994950665846 2512160097732 2575759087548 2659934221128 2992425998769 3349546796976 3434345450064 3768240146598 3989901331692 5024320195464 5151518175096 5319868442256 5652360219897 5984851997538 7536480293196 7979802663384 10048640390928 10303036350192 11304720439794 11969703995076 15072960586392 15959605326768 16957080659691 22609440879588 23939407990152 30145921172784 33914161319382 45218881759176 47878815980304 50871241979073 67828322638764 90437763518352 101742483958146 135656645277528 203484967916292 271313290555056 406969935832584 813939871665168
• Sum of all divisors σ(n): 2538736892498142
• Sum of proper divisors (its aliquot sum) s(n): 1724797020832974
• 813939871665168 is an abundant number, because the sum of its proper divisors (1724797020832974) is greater than itself. Its abundance is 910857149167806

Bases of 813939871665168

• Binary: 10111001000100011000100100111010110100110000010000₂
• Hexadecimal: 0x2E44624EB4C10
• Base-36: 80IMTCA900

Squares and roots of 813939871665168

• 813939871665168 squared (813939871665168²) is 662498114686310153669104468224
• 813939871665168 cubed (813939871665168³) is 539233630446191037893084619847537040023621632
• The square root of 813939871665168 is 28529631.4673913725
• The cube root of 813939871665168 is 93367.8677970109

Scales and comparisons

• 813,939,871,665,168 seconds is equal to 25,880,770 years, 12 weeks, 2 days, 11 hours, 52 minutes, 48 seconds.
• To count from 1 to 813,939,871,665,168 would take you about sixty-four million, seven hundred one thousand, nine hundred twenty-five 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 813939871665168 cubic inches would be around 7780.7 feet tall.

Recreational maths with 813939871665168

• 813939871665168 backwards is 861566178939318
• 813939871665168 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 813939871665168's digits is 81
• More coming soon!