68090040018

Names of 68090040018

• Cardinal: 68090040018 can be written as Sixty-eight billion, ninety million, forty thousand and eighteen.

Scientific notation

• Scientific notation: 6.8090040018 × 10¹⁰

Factors of 68090040018

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2192

Divisors of 68090040018

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 11 13 14 18 21 22 26 27 33 39 42 54 63 66 67 77 78 81 91 99 117 126 134 143 154 162 182 189 198 201 231 234 243 273 286 297 351 378 402 429 462 469 486 546 567 594 603 693 702 737 819 858 871 891 938 1001 1053 1134 1206 1287 1386 1407 1474 1638 1701 1742 1782 1809 2002 2079 2089 2106 2211 2457 2574 2613 2673 2814 3003 3159 3402 3618 3861 4158 4178 4221 4422 4914 5159 5226 5346 5427 6006 6097 6237 6267 6318 6633 7371 7722 7839 8442 9009 9581 10318 10854 11583 12194 12474 12534 12663 13266 14623 14742 15477 15678 16281 18018 18291 18711 18801 19162 19899 22113 22979 23166 23517 25326 27027 27157 28743 29246 30954 32562 34749 36582 37422 37602 37989 39798 43869 44226 45958 46431 47034 54054 54314 54873 56403 57486 59697 67067 68937 69498 70551 75978 81081 81471 86229 87738 92862 109746 112806 113967 119394 131607 134134 137874 139293 139963 141102 160853 162162 162942 164619 169209 172458 179091 190099 201201 206811 211653 227934 243243 244413 258687 263214 278586 279926 298727 321706 329238 338418 358182 380198 394821 402402 413622 417879 419889 423306 482559 486486 488826 493857 507627 517374 570297 597454 603603 620433 733239 776061 789642 835758 839778 896181 965118 979741 987714 1015254 1140594 1184463 1207206 1240866 1253637 1259667 1447677 1466478 1481571 1539593 1552122 1710891 1792362 1810809 1819519 1861299 1959482 2091089 2199717 2328183 2368926 2507274 2519334 2688543 2895354 2939223 2963142 3079186 3421782 3553389 3621618 3639038 3722598 3779001 4182178 4343031 4399434 4618779 4656366 5132673 5377086 5432427 5458557 5583897 5878446 6273267 6599151 7106778 7558002 8065629 8686062 8817669 9237558 10265346 10777151 10864854 10917114 11167794 11337003 12546534 12736633 13029093 13198302 13856337 15398019 16131258 16297281 16375671 17635338 18819801 20014709 21554302 22674006 24196887 25473266 26058186 26453007 27712674 30796038 32331453 32594562 32751342 34011009 37639602 38209899 39087279 40029418 41569011 46194057 48393774 49127013 52906014 56459403 60044127 64662906 68022018 72590661 76419798 78174558 79359021 83138022 92388114 96994359 98254026 112918806 114629697 120088254 124707033 140102963 145181322 147381039 158718042 169378209 180132381 193988718 229259394 238077063 249414066 280205926 290983077 294762078 338756418 343889091 360264762 374121099 420308889 442143117 476154126 508134627 540397143 581966154 687778182 748242198 840617778 872949231 884286234 1016269254 1031667273 1080794286 1260926667 1621191429 1745898462 2063334546 2521853334 2618847693 3095001819 3242382858 3782780001 4863574287 5237695386 6190003638 7565560002 9727148574 11348340003 22696680006 34045020009 68090040018
• Sum of all divisors σ(n): 208582133760
• Sum of proper divisors (its aliquot sum) s(n): 140492093742
• 68090040018 is an abundant number, because the sum of its proper divisors (140492093742) is greater than itself. Its abundance is 72402053724

Bases of 68090040018

• Binary: 111111011010011110111000111011010010₂
• Hexadecimal: 0xFDA7B8ED2
• Base-36: VA31V4I

Squares and roots of 68090040018

• 68090040018 squared (68090040018²) is 4636253549652841440324
• 68090040018 cubed (68090040018³) is 315682689729456523679069918885832
• The square root of 68090040018 is 260940.6829492097
• The cube root of 68090040018 is 4083.4558382321

Scales and comparisons

• 68,090,040,018 seconds is equal to 2,165 years, 2 weeks, 5 days, 4 hours, 18 seconds.
• To count from 1 to 68,090,040,018 would take you about four thousand, three hundred thirty 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 68090040018 cubic inches would be around 340.3 feet tall.

Recreational maths with 68090040018

• 68090040018 backwards is 81004009086
• The number of decimal digits it has is: 11
• The sum of 68090040018's digits is 36
• More coming soon!