819221073021390

Names of 819221073021390

• Cardinal: 819221073021390 can be written as Eight hundred nineteen trillion, two hundred twenty-one billion, seventy-three million, twenty-one thousand, three hundred ninety.

Scientific notation

• Scientific notation: 8.1922107302139 × 10¹⁴

Factors of 819221073021390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 43435654

Divisors of 819221073021390

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 65 78 130 137 195 274 353 390 411 685 706 822 1059 1370 1765 1781 2055 2118 3530 3562 4110 4589 5295 5343 8905 9178 10590 10686 13767 17810 22945 26715 27534 45890 48361 53430 68835 96722 137670 145083 241805 290166 483610 628693 725415 1257386 1450830 1886079 3143465 3772158 6286930 9430395 18860790 43435141 86870282 130305423 217175705 260610846 434351410 564656833 651527115 1129313666 1303054230 1693970499 2823284165 3387940998 5646568330 5950614317 8469852495 11901228634 15332604773 16939704990 17851842951 29753071585 30665209546 35703685902 45997814319 59506143170 76663023865 77357986121 89259214755 91995628638 153326047730 154715972242 178518429510 199323862049 229989071595 232073958363 386789930605 398647724098 459978143190 464147916726 597971586147 773579861210 996619310245 1160369791815 1195943172294 1993238620490 2100566853901 2320739583630 2989857930735 4201133707802 5979715861470 6301700561703 10502834269505 12603401123406 21005668539010 27307369100713 31508502808515 54614738201426 63017005617030 81922107302139 136536845503565 163844214604278 273073691007130 409610536510695 819221073021390
• Sum of all divisors σ(n): 2138868705439872
• Sum of proper divisors (its aliquot sum) s(n): 1319647632418482
• 819221073021390 is an abundant number, because the sum of its proper divisors (1319647632418482) is greater than itself. Its abundance is 500426559397092

Bases of 819221073021390

• Binary: 10111010010001001111000101000011001100100111001110₂
• Hexadecimal: 0x2E913C50CC9CE
• Base-36: 82E0YR7RGU

Squares and roots of 819221073021390

• 819221073021390 squared (819221073021390²) is 671123166482317606503397532100
• 819221073021390 cubed (819221073021390³) is 549798240575157189657561877995621616511619000
• The square root of 819221073021390 is 28622038.2401636449
• The cube root of 819221073021390 is 93569.3699321867

Scales and comparisons

• 819,221,073,021,390 seconds is equal to 26,048,696 years, 5 weeks, 3 days, 4 hours, 36 minutes, 30 seconds.
• To count from 1 to 819,221,073,021,390 would take you about sixty-five million, one hundred twenty-one thousand, seven hundred forty 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 819221073021390 cubic inches would be around 7797.4 feet tall.

Recreational maths with 819221073021390

• 819221073021390 backwards is 093120370122918
• The number of decimal digits it has is: 15
• The sum of 819221073021390's digits is 48
• More coming soon!