813838106844

Names of 813838106844

• Cardinal: 813838106844 can be written as Eight hundred thirteen billion, eight hundred thirty-eight million, one hundred six thousand, eight hundred forty-four.

Scientific notation

• Scientific notation: 8.13838106844 × 10¹¹

Factors of 813838106844

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 461359483

Divisors of 813838106844

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 461359471 922718942 1384078413 1845437884 2768156826 3229516297 4152235239 5536313652 6459032594 8304470478 9688548891 12918065188 16608940956 19377097782 22606614079 29065646673 38754195564 45213228158 58131293346 67819842237 90426456316 116262586692 135639684474 203459526711 271279368948 406919053422 813838106844
• Sum of all divisors σ(n): 2393071581264
• Sum of proper divisors (its aliquot sum) s(n): 1579233474420
• 813838106844 is an abundant number, because the sum of its proper divisors (1579233474420) is greater than itself. Its abundance is 765395367576

Bases of 813838106844

• Binary: 1011110101111100100010000000000011011100₂
• Hexadecimal: 0xBD7C8800DC
• Base-36: ADVE7270

Squares and roots of 813838106844

• 813838106844 squared (813838106844²) is 662332464151425959640336
• 813838106844 cubed (813838106844³) is 539031398726317999936727001380059584
• The square root of 813838106844 is 902129.7616440775
• The cube root of 813838106844 is 9336.3976452899

Scales and comparisons

• 813,838,106,844 seconds is equal to 25,877 years, 27 weeks, 5 days, 12 hours, 47 minutes, 24 seconds.
• To count from 1 to 813,838,106,844 would take you about fifty-one thousand, seven hundred fifty-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 813838106844 cubic inches would be around 778 feet tall.

Recreational maths with 813838106844

• 813838106844 backwards is 448601838318
• The number of decimal digits it has is: 12
• The sum of 813838106844's digits is 54
• More coming soon!