813156388340

Names of 813156388340

• Cardinal: 813156388340 can be written as Eight hundred thirteen billion, one hundred fifty-six million, three hundred eighty-eight thousand, three hundred forty.

Scientific notation

• Scientific notation: 8.1315638834 × 10¹¹

Factors of 813156388340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 22711

Divisors of 813156388340

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 20 23 29 46 58 92 115 116 145 230 290 460 580 667 1334 2668 3121 3335 6242 6670 12484 13340 15605 19531 31210 39062 62420 71783 78124 90509 97655 143566 181018 195310 287132 358915 362036 390620 449213 452545 566399 717830 898426 905090 1132798 1435660 1796852 1810180 2081707 2246065 2265596 2831995 4163414 4492130 5663990 8326828 8984260 10408535 11327980 13027177 20817070 26054354 41634140 52108708 60956251 65135885 121912502 130271770 243825004 260543540 304781255 609562510 1219125020 1401993773 1767731279 2803987546 3535462558 5607975092 7009968865 7070925116 8838656395 14019937730 17677312790 28039875460 35354625580 40657819417 81315638834 162631277668 203289097085 406578194170 813156388340
• Sum of all divisors σ(n): 1844002056960
• Sum of proper divisors (its aliquot sum) s(n): 1030845668620
• 813156388340 is an abundant number, because the sum of its proper divisors (1030845668620) is greater than itself. Its abundance is 217689280280

Bases of 813156388340

• Binary: 1011110101010011111001011100110111110100₂
• Hexadecimal: 0xBD53E5CDF4
• Base-36: ADK4BGTW

Squares and roots of 813156388340

• 813156388340 squared (813156388340²) is 661223311898152887955600
• 813156388340 cubed (813156388340³) is 537677960189315352287116382277704000
• The square root of 813156388340 is 901751.8441012471
• The cube root of 813156388340 is 9333.7900124021

Scales and comparisons

• 813,156,388,340 seconds is equal to 25,855 years, 44 weeks, 4 days, 6 hours, 32 minutes, 20 seconds.
• To count from 1 to 813,156,388,340 would take you about fifty-one thousand, seven hundred eleven 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 813156388340 cubic inches would be around 777.8 feet tall.

Recreational maths with 813156388340

• 813156388340 backwards is 043883651318
• The number of decimal digits it has is: 12
• The sum of 813156388340's digits is 50
• More coming soon!