813311965729331740

Names of 813311965729331740

• Cardinal: 813311965729331740 can be written as Eight hundred thirteen quadrillion, three hundred eleven trillion, nine hundred sixty-five billion, seven hundred twenty-nine million, three hundred thirty-one thousand, seven hundred forty.

Scientific notation

• Scientific notation: 8.1331196572933174 × 10¹⁷

Factors of 813311965729331740

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 829910169111577

Divisors of 813311965729331740

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 829910169111563 1659820338223126 3319640676446252 4149550845557815 5809371183780941 8299101691115630 11618742367561882 16598203382231260 23237484735123764 29046855918904705 40665598286466587 58093711837809410 81331196572933174 116187423675618820 162662393145866348 203327991432332935 406655982864665870 813311965729331740
• Sum of all divisors σ(n): 1986804944853084216
• Sum of proper divisors (its aliquot sum) s(n): 1173492979123752476
• 813311965729331740 is an abundant number, because the sum of its proper divisors (1173492979123752476) is greater than itself. Its abundance is 360181013394420736

Bases of 813311965729331740

• Binary: 101101001001011101101110110001111000110111110001101000011100₂
• Hexadecimal: 0xB4976EC78DF1A1C
• Base-36: 66G71312KQOS

Squares and roots of 813311965729331740

• 813311965729331740 squared (813311965729331740²) is 661476353598509686724462986971427600
• 813311965729331740 cubed (813311965729331740³) is 537986633428674434320263736729108671064702621792024000
• The square root of 813311965729331740 is 901838103.9462303291
• The cube root of 813311965729331740 is 933438.5237832229

Scales and comparisons

• 813,311,965,729,331,740 seconds is equal to 25,860,804,771 years, 5 weeks, 3 days, 1 hour, 55 minutes, 40 seconds.
• To count from 1 to 813,311,965,729,331,740 would take you about seventy-seven billion, five hundred eighty-two million, four hundred fourteen thousand, three hundred thirteen 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 813311965729331740 cubic inches would be around 77786.5 feet tall.

Recreational maths with 813311965729331740

• 813311965729331740 backwards is 047133927569113318
• The number of decimal digits it has is: 18
• The sum of 813311965729331740's digits is 73
• More coming soon!