813505562397

Names of 813505562397

• Cardinal: 813505562397 can be written as Eight hundred thirteen billion, five hundred five million, five hundred sixty-two thousand, three hundred ninety-seven.

Scientific notation

• Scientific notation: 8.13505562397 × 10¹¹

Factors of 813505562397

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 257367

Divisors of 813505562397

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 11 33 99 113 283 339 849 1017 1243 2547 3113 3729 9339 11187 28017 31979 95937 256957 287811 351769 770871 1055307 2312613 2826527 3165921 8479581 25438743 29036141 72718831 87108423 218156493 261325269 319397551 654469479 799907141 958192653 2399721423 2874577959 7199164269 8217227903 24651683709 73955051127 90389506933 271168520799 813505562397
• Sum of all divisors σ(n): 1297806464448
• Sum of proper divisors (its aliquot sum) s(n): 484300902051
• 813505562397 is a deficient number, because the sum of its proper divisors (484300902051) is less than itself. Its deficiency is 329204660346

Bases of 813505562397

• Binary: 1011110101101000101101011100011100011101₂
• Hexadecimal: 0xBD68B5C71D
• Base-36: ADPW7H99

Squares and roots of 813505562397

• 813505562397 squared (813505562397²) is 661791300050859260385609
• 813505562397 cubed (813505562397³) is 538370903737316037323090312630344773
• The square root of 813505562397 is 901945.4320506313
• The cube root of 813505562397 is 9335.1258156945

Scales and comparisons

• 813,505,562,397 seconds is equal to 25,866 years, 49 weeks, 6 days, 15 hours, 19 minutes, 57 seconds.
• To count from 1 to 813,505,562,397 would take you about fifty-one thousand, seven hundred thirty-three 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 813505562397 cubic inches would be around 777.9 feet tall.

Recreational maths with 813505562397

• 813505562397 backwards is 793265505318
• The number of decimal digits it has is: 12
• The sum of 813505562397's digits is 54
• More coming soon!