13387323236855481

Names of 13387323236855481

• Cardinal: 13387323236855481 can be written as Thirteen quadrillion, three hundred eighty-seven trillion, three hundred twenty-three billion, two hundred thirty-six million, eight hundred fifty-five thousand, four hundred eighty-one.

Scientific notation

• Scientific notation: 1.3387323236855481 × 10¹⁶

Factors of 13387323236855481

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1890080220

Divisors of 13387323236855481

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 9 19 27 57 171 513 13807 41421 124263 262333 372789 786999 2360997 7082991 1890066391 5670199173 17010597519 35911261429 51031792557 107733784287 323201352861 969604058583 26096146660537 78288439981611 234865319944833 495826786550203 704595959834499 1487480359650609 4462441078951827 13387323236855481
• Sum of all divisors σ(n): 20878429392588800
• Sum of proper divisors (its aliquot sum) s(n): 7491106155733319
• 13387323236855481 is a deficient number, because the sum of its proper divisors (7491106155733319) is less than itself. Its deficiency is 5896217081122162

Bases of 13387323236855481

• Binary: 101111100011111011001100010110000001101010111010111001₂
• Hexadecimal: 0x2F8FB31606AEB9
• Base-36: 3NTERE4S3W9

Squares and roots of 13387323236855481

• 13387323236855481 squared (13387323236855481²) is 179220423448050713035244879741361
• 13387323236855481 cubed (13387323236855481³) is 2399281739345168216594863737549652110530215249641
• The square root of 13387323236855481 is 115703600.7946834859
• The cube root of 13387323236855481 is 237445.8498115083

Scales and comparisons

• 13,387,323,236,855,481 seconds is equal to 425,675,469 years, 11 weeks, 3 days, 22 hours, 31 minutes, 21 seconds.
• To count from 1 to 13,387,323,236,855,481 would take you about one billion, two hundred seventy-seven million, twenty-six thousand, four hundred seven 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 13387323236855481 cubic inches would be around 19787.2 feet tall.

Recreational maths with 13387323236855481

• 13387323236855481 backwards is 18455863232378331
• The number of decimal digits it has is: 17
• The sum of 13387323236855481's digits is 72
• More coming soon!