16031621838513681

Names of 16031621838513681

• Cardinal: 16031621838513681 can be written as Sixteen quadrillion, thirty-one trillion, six hundred twenty-one billion, eight hundred thirty-eight million, five hundred thirteen thousand, six hundred eighty-one.

Scientific notation

• Scientific notation: 1.6031621838513681 × 10¹⁶

Factors of 16031621838513681

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1563164

Divisors of 16031621838513681

• Number of divisors d(n): 27
• Complete list of divisors:
  1 3 9 27 81 243 729 2187 6561 1563161 4689483 14068449 42205347 126616041 379848123 1139544369 3418633107 10255899321 2443472311921 7330416935763 21991250807289 65973752421867 197921257265601 593763771796803 1781291315390409 5343873946171227 16031621838513681
• Sum of all divisors σ(n): 24046226404691803
• Sum of proper divisors (its aliquot sum) s(n): 8014604566178122
• 16031621838513681 is a deficient number, because the sum of its proper divisors (8014604566178122) is less than itself. Its deficiency is 8017017272335559

Bases of 16031621838513681

• Binary: 111000111101001010110011010100110110111010011000010001₂
• Hexadecimal: 0x38F4ACD4DBA611
• Base-36: 4DUQHEEFW29

Squares and roots of 16031621838513681

• 16031621838513681 squared (16031621838513681²) is 257012898773108777318995224169761
• 16031621838513681 cubed (16031621838513681³) is 4120333600750676724471352217859644652587465000241
• 16031621838513681 is a perfect square number. Its square root is 126616041
• The cube root of 16031621838513681 is 252150.1049871513

Scales and comparisons

• 16,031,621,838,513,681 seconds is equal to 509,755,985 years, 20 weeks, 6 days, 12 hours, 1 minute, 21 seconds.
• To count from 1 to 16,031,621,838,513,681 would take you about one billion, five hundred twenty-nine million, two hundred sixty-seven thousand, nine hundred fifty-six 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 16031621838513681 cubic inches would be around 21012.5 feet tall.

Recreational maths with 16031621838513681

• 16031621838513681 backwards is 18631583812613061
• The number of decimal digits it has is: 17
• The sum of 16031621838513681's digits is 63
• More coming soon!