13945647010872721

Names of 13945647010872721

• Cardinal: 13945647010872721 can be written as Thirteen quadrillion, nine hundred forty-five trillion, six hundred forty-seven billion, ten million, eight hundred seventy-two thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.3945647010872721 × 10¹⁶

Factors of 13945647010872721

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10867

Divisors of 13945647010872721

• Number of divisors d(n): 3
• Complete list of divisors:
  1 10867 118091689
• Sum of all divisors σ(n): 13945647010883589
• Sum of proper divisors (its aliquot sum) s(n): 10868
• 13945647010872721 is a deficient number, because the sum of its proper divisors (10868) is less than itself. Its deficiency is 13945647010861853

Bases of 13945647010872721

• Binary: 110001100010110111110111111000001111101111110110010001₂
• Hexadecimal: 0x318B7DF83EFD91
• Base-36: 3TBBHSKC61D

Squares and roots of 13945647010872721

• 13945647010872721 squared (13945647010872721²) is 194481070551863258109190061943841
• 13945647010872721 cubed (13945647010872721³) is 2712164360212918609752377295349151489615100861361
• 13945647010872721 is a perfect square number. Its square root is 118091689
• The cube root of 13945647010872721 is 240701.9208689167

Scales and comparisons

• 13,945,647,010,872,721 seconds is equal to 443,428,438 years, 11 weeks, 5 days, 17 hours, 32 minutes, 1 second.
• To count from 1 to 13,945,647,010,872,721 would take you about one billion, three hundred thirty million, two hundred eighty-five thousand, three hundred fourteen 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 13945647010872721 cubic inches would be around 20058.5 feet tall.

Recreational maths with 13945647010872721

• 13945647010872721 backwards is 12727801074654931
• The number of decimal digits it has is: 17
• The sum of 13945647010872721's digits is 67
• More coming soon!