31403392945952721

Names of 31403392945952721

• Cardinal: 31403392945952721 can be written as Thirty-one quadrillion, four hundred three trillion, three hundred ninety-two billion, nine hundred forty-five million, nine hundred fifty-two thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 3.1403392945952721 × 10¹⁶

Factors of 31403392945952721

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 35726271838695

Divisors of 31403392945952721

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 293 879 35726271838399 107178815515197 10467797648650907 31403392945952721
• Sum of all divisors σ(n): 42014095681958400
• Sum of proper divisors (its aliquot sum) s(n): 10610702736005679
• 31403392945952721 is a deficient number, because the sum of its proper divisors (10610702736005679) is less than itself. Its deficiency is 20792690209947042

Bases of 31403392945952721

• Binary: 1101111100100010011100000110001010010010001011111010001₂
• Hexadecimal: 0x6F9138314917D1
• Base-36: 8L7KNK4FWSX

Squares and roots of 31403392945952721

• 31403392945952721 squared (31403392945952721²) is 986173088517913116885814367303841
• 31403392945952721 cubed (31403392945952721³) is 30969181011451841092000817975401649080633827701361
• The square root of 31403392945952721 is 177210024.9589529317
• The cube root of 31403392945952721 is 315494.7895290475

Scales and comparisons

• 31,403,392,945,952,721 seconds is equal to 998,530,758 years, 31 weeks, 4 days, 17 hours, 5 minutes, 21 seconds.
• To count from 1 to 31,403,392,945,952,721 would take you about two billion, nine hundred ninety-five million, five hundred ninety-two thousand, two hundred seventy-five 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 31403392945952721 cubic inches would be around 26291.2 feet tall.

Recreational maths with 31403392945952721

• 31403392945952721 backwards is 12725954929330413
• The number of decimal digits it has is: 17
• The sum of 31403392945952721's digits is 69
• More coming soon!