16213988202747991

Names of 16213988202747991

• Cardinal: 16213988202747991 can be written as Sixteen quadrillion, two hundred thirteen trillion, nine hundred eighty-eight billion, two hundred two million, seven hundred forty-seven thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.6213988202747991 × 10¹⁶

Factors of 16213988202747991

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 39241233

Divisors of 16213988202747991

• Number of divisors d(n): 8
• Complete list of divisors:
  1 97 4862107 34379029 471624379 3334765813 167154517554103 16213988202747991
• Sum of all divisors σ(n): 16381146565933520
• Sum of proper divisors (its aliquot sum) s(n): 167158363185529
• 16213988202747991 is a deficient number, because the sum of its proper divisors (167158363185529) is less than itself. Its deficiency is 16046829839562462

Bases of 16213988202747991

• Binary: 111001100110101000100101001111001101111001100001010111₂
• Hexadecimal: 0x399A894F379857
• Base-36: 4FNDNCN59W7

Squares and roots of 16213988202747991

• 16213988202747991 squared (16213988202747991²) is 262893413438851027302963854536081
• 16213988202747991 cubed (16213988202747991³) is 4262550704077680712337375435843832753834659763271
• The square root of 16213988202747991 is 127334159.6067135121
• The cube root of 16213988202747991 is 253102.6064608135

Scales and comparisons

• 16,213,988,202,747,991 seconds is equal to 515,554,671 years, 35 weeks, 5 days, 18 hours, 26 minutes, 31 seconds.
• To count from 1 to 16,213,988,202,747,991 would take you about one billion, five hundred forty-six million, six hundred sixty-four thousand and fifteen 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 16213988202747991 cubic inches would be around 21091.9 feet tall.

Recreational maths with 16213988202747991

• 16213988202747991 backwards is 19974720288931261
• The number of decimal digits it has is: 17
• The sum of 16213988202747991's digits is 79
• More coming soon!