16643840959242121

Names of 16643840959242121

• Cardinal: 16643840959242121 can be written as Sixteen quadrillion, six hundred forty-three trillion, eight hundred forty billion, nine hundred fifty-nine million, two hundred forty-two thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.6643840959242121 × 10¹⁶

Factors of 16643840959242121

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 10061

Divisors of 16643840959242121

• Number of divisors d(n): 27
• Complete list of divisors:
  1 17 289 823 9221 13991 156757 237847 677329 2664869 7588883 11514593 85026841 129011011 195748081 1445456297 2193187187 6245650709 24572757049 69977090143 106176062053 1189610532431 1804993054901 20223379051327 57591145187689 979049468190713 16643840959242121
• Sum of all divisors σ(n): 17703910598113173
• Sum of proper divisors (its aliquot sum) s(n): 1060069638871052
• 16643840959242121 is a deficient number, because the sum of its proper divisors (1060069638871052) is less than itself. Its deficiency is 15583771320371069

Bases of 16643840959242121

• Binary: 111011001000010111110000110100000100101101111110001001₂
• Hexadecimal: 0x3B217C3412DF89
• Base-36: 4JVQYZBW6FD

Squares and roots of 16643840959242121

• 16643840959242121 squared (16643840959242121²) is 277017441876545686514726700578641
• 16643840959242121 cubed (16643840959242121³) is 4610634245529324658693173333946346219827520137561
• 16643840959242121 is a perfect square number. Its square root is 129011011
• The cube root of 16643840959242121 is 255319.8138236919

Scales and comparisons

• 16,643,840,959,242,121 seconds is equal to 529,222,659 years, 37 weeks, 4 days, 9 hours, 2 minutes, 1 second.
• To count from 1 to 16,643,840,959,242,121 would take you about one billion, five hundred eighty-seven million, six hundred sixty-seven thousand, nine hundred seventy-nine 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 16643840959242121 cubic inches would be around 21276.7 feet tall.

Recreational maths with 16643840959242121

• 16643840959242121 backwards is 12124295904834661
• The number of decimal digits it has is: 17
• The sum of 16643840959242121's digits is 67
• More coming soon!