21623334428018

Names of 21623334428018

• Cardinal: 21623334428018 can be written as Twenty-one trillion, six hundred twenty-three billion, three hundred thirty-four million, four hundred twenty-eight thousand and eighteen.

Scientific notation

• Scientific notation: 2.1623334428018 × 10¹³

Factors of 21623334428018

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 194436652

Divisors of 21623334428018

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 55621 111242 194381029 388762058 10811667214009 21623334428018
• Sum of all divisors σ(n): 32435584951980
• Sum of proper divisors (its aliquot sum) s(n): 10812250523962
• 21623334428018 is a deficient number, because the sum of its proper divisors (10812250523962) is less than itself. Its deficiency is 10811083904056

Bases of 21623334428018

• Binary: 100111010101010010011001010101101110101110010₂
• Hexadecimal: 0x13AA932ADD72
• Base-36: 7NXMF0QK2

Squares and roots of 21623334428018

• 21623334428018 squared (21623334428018²) is 467568591785908527223408324
• 21623334428018 cubed (21623334428018³) is 10110392028224130096620846813341000021832
• The square root of 21623334428018 is 4650089.7225771891
• The cube root of 21623334428018 is 27859.5579870469

Scales and comparisons

• 21,623,334,428,018 seconds is equal to 687,555 years, 7 weeks, 5 days, 9 hours, 33 minutes, 38 seconds.
• To count from 1 to 21,623,334,428,018 would take you about one million, seven hundred eighteen thousand, eight hundred eighty-seven 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 21623334428018 cubic inches would be around 2321.6 feet tall.

Recreational maths with 21623334428018

• 21623334428018 backwards is 81082443332612
• The number of decimal digits it has is: 14
• The sum of 21623334428018's digits is 47
• More coming soon!