21321364506142016

Names of 21321364506142016

• Cardinal: 21321364506142016 can be written as Twenty-one quadrillion, three hundred twenty-one trillion, three hundred sixty-four billion, five hundred six million, one hundred forty-two thousand and sixteen.

Scientific notation

• Scientific notation: 2.1321364506142016 × 10¹⁶

Factors of 21321364506142016

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 145035405176

Divisors of 21321364506142016

• Number of divisors d(n): 28
• Complete list of divisors:
  1 2 4 8 16 32 64 2297 4594 9188 18376 36752 73504 147008 145035402877 290070805754 580141611508 1160283223016 2320566446032 4641132892064 9282265784128 333146320408469 666292640816938 1332585281633876 2665170563267752 5330341126535504 10660682253071008 21321364506142016
• Sum of all divisors σ(n): 42328002188332788
• Sum of proper divisors (its aliquot sum) s(n): 21006637682190772
• 21321364506142016 is a deficient number, because the sum of its proper divisors (21006637682190772) is less than itself. Its deficiency is 314726823951244

Bases of 21321364506142016

• Binary: 1001011101111111010101100000101100000111110010101000000₂
• Hexadecimal: 0x4BBFAB0583E540
• Base-36: 5TXSJMTN03K

Squares and roots of 21321364506142016

• 21321364506142016 squared (21321364506142016²) is 454600584403772573839388360544256
• 21321364506142016 cubed (21321364506142016³) is 9692704764778014284950085301104205297988589060096
• The square root of 21321364506142016 is 146018370.4406470083
• The cube root of 21321364506142016 is 277292.6330294669

Scales and comparisons

• 21,321,364,506,142,016 seconds is equal to 677,953,439 years, 51 weeks, 1 day, 10 hours, 6 minutes, 56 seconds.
• To count from 1 to 21,321,364,506,142,016 would take you about two billion, thirty-three million, eight hundred sixty thousand, three hundred nineteen 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 21321364506142016 cubic inches would be around 23107.7 feet tall.

Recreational maths with 21321364506142016

• 21321364506142016 backwards is 61024160546312312
• The number of decimal digits it has is: 17
• The sum of 21321364506142016's digits is 47
• More coming soon!