21738307784142

Names of 21738307784142

• Cardinal: 21738307784142 can be written as Twenty-one trillion, seven hundred thirty-eight billion, three hundred seven million, seven hundred eighty-four thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 2.1738307784142 × 10¹³

Factors of 21738307784142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 702488

Divisors of 21738307784142

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 743 1486 2229 4458 7019 14038 21057 42114 694721 1389442 2084163 4168326 5215117 10430234 15645351 31290702 516177703 1032355406 1548533109 3097066218 4876246699 9752493398 14628740097 29257480194 3623051297357 7246102594714 10869153892071 21738307784142
• Sum of all divisors σ(n): 43541395672320
• Sum of proper divisors (its aliquot sum) s(n): 21803087888178
• 21738307784142 is an abundant number, because the sum of its proper divisors (21803087888178) is greater than itself. Its abundance is 64780104036

Bases of 21738307784142

• Binary: 100111100010101011000000111010000110111001110₂
• Hexadecimal: 0x13C5581D0DCE
• Base-36: 7PEFV6RWU

Squares and roots of 21738307784142

• 21738307784142 squared (21738307784142²) is 472554025318088670066676164
• 21738307784142 cubed (21738307784142³) is 10272524846999842684107802846037928591288
• The square root of 21738307784142 is 4662435.8209139995
• The cube root of 21738307784142 is 27908.8480495477

Scales and comparisons

• 21,738,307,784,142 seconds is equal to 691,210 years, 49 weeks, 1 day, 12 hours, 55 minutes, 42 seconds.
• To count from 1 to 21,738,307,784,142 would take you about one million, seven hundred twenty-eight thousand and twenty-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 21738307784142 cubic inches would be around 2325.7 feet tall.

Recreational maths with 21738307784142

• 21738307784142 backwards is 24148770383712
• The number of decimal digits it has is: 14
• The sum of 21738307784142's digits is 57
• More coming soon!