21731393449316721
21,731,393,449,316,721 is an odd composite number composed of four prime numbers multiplied together.
What does the number 21731393449316721 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.
21731393449316721 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.
Prime factorization of 21731393449316721:
3 × 17 × 617059 × 690542969
See below for interesting mathematical facts about the number 21731393449316721 from the Numbermatics database.
Names of 21731393449316721
- Cardinal: 21731393449316721 can be written as Twenty-one quadrillion, seven hundred thirty-one trillion, three hundred ninety-three billion, four hundred forty-nine million, three hundred sixteen thousand, seven hundred twenty-one.
Scientific notation
- Scientific notation: 2.1731393449316721 × 1016
Factors of 21731393449316721
Divisors of 21731393449316721
- Number of divisors d(n): 16
- Complete list of divisors:
- Sum of all divisors σ(n): 30679664044910400
- Sum of proper divisors (its aliquot sum) s(n): 8948270595593679
- 21731393449316721 is a deficient number, because the sum of its proper divisors (8948270595593679) is less than itself. Its deficiency is 12783122853723042
Bases of 21731393449316721
- Binary: 10011010011010010010110010100110000010101010001011100012
- Hexadecimal: 0x4D349653055171
- Base-36: 5XZ4WBVRRZL
Squares and roots of 21731393449316721
- 21731393449316721 squared (217313934493167212) is 472253461249005692930221770191841
- 21731393449316721 cubed (217313934493167213) is 10262725774203790261607773322934709749926539073361
-
The
square root of 21731393449316721 is 147415716.4257485845 -
The
cube root of 21731393449316721 is 279058.8873328647
Scales and comparisons
How big is 21731393449316721?- 21,731,393,449,316,721 seconds is equal to 690,991,092 years, 3 weeks, 6 days, 5 hours, 45 minutes, 21 seconds.
-
To count from 1 to 21,731,393,449,316,721 would take you about two billion, seventy-two million, nine hundred seventy-three thousand, two hundred seventy-six 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 21731393449316721 cubic inches would be around 23254.9 feet tall.
Recreational maths with 21731393449316721
- 21731393449316721 backwards is 12761394439313712
- The number of decimal digits it has is: 17
- The sum of 21731393449316721's digits is 66
- More coming soon!
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The information we have on file for 21731393449316721 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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