21321214915
21,321,214,915 is an odd composite number composed of five prime numbers multiplied together.
21321214915 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21321214915:
5 × 72 × 11 × 134 × 277
(5 × 7 × 7 × 11 × 13 × 13 × 13 × 13 × 277)See below for interesting mathematical facts about the number 21321214915 from the Numbermatics database.
Names of 21321214915
- Cardinal: 21321214915 can be written as Twenty-one billion, three hundred twenty-one million, two hundred fourteen thousand, nine hundred fifteen.
Scientific notation
- Scientific notation: 2.1321214915 × 1010
Factors of 21321214915
Divisors of 21321214915
- Number of divisors d(n): 120
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Complete list of divisors:
1 5 7 11 13 35 49 55 65 77 91 143 169 245 277 385 455 539 637 715 845 1001 1183 1385 1859 1939 2197 2695 3047 3185 3601 5005 5915 7007 8281 9295 9695 10985 13013 13573 15235 15379 18005 21329 24167 25207 28561 35035 39611 41405 46813 65065 67865 76895 91091 106645 107653 120835 126035 142805 149303 169169 176449 198055 199927 234065 277277 314171 327691 455455 514943 538265 608569 746515 845845 882245 999635 1184183 1386385 1399489 1570855 1638455 1940939 2199197 2293837 2574715 3042845 3604601 4259983 5920915 6694259 6997445 7911397 9704695 10995985 11469185 15394379 18023005 21299915 25232207 29819881 33471295 39556985 46859813 55379779 76971895 87025367 126161035 149099405 234299065 276898895 328018691 387658453 435126835 609177569 1640093455 1938292265 3045887845 4264242983 21321214915
- Sum of all divisors σ(n): 35300958192
- Sum of proper divisors (its aliquot sum) s(n): 13979743277
- 21321214915 is a deficient number, because the sum of its proper divisors (13979743277) is less than itself. Its deficiency is 7341471638
Bases of 21321214915
- Binary: 100111101101101011111101011110000112
- Hexadecimal: 0x4F6D7EBC3
- Base-36: 9SM3MPV
Squares and roots of 21321214915
- 21321214915 squared (213212149152) is 454594205451618457225
- 21321214915 cubed (213212149153) is 9692500753547621761074959510875
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The
square root of 21321214915 is 146017.8582057687 -
The
cube root of 21321214915 is 2772.9198453097
Scales and comparisons
How big is 21321214915?- 21,321,214,915 seconds is equal to 677 years, 49 weeks, 2 days, 7 hours, 41 minutes, 55 seconds.
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To count from 1 to 21,321,214,915 would take you about one thousand, three hundred fifty-five 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 21321214915 cubic inches would be around 231.1 feet tall.
Recreational maths with 21321214915
- 21321214915 backwards is 51941212312
- The number of decimal digits it has is: 11
- The sum of 21321214915's digits is 31
- More coming soon!
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The information we have on file for 21321214915 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!
Keywords: Divisors of 21321214915, math, Factors of 21321214915, curriculum, school, college, exams, university, Prime factorization of 21321214915, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, three hundred twenty-one million, two hundred fourteen thousand, nine hundred fifteen.