21409390824
21,409,390,824 is an even composite number composed of five prime numbers multiplied together.
21409390824 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21409390824:
23 × 3 × 292 × 412 × 631
(2 × 2 × 2 × 3 × 29 × 29 × 41 × 41 × 631)See below for interesting mathematical facts about the number 21409390824 from the Numbermatics database.
Names of 21409390824
- Cardinal: 21409390824 can be written as Twenty-one billion, four hundred nine million, three hundred ninety thousand, eight hundred twenty-four.
Scientific notation
- Scientific notation: 2.1409390824 × 1010
Factors of 21409390824
Divisors of 21409390824
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 12 24 29 41 58 82 87 116 123 164 174 232 246 328 348 492 631 696 841 984 1189 1262 1681 1682 1893 2378 2523 2524 3362 3364 3567 3786 4756 5043 5046 5048 6724 6728 7134 7572 9512 10086 10092 13448 14268 15144 18299 20172 20184 25871 28536 34481 36598 40344 48749 51742 54897 68962 73196 77613 97498 103443 103484 109794 137924 146247 146392 155226 194996 206886 206968 219588 275848 292494 310452 389992 413772 439176 530671 584988 620904 750259 827544 1060711 1061342 1169976 1413721 1500518 1592013 2121422 2122684 2250777 2827442 3001036 3182133 3184026 4241163 4242844 4245368 4501554 5654884 6002072 6364266 6368052 8482326 8485688 9003108 11309768 12728532 12736104 16964652 18006216 21757511 25457064 30760619 33929304 43515022 61521238 65272533 87030044 92281857 123042476 130545066 174060088 184563714 246084952 261090132 369127428 522180264 738254856 892057951 1784115902 2676173853 3568231804 5352347706 7136463608 10704695412 21409390824
- Sum of all divisors σ(n): 56907795360
- Sum of proper divisors (its aliquot sum) s(n): 35498404536
- 21409390824 is an abundant number, because the sum of its proper divisors (35498404536) is greater than itself. Its abundance is 14089013712
Bases of 21409390824
- Binary: 100111111000001100101100000111010002
- Hexadecimal: 0x4FC1960E8
- Base-36: 9U2LJOO
Squares and roots of 21409390824
- 21409390824 squared (214093908242) is 458362015454775398976
- 21409390824 cubed (214093908243) is 9813251527747614613817713396224
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The
square root of 21409390824 is 146319.4820384491 -
The
cube root of 21409390824 is 2776.7371456479
Scales and comparisons
How big is 21409390824?- 21,409,390,824 seconds is equal to 680 years, 39 weeks, 21 hours, 24 seconds.
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To count from 1 to 21,409,390,824 would take you about one thousand, three hundred sixty-one 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 21409390824 cubic inches would be around 231.4 feet tall.
Recreational maths with 21409390824
- 21409390824 backwards is 42809390412
- The number of decimal digits it has is: 11
- The sum of 21409390824's digits is 42
- More coming soon!
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The information we have on file for 21409390824 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 21409390824, math, Factors of 21409390824, curriculum, school, college, exams, university, Prime factorization of 21409390824, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, four hundred nine million, three hundred ninety thousand, eight hundred twenty-four.