21328398
21,328,398 is an even composite number composed of six prime numbers multiplied together.
21328398 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21328398:
2 × 32 × 7 × 13 × 29 × 449
(2 × 3 × 3 × 7 × 13 × 29 × 449)See below for interesting mathematical facts about the number 21328398 from the Numbermatics database.
Names of 21328398
- Cardinal: 21328398 can be written as Twenty-one million, three hundred twenty-eight thousand, three hundred ninety-eight.
Scientific notation
- Scientific notation: 2.1328398 × 107
Factors of 21328398
Divisors of 21328398
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 6 7 9 13 14 18 21 26 29 39 42 58 63 78 87 91 117 126 174 182 203 234 261 273 377 406 449 522 546 609 754 819 898 1131 1218 1347 1638 1827 2262 2639 2694 3143 3393 3654 4041 5278 5837 6286 6786 7917 8082 9429 11674 13021 15834 17511 18858 23751 26042 28287 35022 39063 40859 47502 52533 56574 78126 81718 91147 105066 117189 122577 169273 182294 234378 245154 273441 338546 367731 507819 546882 735462 820323 1015638 1184911 1523457 1640646 2369822 3046914 3554733 7109466 10664199 21328398
- Sum of all divisors σ(n): 58968000
- Sum of proper divisors (its aliquot sum) s(n): 37639602
- 21328398 is an abundant number, because the sum of its proper divisors (37639602) is greater than itself. Its abundance is 16311204
Bases of 21328398
- Binary: 10100010101110010000011102
- Hexadecimal: 0x145720E
- Base-36: CP53I
Squares and roots of 21328398
- 21328398 squared (213283982) is 454900561246404
- 21328398 cubed (213283983) is 9702300220686680580792
-
The
square root of 21328398 is 4618.2678571083 -
The
cube root of 21328398 is 277.3231207843
Scales and comparisons
How big is 21328398?- 21,328,398 seconds is equal to 35 weeks, 1 day, 20 hours, 33 minutes, 18 seconds.
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To count from 1 to 21,328,398 would take you about six days!
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 21328398 cubic inches would be around 23.1 feet tall.
Recreational maths with 21328398
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The information we have on file for 21328398 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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