21126798
21,126,798 is an even composite number composed of five prime numbers multiplied together.
21126798 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21126798:
2 × 33 × 7 × 11 × 5081
(2 × 3 × 3 × 3 × 7 × 11 × 5081)See below for interesting mathematical facts about the number 21126798 from the Numbermatics database.
Names of 21126798
- Cardinal: 21126798 can be written as Twenty-one million, one hundred twenty-six thousand, seven hundred ninety-eight.
Scientific notation
- Scientific notation: 2.1126798 × 107
Factors of 21126798
Divisors of 21126798
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 6 7 9 11 14 18 21 22 27 33 42 54 63 66 77 99 126 154 189 198 231 297 378 462 594 693 1386 2079 4158 5081 10162 15243 30486 35567 45729 55891 71134 91458 106701 111782 137187 167673 213402 274374 320103 335346 391237 503019 640206 782474 960309 1006038 1173711 1509057 1920618 2347422 3018114 3521133 7042266 10563399 21126798
- Sum of all divisors σ(n): 58544640
- Sum of proper divisors (its aliquot sum) s(n): 37417842
- 21126798 is an abundant number, because the sum of its proper divisors (37417842) is greater than itself. Its abundance is 16291044
Bases of 21126798
- Binary: 10100001001011110100011102
- Hexadecimal: 0x1425E8E
- Base-36: CKTJI
Squares and roots of 21126798
- 21126798 squared (211267982) is 446341593732804
- 21126798 cubed (211267983) is 9429768689791016081592
-
The
square root of 21126798 is 4596.3896701651 -
The
cube root of 21126798 is 276.4465832521
Scales and comparisons
How big is 21126798?- 21,126,798 seconds is equal to 34 weeks, 6 days, 12 hours, 33 minutes, 18 seconds.
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To count from 1 to 21,126,798 would take you about two 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 21126798 cubic inches would be around 23 feet tall.
Recreational maths with 21126798
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The information we have on file for 21126798 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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