20212990
20,212,990 is an even composite number composed of five prime numbers multiplied together.
20212990 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 20212990:
2 × 5 × 73 × 71 × 83
(2 × 5 × 7 × 7 × 7 × 71 × 83)See below for interesting mathematical facts about the number 20212990 from the Numbermatics database.
Names of 20212990
- Cardinal: 20212990 can be written as Twenty million, two hundred twelve thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.021299 × 107
Factors of 20212990
Divisors of 20212990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 7 10 14 35 49 70 71 83 98 142 166 245 343 355 415 490 497 581 686 710 830 994 1162 1715 2485 2905 3430 3479 4067 4970 5810 5893 6958 8134 11786 17395 20335 24353 28469 29465 34790 40670 41251 48706 56938 58930 82502 121765 142345 206255 243530 284690 288757 412510 577514 1443785 2021299 2887570 4042598 10106495 20212990
- Sum of all divisors σ(n): 43545600
- Sum of proper divisors (its aliquot sum) s(n): 23332610
- 20212990 is an abundant number, because the sum of its proper divisors (23332610) is greater than itself. Its abundance is 3119620
Bases of 20212990
- Binary: 10011010001101100111111102
- Hexadecimal: 0x1346CFE
- Base-36: C18FY
Squares and roots of 20212990
- 20212990 squared (202129902) is 408564964740100
- 20212990 cubed (202129903) is 8258319546641993899000
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The
square root of 20212990 is 4495.8858971287 -
The
cube root of 20212990 is 272.4019342441
Scales and comparisons
How big is 20212990?- 20,212,990 seconds is equal to 33 weeks, 2 days, 22 hours, 43 minutes, 10 seconds.
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To count from 1 to 20,212,990 would take you about fifty weeks!
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 20212990 cubic inches would be around 22.7 feet tall.
Recreational maths with 20212990
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The information we have on file for 20212990 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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