20741728
20,741,728 is an even composite number composed of five prime numbers multiplied together.
20741728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 20741728:
25 × 7 × 29 × 31 × 103
(2 × 2 × 2 × 2 × 2 × 7 × 29 × 31 × 103)See below for interesting mathematical facts about the number 20741728 from the Numbermatics database.
Names of 20741728
- Cardinal: 20741728 can be written as Twenty million, seven hundred forty-one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.0741728 × 107
Factors of 20741728
Divisors of 20741728
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 7 8 14 16 28 29 31 32 56 58 62 103 112 116 124 203 206 217 224 232 248 406 412 434 464 496 721 812 824 868 899 928 992 1442 1624 1648 1736 1798 2884 2987 3193 3248 3296 3472 3596 5768 5974 6293 6386 6496 6944 7192 11536 11948 12586 12772 14384 20909 22351 23072 23896 25172 25544 28768 41818 44702 47792 50344 51088 83636 89404 92597 95584 100688 102176 167272 178808 185194 201376 334544 357616 370388 648179 669088 715232 740776 1296358 1481552 2592716 2963104 5185432 10370864 20741728
- Sum of all divisors σ(n): 50319360
- Sum of proper divisors (its aliquot sum) s(n): 29577632
- 20741728 is an abundant number, because the sum of its proper divisors (29577632) is greater than itself. Its abundance is 8835904
Bases of 20741728
- Binary: 10011110001111110011000002
- Hexadecimal: 0x13C7E60
- Base-36: CCKF4
Squares and roots of 20741728
- 20741728 squared (207417282) is 430219280425984
- 20741728 cubed (207417283) is 8923491294951484260352
-
The
square root of 20741728 is 4554.3087291045 -
The
cube root of 20741728 is 274.7567126555
Scales and comparisons
How big is 20741728?- 20,741,728 seconds is equal to 34 weeks, 2 days, 1 hour, 35 minutes, 28 seconds.
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To count from 1 to 20,741,728 would take you about fifty-one 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 20741728 cubic inches would be around 22.9 feet tall.
Recreational maths with 20741728
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The information we have on file for 20741728 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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