20710728
20,710,728 is an even composite number composed of four prime numbers multiplied together.
20710728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 20710728:
23 × 34 × 31 × 1031
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 31 × 1031)See below for interesting mathematical facts about the number 20710728 from the Numbermatics database.
Names of 20710728
- Cardinal: 20710728 can be written as Twenty million, seven hundred ten thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.0710728 × 107
Factors of 20710728
Divisors of 20710728
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 81 93 108 124 162 186 216 248 279 324 372 558 648 744 837 1031 1116 1674 2062 2232 2511 3093 3348 4124 5022 6186 6696 8248 9279 10044 12372 18558 20088 24744 27837 31961 37116 55674 63922 74232 83511 95883 111348 127844 167022 191766 222696 255688 287649 334044 383532 575298 668088 767064 862947 1150596 1725894 2301192 2588841 3451788 5177682 6903576 10355364 20710728
- Sum of all divisors σ(n): 59938560
- Sum of proper divisors (its aliquot sum) s(n): 39227832
- 20710728 is an abundant number, because the sum of its proper divisors (39227832) is greater than itself. Its abundance is 18517104
Bases of 20710728
- Binary: 10011110000000101010010002
- Hexadecimal: 0x13C0548
- Base-36: CBWI0
Squares and roots of 20710728
- 20710728 squared (207107282) is 428934254289984
- 20710728 cubed (207107283) is 8883540670482691748352
-
The
square root of 20710728 is 4550.9040860031 -
The
cube root of 20710728 is 274.6197632021
Scales and comparisons
How big is 20710728?- 20,710,728 seconds is equal to 34 weeks, 1 day, 16 hours, 58 minutes, 48 seconds.
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To count from 1 to 20,710,728 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 20710728 cubic inches would be around 22.9 feet tall.
Recreational maths with 20710728
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The information we have on file for 20710728 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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