21345264
21,345,264 is an even composite number composed of four prime numbers multiplied together.
21345264 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 21345264:
24 × 32 × 227 × 653
(2 × 2 × 2 × 2 × 3 × 3 × 227 × 653)See below for interesting mathematical facts about the number 21345264 from the Numbermatics database.
Names of 21345264
- Cardinal: 21345264 can be written as Twenty-one million, three hundred forty-five thousand, two hundred sixty-four.
Scientific notation
- Scientific notation: 2.1345264 × 107
Factors of 21345264
Divisors of 21345264
- Number of divisors d(n): 60
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 227 454 653 681 908 1306 1362 1816 1959 2043 2612 2724 3632 3918 4086 5224 5448 5877 7836 8172 10448 10896 11754 15672 16344 23508 31344 32688 47016 94032 148231 296462 444693 592924 889386 1185848 1334079 1778772 2371696 2668158 3557544 5336316 7115088 10672632 21345264
- Sum of all divisors σ(n): 60092136
- Sum of proper divisors (its aliquot sum) s(n): 38746872
- 21345264 is an abundant number, because the sum of its proper divisors (38746872) is greater than itself. Its abundance is 17401608
Bases of 21345264
- Binary: 10100010110110011111100002
- Hexadecimal: 0x145B3F0
- Base-36: CPI40
Squares and roots of 21345264
- 21345264 squared (213452642) is 455620295229696
- 21345264 cubed (213452643) is 9725335485435801759744
-
The
square root of 21345264 is 4620.0935055473 -
The
cube root of 21345264 is 277.3962017441
Scales and comparisons
How big is 21345264?- 21,345,264 seconds is equal to 35 weeks, 2 days, 1 hour, 14 minutes, 24 seconds.
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To count from 1 to 21,345,264 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 21345264 cubic inches would be around 23.1 feet tall.
Recreational maths with 21345264
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The information we have on file for 21345264 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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