21353800
21,353,800 is an even composite number composed of five prime numbers multiplied together.
21353800 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 21353800:
23 × 52 × 13 × 43 × 191
(2 × 2 × 2 × 5 × 5 × 13 × 43 × 191)See below for interesting mathematical facts about the number 21353800 from the Numbermatics database.
Names of 21353800
- Cardinal: 21353800 can be written as Twenty-one million, three hundred fifty-three thousand, eight hundred.
Scientific notation
- Scientific notation: 2.13538 × 107
Factors of 21353800
Divisors of 21353800
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 8 10 13 20 25 26 40 43 50 52 65 86 100 104 130 172 191 200 215 260 325 344 382 430 520 559 650 764 860 955 1075 1118 1300 1528 1720 1910 2150 2236 2483 2600 2795 3820 4300 4472 4775 4966 5590 7640 8213 8600 9550 9932 11180 12415 13975 16426 19100 19864 22360 24830 27950 32852 38200 41065 49660 55900 62075 65704 82130 99320 106769 111800 124150 164260 205325 213538 248300 328520 410650 427076 496600 533845 821300 854152 1067690 1642600 2135380 2669225 4270760 5338450 10676900 21353800
- Sum of all divisors σ(n): 54996480
- Sum of proper divisors (its aliquot sum) s(n): 33642680
- 21353800 is an abundant number, because the sum of its proper divisors (33642680) is greater than itself. Its abundance is 12288880
Bases of 21353800
- Binary: 10100010111010101010010002
- Hexadecimal: 0x145D548
- Base-36: CPOP4
Squares and roots of 21353800
- 21353800 squared (213538002) is 455984774440000
- 21353800 cubed (213538003) is 9737007676436872000000
-
The
square root of 21353800 is 4621.0172040363 -
The
cube root of 21353800 is 277.4331738553
Scales and comparisons
How big is 21353800?- 21,353,800 seconds is equal to 35 weeks, 2 days, 3 hours, 36 minutes, 40 seconds.
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To count from 1 to 21,353,800 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 21353800 cubic inches would be around 23.1 feet tall.
Recreational maths with 21353800
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The information we have on file for 21353800 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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