21146216
21,146,216 is an even composite number composed of five prime numbers multiplied together.
21146216 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 21146216:
23 × 7 × 13 × 31 × 937
(2 × 2 × 2 × 7 × 13 × 31 × 937)See below for interesting mathematical facts about the number 21146216 from the Numbermatics database.
Names of 21146216
- Cardinal: 21146216 can be written as Twenty-one million, one hundred forty-six thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 2.1146216 × 107
Factors of 21146216
Divisors of 21146216
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 7 8 13 14 26 28 31 52 56 62 91 104 124 182 217 248 364 403 434 728 806 868 937 1612 1736 1874 2821 3224 3748 5642 6559 7496 11284 12181 13118 22568 24362 26236 29047 48724 52472 58094 85267 97448 116188 170534 203329 232376 341068 377611 406658 682136 755222 813316 1510444 1626632 2643277 3020888 5286554 10573108 21146216
- Sum of all divisors σ(n): 50426880
- Sum of proper divisors (its aliquot sum) s(n): 29280664
- 21146216 is an abundant number, because the sum of its proper divisors (29280664) is greater than itself. Its abundance is 8134448
Bases of 21146216
- Binary: 10100001010101010011010002
- Hexadecimal: 0x142AA68
- Base-36: CL8IW
Squares and roots of 21146216
- 21146216 squared (211462162) is 447162451118656
- 21146216 cubed (211462163) is 9455793778444541405696
-
The
square root of 21146216 is 4598.5014950525 -
The
cube root of 21146216 is 276.5312529051
Scales and comparisons
How big is 21146216?- 21,146,216 seconds is equal to 34 weeks, 6 days, 17 hours, 56 minutes, 56 seconds.
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To count from 1 to 21,146,216 would take you about three 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 21146216 cubic inches would be around 23 feet tall.
Recreational maths with 21146216
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The information we have on file for 21146216 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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