21621204
21,621,204 is an even composite number composed of five prime numbers multiplied together.
What does the number 21621204 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 72 divisors.
21621204 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21621204:
22 × 32 × 11 × 71 × 769
(2 × 2 × 3 × 3 × 11 × 71 × 769)See below for interesting mathematical facts about the number 21621204 from the Numbermatics database.
Names of 21621204
- Cardinal: 21621204 can be written as Twenty-one million, six hundred twenty-one thousand, two hundred four.
Scientific notation
- Scientific notation: 2.1621204 × 107
Factors of 21621204
Divisors of 21621204
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 9 11 12 18 22 33 36 44 66 71 99 132 142 198 213 284 396 426 639 769 781 852 1278 1538 1562 2307 2343 2556 3076 3124 4614 4686 6921 7029 8459 9228 9372 13842 14058 16918 25377 27684 28116 33836 50754 54599 76131 101508 109198 152262 163797 218396 304524 327594 491391 600589 655188 982782 1201178 1801767 1965564 2402356 3603534 5405301 7207068 10810602 21621204
- Sum of all divisors σ(n): 60540480
- Sum of proper divisors (its aliquot sum) s(n): 38919276
- 21621204 is an abundant number, because the sum of its proper divisors (38919276) is greater than itself. Its abundance is 17298072
Bases of 21621204
- Binary: 10100100111101001110101002
- Hexadecimal: 0x149E9D4
- Base-36: CVF10
Squares and roots of 21621204
- 21621204 squared (216212042) is 467476462409616
- 21621204 cubed (216212043) is 10107403958956639097664
-
The
square root of 21621204 is 4649.8606430731 -
The
cube root of 21621204 is 278.5864300741
Scales and comparisons
How big is 21621204?- 21,621,204 seconds is equal to 35 weeks, 5 days, 5 hours, 53 minutes, 24 seconds.
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To count from 1 to 21,621,204 would take you about four 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 21621204 cubic inches would be around 23.2 feet tall.
Recreational maths with 21621204
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The information we have on file for 21621204 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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