21316328
21,316,328 is an even composite number composed of four prime numbers multiplied together.
21316328 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21316328:
23 × 112 × 192 × 61
(2 × 2 × 2 × 11 × 11 × 19 × 19 × 61)See below for interesting mathematical facts about the number 21316328 from the Numbermatics database.
Names of 21316328
- Cardinal: 21316328 can be written as Twenty-one million, three hundred sixteen thousand, three hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1316328 × 107
Factors of 21316328
Divisors of 21316328
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 8 11 19 22 38 44 61 76 88 121 122 152 209 242 244 361 418 484 488 671 722 836 968 1159 1342 1444 1672 2299 2318 2684 2888 3971 4598 4636 5368 7381 7942 9196 9272 12749 14762 15884 18392 22021 25498 29524 31768 43681 44042 50996 59048 87362 88084 101992 140239 174724 176168 242231 280478 349448 484462 560956 968924 1121912 1937848 2664541 5329082 10658164 21316328
- Sum of all divisors σ(n): 47125890
- Sum of proper divisors (its aliquot sum) s(n): 25809562
- 21316328 is an abundant number, because the sum of its proper divisors (25809562) is greater than itself. Its abundance is 4493234
Bases of 21316328
- Binary: 10100010101000010111010002
- Hexadecimal: 0x14542E8
- Base-36: COVS8
Squares and roots of 21316328
- 21316328 squared (213163282) is 454385839403584
- 21316328 cubed (213163283) is 9685837591282120919552
-
The
square root of 21316328 is 4616.9609051843 -
The
cube root of 21316328 is 277.2707974033
Scales and comparisons
How big is 21316328?- 21,316,328 seconds is equal to 35 weeks, 1 day, 17 hours, 12 minutes, 8 seconds.
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To count from 1 to 21,316,328 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 21316328 cubic inches would be around 23.1 feet tall.
Recreational maths with 21316328
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The information we have on file for 21316328 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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