21001344
21,001,344 is an even composite number composed of five prime numbers multiplied together.
21001344 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21001344:
27 × 3 × 7 × 13 × 601
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 13 × 601)See below for interesting mathematical facts about the number 21001344 from the Numbermatics database.
Names of 21001344
- Cardinal: 21001344 can be written as Twenty-one million, one thousand, three hundred forty-four.
Scientific notation
- Scientific notation: 2.1001344 × 107
Factors of 21001344
Divisors of 21001344
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 128 156 168 182 192 208 224 273 312 336 364 384 416 448 546 601 624 672 728 832 896 1092 1202 1248 1344 1456 1664 1803 2184 2404 2496 2688 2912 3606 4207 4368 4808 4992 5824 7212 7813 8414 8736 9616 11648 12621 14424 15626 16828 17472 19232 23439 25242 28848 31252 33656 34944 38464 46878 50484 54691 57696 62504 67312 76928 93756 100968 109382 115392 125008 134624 164073 187512 201936 218764 230784 250016 269248 328146 375024 403872 437528 500032 538496 656292 750048 807744 875056 1000064 1312584 1500096 1615488 1750112 2625168 3000192 3500224 5250336 7000448 10500672 21001344
- Sum of all divisors σ(n): 68772480
- Sum of proper divisors (its aliquot sum) s(n): 47771136
- 21001344 is an abundant number, because the sum of its proper divisors (47771136) is greater than itself. Its abundance is 26769792
Bases of 21001344
- Binary: 10100000001110100100000002
- Hexadecimal: 0x1407480
- Base-36: CI4QO
Squares and roots of 21001344
- 21001344 squared (210013442) is 441056449806336
- 21001344 cubed (210013443) is 9262778225801595715584
-
The
square root of 21001344 is 4582.7223350319 -
The
cube root of 21001344 is 275.8983032175
Scales and comparisons
How big is 21001344?- 21,001,344 seconds is equal to 34 weeks, 5 days, 1 hour, 42 minutes, 24 seconds.
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To count from 1 to 21,001,344 would take you about fourteen hours!
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 21001344 cubic inches would be around 23 feet tall.
Recreational maths with 21001344
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The information we have on file for 21001344 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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