21316568
21,316,568 is an even composite number composed of five prime numbers multiplied together.
21316568 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 21316568:
23 × 72 × 13 × 47 × 89
(2 × 2 × 2 × 7 × 7 × 13 × 47 × 89)See below for interesting mathematical facts about the number 21316568 from the Numbermatics database.
Names of 21316568
- Cardinal: 21316568 can be written as Twenty-one million, three hundred sixteen thousand, five hundred sixty-eight.
Scientific notation
- Scientific notation: 2.1316568 × 107
Factors of 21316568
Divisors of 21316568
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 7 8 13 14 26 28 47 49 52 56 89 91 94 98 104 178 182 188 196 329 356 364 376 392 611 623 637 658 712 728 1157 1222 1246 1274 1316 2303 2314 2444 2492 2548 2632 4183 4277 4361 4606 4628 4888 4984 5096 8099 8366 8554 8722 9212 9256 16198 16732 17108 17444 18424 29281 29939 32396 33464 34216 34888 54379 56693 58562 59878 64792 108758 113386 117124 119756 204967 217516 226772 234248 239512 380653 409934 435032 453544 761306 819868 1522612 1639736 2664571 3045224 5329142 10658284 21316568
- Sum of all divisors σ(n): 51710400
- Sum of proper divisors (its aliquot sum) s(n): 30393832
- 21316568 is an abundant number, because the sum of its proper divisors (30393832) is greater than itself. Its abundance is 9077264
Bases of 21316568
- Binary: 10100010101000011110110002
- Hexadecimal: 0x14543D8
- Base-36: COVYW
Squares and roots of 21316568
- 21316568 squared (213165682) is 454396071298624
- 21316568 cubed (213165683) is 9686164752769966802432
-
The
square root of 21316568 is 4616.9868962343 -
The
cube root of 21316568 is 277.2718379947
Scales and comparisons
How big is 21316568?- 21,316,568 seconds is equal to 35 weeks, 1 day, 17 hours, 16 minutes, 8 seconds.
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To count from 1 to 21,316,568 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 21316568 cubic inches would be around 23.1 feet tall.
Recreational maths with 21316568
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The information we have on file for 21316568 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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