21324864
21,324,864 is an even composite number composed of five prime numbers multiplied together.
21324864 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 21324864:
26 × 3 × 11 × 23 × 439
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 11 × 23 × 439)See below for interesting mathematical facts about the number 21324864 from the Numbermatics database.
Names of 21324864
- Cardinal: 21324864 can be written as Twenty-one million, three hundred twenty-four thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 2.1324864 × 107
Factors of 21324864
Divisors of 21324864
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 3 4 6 8 11 12 16 22 23 24 32 33 44 46 48 64 66 69 88 92 96 132 138 176 184 192 253 264 276 352 368 439 506 528 552 704 736 759 878 1012 1056 1104 1317 1472 1518 1756 2024 2112 2208 2634 3036 3512 4048 4416 4829 5268 6072 7024 8096 9658 10097 10536 12144 14048 14487 16192 19316 20194 21072 24288 28096 28974 30291 38632 40388 42144 48576 57948 60582 77264 80776 84288 111067 115896 121164 154528 161552 222134 231792 242328 309056 323104 333201 444268 463584 484656 646208 666402 888536 927168 969312 1332804 1777072 1938624 2665608 3554144 5331216 7108288 10662432 21324864
- Sum of all divisors σ(n): 64373760
- Sum of proper divisors (its aliquot sum) s(n): 43048896
- 21324864 is an abundant number, because the sum of its proper divisors (43048896) is greater than itself. Its abundance is 21724032
Bases of 21324864
- Binary: 10100010101100100010000002
- Hexadecimal: 0x1456440
- Base-36: CP2DC
Squares and roots of 21324864
- 21324864 squared (213248642) is 454749824618496
- 21324864 cubed (213248643) is 9697478164013279084544
-
The
square root of 21324864 is 4617.8852302759 -
The
cube root of 21324864 is 277.3078029589
Scales and comparisons
How big is 21324864?- 21,324,864 seconds is equal to 35 weeks, 1 day, 19 hours, 34 minutes, 24 seconds.
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To count from 1 to 21,324,864 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 21324864 cubic inches would be around 23.1 feet tall.
Recreational maths with 21324864
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The information we have on file for 21324864 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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