21479024
21,479,024 is an even composite number composed of five prime numbers multiplied together.
21479024 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 21479024:
24 × 7 × 17 × 29 × 389
(2 × 2 × 2 × 2 × 7 × 17 × 29 × 389)See below for interesting mathematical facts about the number 21479024 from the Numbermatics database.
Names of 21479024
- Cardinal: 21479024 can be written as Twenty-one million, four hundred seventy-nine thousand and twenty-four.
Scientific notation
- Scientific notation: 2.1479024 × 107
Factors of 21479024
Divisors of 21479024
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 7 8 14 16 17 28 29 34 56 58 68 112 116 119 136 203 232 238 272 389 406 464 476 493 778 812 952 986 1556 1624 1904 1972 2723 3112 3248 3451 3944 5446 6224 6613 6902 7888 10892 11281 13226 13804 21784 22562 26452 27608 43568 45124 46291 52904 55216 78967 90248 92582 105808 157934 180496 185164 191777 315868 370328 383554 631736 740656 767108 1263472 1342439 1534216 2684878 3068432 5369756 10739512 21479024
- Sum of all divisors σ(n): 52228800
- Sum of proper divisors (its aliquot sum) s(n): 30749776
- 21479024 is an abundant number, because the sum of its proper divisors (30749776) is greater than itself. Its abundance is 9270752
Bases of 21479024
- Binary: 10100011110111110011100002
- Hexadecimal: 0x147BE70
- Base-36: CSDBK
Squares and roots of 21479024
- 21479024 squared (214790242) is 461348471992576
- 21479024 cubed (214790243) is 9909314902291867725824
-
The
square root of 21479024 is 4634.5467955345 -
The
cube root of 21479024 is 277.9744296133
Scales and comparisons
How big is 21479024?- 21,479,024 seconds is equal to 35 weeks, 3 days, 14 hours, 23 minutes, 44 seconds.
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To count from 1 to 21,479,024 would take you about twenty-one 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 21479024 cubic inches would be around 23.2 feet tall.
Recreational maths with 21479024
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