21348320
21,348,320 is an even composite number composed of four prime numbers multiplied together.
21348320 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21348320:
25 × 5 × 73 × 389
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 389)See below for interesting mathematical facts about the number 21348320 from the Numbermatics database.
Names of 21348320
- Cardinal: 21348320 can be written as Twenty-one million, three hundred forty-eight thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.134832 × 107
Factors of 21348320
Divisors of 21348320
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 343 389 392 490 560 686 778 784 980 1120 1372 1556 1568 1715 1945 1960 2723 2744 3112 3430 3890 3920 5446 5488 6224 6860 7780 7840 10892 10976 12448 13615 13720 15560 19061 21784 27230 27440 31120 38122 43568 54460 54880 62240 76244 87136 95305 108920 133427 152488 190610 217840 266854 304976 381220 435680 533708 609952 667135 762440 1067416 1334270 1524880 2134832 2668540 3049760 4269664 5337080 10674160 21348320
- Sum of all divisors σ(n): 58968000
- Sum of proper divisors (its aliquot sum) s(n): 37619680
- 21348320 is an abundant number, because the sum of its proper divisors (37619680) is greater than itself. Its abundance is 16271360
Bases of 21348320
- Binary: 10100010110111111111000002
- Hexadecimal: 0x145BFE0
- Base-36: CPKGW
Squares and roots of 21348320
- 21348320 squared (213483202) is 455750766822400
- 21348320 cubed (213483203) is 9729513210369978368000
-
The
square root of 21348320 is 4620.4242229475 -
The
cube root of 21348320 is 277.4094393775
Scales and comparisons
How big is 21348320?- 21,348,320 seconds is equal to 35 weeks, 2 days, 2 hours, 5 minutes, 20 seconds.
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To count from 1 to 21,348,320 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 21348320 cubic inches would be around 23.1 feet tall.
Recreational maths with 21348320
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The information we have on file for 21348320 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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