21485952
21,485,952 is an even composite number composed of three prime numbers multiplied together.
21485952 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21485952:
27 × 33 × 6217
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 6217)See below for interesting mathematical facts about the number 21485952 from the Numbermatics database.
Names of 21485952
- Cardinal: 21485952 can be written as Twenty-one million, four hundred eighty-five thousand, nine hundred fifty-two.
Scientific notation
- Scientific notation: 2.1485952 × 107
Factors of 21485952
Divisors of 21485952
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 864 1152 1728 3456 6217 12434 18651 24868 37302 49736 55953 74604 99472 111906 149208 167859 198944 223812 298416 335718 397888 447624 596832 671436 795776 895248 1193664 1342872 1790496 2387328 2685744 3580992 5371488 7161984 10742976 21485952
- Sum of all divisors σ(n): 63423600
- Sum of proper divisors (its aliquot sum) s(n): 41937648
- 21485952 is an abundant number, because the sum of its proper divisors (41937648) is greater than itself. Its abundance is 20451696
Bases of 21485952
- Binary: 10100011111011001100000002
- Hexadecimal: 0x147D980
- Base-36: CSIO0
Squares and roots of 21485952
- 21485952 squared (214859522) is 461646133346304
- 21485952 cubed (214859523) is 9918906662064287121408
-
The
square root of 21485952 is 4635.2941654225 -
The
cube root of 21485952 is 278.0043130291
Scales and comparisons
How big is 21485952?- 21,485,952 seconds is equal to 35 weeks, 3 days, 16 hours, 19 minutes, 12 seconds.
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To count from 1 to 21,485,952 would take you about two 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 21485952 cubic inches would be around 23.2 feet tall.
Recreational maths with 21485952
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The information we have on file for 21485952 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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