20999472
20,999,472 is an even composite number composed of five prime numbers multiplied together.
20999472 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 20999472:
24 × 3 × 13 × 73 × 461
(2 × 2 × 2 × 2 × 3 × 13 × 73 × 461)See below for interesting mathematical facts about the number 20999472 from the Numbermatics database.
Names of 20999472
- Cardinal: 20999472 can be written as Twenty million, nine hundred ninety-nine thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.0999472 × 107
Factors of 20999472
Divisors of 20999472
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 24 26 39 48 52 73 78 104 146 156 208 219 292 312 438 461 584 624 876 922 949 1168 1383 1752 1844 1898 2766 2847 3504 3688 3796 5532 5694 5993 7376 7592 11064 11388 11986 15184 17979 22128 22776 23972 33653 35958 45552 47944 67306 71916 95888 100959 134612 143832 201918 269224 287664 403836 437489 538448 807672 874978 1312467 1615344 1749956 2624934 3499912 5249868 6999824 10499736 20999472
- Sum of all divisors σ(n): 59350368
- Sum of proper divisors (its aliquot sum) s(n): 38350896
- 20999472 is an abundant number, because the sum of its proper divisors (38350896) is greater than itself. Its abundance is 17351424
Bases of 20999472
- Binary: 10100000001101101001100002
- Hexadecimal: 0x1406D30
- Base-36: CI3AO
Squares and roots of 20999472
- 20999472 squared (209994722) is 440977824278784
- 20999472 cubed (209994723) is 9260301473563244802048
-
The
square root of 20999472 is 4582.5180850707 -
The
cube root of 20999472 is 275.8901053777
Scales and comparisons
How big is 20999472?- 20,999,472 seconds is equal to 34 weeks, 5 days, 1 hour, 11 minutes, 12 seconds.
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To count from 1 to 20,999,472 would take you about thirteen 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 20999472 cubic inches would be around 23 feet tall.
Recreational maths with 20999472
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The information we have on file for 20999472 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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