20831328
20,831,328 is an even composite number composed of four prime numbers multiplied together.
20831328 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 20831328:
25 × 32 × 7 × 10333
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 10333)See below for interesting mathematical facts about the number 20831328 from the Numbermatics database.
Names of 20831328
- Cardinal: 20831328 can be written as Twenty million, eight hundred thirty-one thousand, three hundred twenty-eight.
Scientific notation
- Scientific notation: 2.0831328 × 107
Factors of 20831328
Divisors of 20831328
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 10333 20666 30999 41332 61998 72331 82664 92997 123996 144662 165328 185994 216993 247992 289324 330656 371988 433986 495984 578648 650979 743976 867972 991968 1157296 1301958 1487952 1735944 2314592 2603916 2975904 3471888 5207832 6943776 10415664 20831328
- Sum of all divisors σ(n): 67708368
- Sum of proper divisors (its aliquot sum) s(n): 46877040
- 20831328 is an abundant number, because the sum of its proper divisors (46877040) is greater than itself. Its abundance is 26045712
Bases of 20831328
- Binary: 10011110111011100011000002
- Hexadecimal: 0x13DDC60
- Base-36: CEHK0
Squares and roots of 20831328
- 20831328 squared (208313282) is 433944226243584
- 20831328 cubed (208313283) is 9039634510586306199552
-
The
square root of 20831328 is 4564.1349673295 -
The
cube root of 20831328 is 275.1517751715
Scales and comparisons
How big is 20831328?- 20,831,328 seconds is equal to 34 weeks, 3 days, 2 hours, 28 minutes, 48 seconds.
-
To count from 1 to 20,831,328 would take you about fifty-one weeks!
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 20831328 cubic inches would be around 22.9 feet tall.
Recreational maths with 20831328
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The information we have on file for 20831328 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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