21329672
21,329,672 is an even composite number composed of five prime numbers multiplied together.
What does the number 21329672 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 64 divisors.
21329672 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21329672:
23 × 7 × 13 × 83 × 353
(2 × 2 × 2 × 7 × 13 × 83 × 353)See below for interesting mathematical facts about the number 21329672 from the Numbermatics database.
Names of 21329672
- Cardinal: 21329672 can be written as Twenty-one million, three hundred twenty-nine thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 2.1329672 × 107
Factors of 21329672
Divisors of 21329672
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 7 8 13 14 26 28 52 56 83 91 104 166 182 332 353 364 581 664 706 728 1079 1162 1412 2158 2324 2471 2824 4316 4589 4648 4942 7553 8632 9178 9884 15106 18356 19768 29299 30212 32123 36712 58598 60424 64246 117196 128492 205093 234392 256984 380887 410186 761774 820372 1523548 1640744 2666209 3047096 5332418 10664836 21329672
- Sum of all divisors σ(n): 49956480
- Sum of proper divisors (its aliquot sum) s(n): 28626808
- 21329672 is an abundant number, because the sum of its proper divisors (28626808) is greater than itself. Its abundance is 7297136
Bases of 21329672
- Binary: 10100010101110111000010002
- Hexadecimal: 0x1457708
- Base-36: CP62W
Squares and roots of 21329672
- 21329672 squared (213296722) is 454954907627584
- 21329672 cubed (213296723) is 9704038954486664872448
-
The
square root of 21329672 is 4618.4057855499 -
The
cube root of 21329672 is 277.3286424153
Scales and comparisons
How big is 21329672?- 21,329,672 seconds is equal to 35 weeks, 1 day, 20 hours, 54 minutes, 32 seconds.
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To count from 1 to 21,329,672 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 21329672 cubic inches would be around 23.1 feet tall.
Recreational maths with 21329672
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The information we have on file for 21329672 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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