21093750
21,093,750 is an even composite number composed of three prime numbers multiplied together.
21093750 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21093750:
2 × 33 × 58
(2 × 3 × 3 × 3 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5)See below for interesting mathematical facts about the number 21093750 from the Numbermatics database.
Names of 21093750
- Cardinal: 21093750 can be written as Twenty-one million, ninety-three thousand, seven hundred fifty.
Scientific notation
- Scientific notation: 2.109375 × 107
Factors of 21093750
Divisors of 21093750
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 125 135 150 225 250 270 375 450 625 675 750 1125 1250 1350 1875 2250 3125 3375 3750 5625 6250 6750 9375 11250 15625 16875 18750 28125 31250 33750 46875 56250 78125 84375 93750 140625 156250 168750 234375 281250 390625 421875 468750 703125 781250 843750 1171875 1406250 2109375 2343750 3515625 4218750 7031250 10546875 21093750
- Sum of all divisors σ(n): 58593720
- Sum of proper divisors (its aliquot sum) s(n): 37499970
- 21093750 is an abundant number, because the sum of its proper divisors (37499970) is greater than itself. Its abundance is 16406220
Bases of 21093750
- Binary: 10100000111011101011101102
- Hexadecimal: 0x141DD76
- Base-36: CK41I
Squares and roots of 21093750
- 21093750 squared (210937502) is 444946289062500
- 21093750 cubed (210937503) is 9385585784912109375000
-
The
square root of 21093750 is 4592.7932677185 -
The
cube root of 21093750 is 276.3023623981
Scales and comparisons
How big is 21093750?- 21,093,750 seconds is equal to 34 weeks, 6 days, 3 hours, 22 minutes, 30 seconds.
-
To count from 1 to 21,093,750 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 21093750 cubic inches would be around 23 feet tall.
Recreational maths with 21093750
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The information we have on file for 21093750 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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