20940768
20,940,768 is an even composite number composed of three prime numbers multiplied together.
20940768 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 20940768:
25 × 35 × 2693
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 2693)See below for interesting mathematical facts about the number 20940768 from the Numbermatics database.
Names of 20940768
- Cardinal: 20940768 can be written as Twenty million, nine hundred forty thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 2.0940768 × 107
Factors of 20940768
Divisors of 20940768
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 324 432 486 648 864 972 1296 1944 2592 2693 3888 5386 7776 8079 10772 16158 21544 24237 32316 43088 48474 64632 72711 86176 96948 129264 145422 193896 218133 258528 290844 387792 436266 581688 654399 775584 872532 1163376 1308798 1745064 2326752 2617596 3490128 5235192 6980256 10470384 20940768
- Sum of all divisors σ(n): 61778808
- Sum of proper divisors (its aliquot sum) s(n): 40838040
- 20940768 is an abundant number, because the sum of its proper divisors (40838040) is greater than itself. Its abundance is 19897272
Bases of 20940768
- Binary: 10011111110000111111000002
- Hexadecimal: 0x13F87E0
- Base-36: CGU00
Squares and roots of 20940768
- 20940768 squared (209407682) is 438515764429824
- 20940768 cubed (209407683) is 9182856887267596664832
-
The
square root of 20940768 is 4576.1083903247 -
The
cube root of 20940768 is 275.6327819543
Scales and comparisons
How big is 20940768?- 20,940,768 seconds is equal to 34 weeks, 4 days, 8 hours, 52 minutes, 48 seconds.
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To count from 1 to 20,940,768 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 20940768 cubic inches would be around 23 feet tall.
Recreational maths with 20940768
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The information we have on file for 20940768 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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