20720960
20,720,960 is an even composite number composed of five prime numbers multiplied together.
20720960 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 20720960:
26 × 5 × 13 × 17 × 293
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 17 × 293)See below for interesting mathematical facts about the number 20720960 from the Numbermatics database.
Names of 20720960
- Cardinal: 20720960 can be written as Twenty million, seven hundred twenty thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.072096 × 107
Factors of 20720960
Divisors of 20720960
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 4 5 8 10 13 16 17 20 26 32 34 40 52 64 65 68 80 85 104 130 136 160 170 208 221 260 272 293 320 340 416 442 520 544 586 680 832 884 1040 1088 1105 1172 1360 1465 1768 2080 2210 2344 2720 2930 3536 3809 4160 4420 4688 4981 5440 5860 7072 7618 8840 9376 9962 11720 14144 15236 17680 18752 19045 19924 23440 24905 30472 35360 38090 39848 46880 49810 60944 64753 70720 76180 79696 93760 99620 121888 129506 152360 159392 199240 243776 259012 304720 318784 323765 398480 518024 609440 647530 796960 1036048 1218880 1295060 1593920 2072096 2590120 4144192 5180240 10360480 20720960
- Sum of all divisors σ(n): 56455056
- Sum of proper divisors (its aliquot sum) s(n): 35734096
- 20720960 is an abundant number, because the sum of its proper divisors (35734096) is greater than itself. Its abundance is 15013136
Bases of 20720960
- Binary: 10011110000101101010000002
- Hexadecimal: 0x13C2D40
- Base-36: CC4E8
Squares and roots of 20720960
- 20720960 squared (207209602) is 429358183321600
- 20720960 cubed (207209603) is 8896713742279540736000
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The
square root of 20720960 is 4552.0281194211 -
The
cube root of 20720960 is 274.6649804569
Scales and comparisons
How big is 20720960?- 20,720,960 seconds is equal to 34 weeks, 1 day, 19 hours, 49 minutes, 20 seconds.
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To count from 1 to 20,720,960 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 20720960 cubic inches would be around 22.9 feet tall.
Recreational maths with 20720960
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The information we have on file for 20720960 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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