20643272
20,643,272 is an even composite number composed of five prime numbers multiplied together.
20643272 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 20643272:
23 × 13 × 19 × 31 × 337
(2 × 2 × 2 × 13 × 19 × 31 × 337)See below for interesting mathematical facts about the number 20643272 from the Numbermatics database.
Names of 20643272
- Cardinal: 20643272 can be written as Twenty million, six hundred forty-three thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 2.0643272 × 107
Factors of 20643272
Divisors of 20643272
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 8 13 19 26 31 38 52 62 76 104 124 152 247 248 337 403 494 589 674 806 988 1178 1348 1612 1976 2356 2696 3224 4381 4712 6403 7657 8762 10447 12806 15314 17524 20894 25612 30628 35048 41788 51224 61256 83239 83576 135811 166478 198493 271622 332956 396986 543244 665912 793972 1086488 1587944 2580409 5160818 10321636 20643272
- Sum of all divisors σ(n): 45427200
- Sum of proper divisors (its aliquot sum) s(n): 24783928
- 20643272 is an abundant number, because the sum of its proper divisors (24783928) is greater than itself. Its abundance is 4140656
Bases of 20643272
- Binary: 10011101011111101110010002
- Hexadecimal: 0x13AFDC8
- Base-36: CAGG8
Squares and roots of 20643272
- 20643272 squared (206432722) is 426144678865984
- 20643272 cubed (206432723) is 8797020517183159259648
-
The
square root of 20643272 is 4543.4867667905 -
The
cube root of 20643272 is 274.3212882719
Scales and comparisons
How big is 20643272?- 20,643,272 seconds is equal to 34 weeks, 22 hours, 14 minutes, 32 seconds.
-
To count from 1 to 20,643,272 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 20643272 cubic inches would be around 22.9 feet tall.
Recreational maths with 20643272
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The information we have on file for 20643272 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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