20479872
20,479,872 is an even composite number composed of five prime numbers multiplied together.
20479872 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 20479872:
27 × 3 × 7 × 19 × 401
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 19 × 401)See below for interesting mathematical facts about the number 20479872 from the Numbermatics database.
Names of 20479872
- Cardinal: 20479872 can be written as Twenty million, four hundred seventy-nine thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.0479872 × 107
Factors of 20479872
Divisors of 20479872
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 56 57 64 76 84 96 112 114 128 133 152 168 192 224 228 266 304 336 384 399 401 448 456 532 608 672 798 802 896 912 1064 1203 1216 1344 1596 1604 1824 2128 2406 2432 2688 2807 3192 3208 3648 4256 4812 5614 6384 6416 7296 7619 8421 8512 9624 11228 12768 12832 15238 16842 17024 19248 22456 22857 25536 25664 30476 33684 38496 44912 45714 51072 51328 53333 60952 67368 76992 89824 91428 106666 121904 134736 153984 159999 179648 182856 213332 243808 269472 319998 359296 365712 426664 487616 538944 639996 731424 853328 975232 1077888 1279992 1462848 1706656 2559984 2925696 3413312 5119968 6826624 10239936 20479872
- Sum of all divisors σ(n): 65606400
- Sum of proper divisors (its aliquot sum) s(n): 45126528
- 20479872 is an abundant number, because the sum of its proper divisors (45126528) is greater than itself. Its abundance is 24646656
Bases of 20479872
- Binary: 10011100001111111100000002
- Hexadecimal: 0x1387F80
- Base-36: C6YDC
Squares and roots of 20479872
- 20479872 squared (204798722) is 419425157136384
- 20479872 cubed (204798723) is 8589773531733030862848
-
The
square root of 20479872 is 4525.4692574361 -
The
cube root of 20479872 is 273.5955814751
Scales and comparisons
How big is 20479872?- 20,479,872 seconds is equal to 33 weeks, 6 days, 51 minutes, 12 seconds.
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To count from 1 to 20,479,872 would take you about fifty 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 20479872 cubic inches would be around 22.8 feet tall.
Recreational maths with 20479872
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The information we have on file for 20479872 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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