20538090
20,538,090 is an even composite number composed of six prime numbers multiplied together.
20538090 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 20538090:
2 × 33 × 5 × 29 × 43 × 61
(2 × 3 × 3 × 3 × 5 × 29 × 43 × 61)See below for interesting mathematical facts about the number 20538090 from the Numbermatics database.
Names of 20538090
- Cardinal: 20538090 can be written as Twenty million, five hundred thirty-eight thousand and ninety.
Scientific notation
- Scientific notation: 2.053809 × 107
Factors of 20538090
Divisors of 20538090
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 29 30 43 45 54 58 61 86 87 90 122 129 135 145 174 183 215 258 261 270 290 305 366 387 430 435 522 549 610 645 774 783 870 915 1098 1161 1247 1290 1305 1566 1647 1769 1830 1935 2322 2494 2610 2623 2745 3294 3538 3741 3870 3915 5246 5307 5490 5805 6235 7482 7830 7869 8235 8845 10614 11223 11610 12470 13115 15738 15921 16470 17690 18705 22446 23607 26230 26535 31842 33669 37410 39345 47214 47763 53070 56115 67338 70821 76067 78690 79605 95526 112230 118035 141642 152134 159210 168345 228201 236070 238815 336690 354105 380335 456402 477630 684603 708210 760670 1141005 1369206 2053809 2282010 3423015 4107618 6846030 10269045 20538090
- Sum of all divisors σ(n): 58924800
- Sum of proper divisors (its aliquot sum) s(n): 38386710
- 20538090 is an abundant number, because the sum of its proper divisors (38386710) is greater than itself. Its abundance is 17848620
Bases of 20538090
- Binary: 10011100101100010111010102
- Hexadecimal: 0x13962EA
- Base-36: C87AI
Squares and roots of 20538090
- 20538090 squared (205380902) is 421813140848100
- 20538090 cubed (205380903) is 8663236249920954129000
-
The
square root of 20538090 is 4531.8969538153 -
The
cube root of 20538090 is 273.8545856715
Scales and comparisons
How big is 20538090?- 20,538,090 seconds is equal to 33 weeks, 6 days, 17 hours, 1 minute, 30 seconds.
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To count from 1 to 20,538,090 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 20538090 cubic inches would be around 22.8 feet tall.
Recreational maths with 20538090
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The information we have on file for 20538090 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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