20490000
20,490,000 is an even composite number composed of four prime numbers multiplied together.
20490000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred divisors.
Prime factorization of 20490000:
24 × 3 × 54 × 683
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 683)See below for interesting mathematical facts about the number 20490000 from the Numbermatics database.
Names of 20490000
- Cardinal: 20490000 can be written as Twenty million, four hundred ninety thousand.
Scientific notation
- Scientific notation: 2.049 × 107
Factors of 20490000
Divisors of 20490000
- Number of divisors d(n): 100
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 625 683 750 1000 1200 1250 1366 1500 1875 2000 2049 2500 2732 3000 3415 3750 4098 5000 5464 6000 6830 7500 8196 10000 10245 10928 13660 15000 16392 17075 20490 27320 30000 32784 34150 40980 51225 54640 68300 81960 85375 102450 136600 163920 170750 204900 256125 273200 341500 409800 426875 512250 683000 819600 853750 1024500 1280625 1366000 1707500 2049000 2561250 3415000 4098000 5122500 6830000 10245000 20490000
- Sum of all divisors σ(n): 66241296
- Sum of proper divisors (its aliquot sum) s(n): 45751296
- 20490000 is an abundant number, because the sum of its proper divisors (45751296) is greater than itself. Its abundance is 25261296
Bases of 20490000
- Binary: 10011100010100111000100002
- Hexadecimal: 0x138A710
- Base-36: C766O
Squares and roots of 20490000
- 20490000 squared (204900002) is 419840100000000
- 20490000 cubed (204900003) is 8602523649000000000000
-
The
square root of 20490000 is 4526.5881191025 -
The
cube root of 20490000 is 273.6406748461
Scales and comparisons
How big is 20490000?- 20,490,000 seconds is equal to 33 weeks, 6 days, 3 hours, 40 minutes.
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To count from 1 to 20,490,000 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 20490000 cubic inches would be around 22.8 feet tall.
Recreational maths with 20490000
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The information we have on file for 20490000 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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