28238280
28,238,280 is an even composite number composed of five prime numbers multiplied together.
28238280 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 28238280:
23 × 3 × 5 × 7 × 33617
(2 × 2 × 2 × 3 × 5 × 7 × 33617)See below for interesting mathematical facts about the number 28238280 from the Numbermatics database.
Names of 28238280
- Cardinal: 28238280 can be written as Twenty-eight million, two hundred thirty-eight thousand, two hundred eighty.
Scientific notation
- Scientific notation: 2.823828 × 107
Factors of 28238280
Divisors of 28238280
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 33617 67234 100851 134468 168085 201702 235319 268936 336170 403404 470638 504255 672340 705957 806808 941276 1008510 1176595 1344680 1411914 1882552 2017020 2353190 2823828 3529785 4034040 4706380 5647656 7059570 9412760 14119140 28238280
- Sum of all divisors σ(n): 96819840
- Sum of proper divisors (its aliquot sum) s(n): 68581560
- 28238280 is an abundant number, because the sum of its proper divisors (68581560) is greater than itself. Its abundance is 40343280
Bases of 28238280
- Binary: 11010111011100001110010002
- Hexadecimal: 0x1AEE1C8
- Base-36: GT8SO
Squares and roots of 28238280
- 28238280 squared (282382802) is 797400457358400
- 28238280 cubed (282382803) is 22517217387014559552000
-
The
square root of 28238280 is 5313.9702671353 -
The
cube root of 28238280 is 304.5178443007
Scales and comparisons
How big is 28238280?- 28,238,280 seconds is equal to 46 weeks, 4 days, 19 hours, 58 minutes.
-
To count from 1 to 28,238,280 would take you about eighteen 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 28238280 cubic inches would be around 25.4 feet tall.
Recreational maths with 28238280
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The information we have on file for 28238280 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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