28219428
28,219,428 is an even composite number composed of four prime numbers multiplied together.
28219428 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 28219428:
22 × 34 × 251 × 347
(2 × 2 × 3 × 3 × 3 × 3 × 251 × 347)See below for interesting mathematical facts about the number 28219428 from the Numbermatics database.
Names of 28219428
- Cardinal: 28219428 can be written as Twenty-eight million, two hundred nineteen thousand, four hundred twenty-eight.
Scientific notation
- Scientific notation: 2.8219428 × 107
Factors of 28219428
Divisors of 28219428
- Number of divisors d(n): 60
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Complete list of divisors:
1 2 3 4 6 9 12 18 27 36 54 81 108 162 251 324 347 502 694 753 1004 1041 1388 1506 2082 2259 3012 3123 4164 4518 6246 6777 9036 9369 12492 13554 18738 20331 27108 28107 37476 40662 56214 81324 87097 112428 174194 261291 348388 522582 783873 1045164 1567746 2351619 3135492 4703238 7054857 9406476 14109714 28219428
- Sum of all divisors σ(n): 74278512
- Sum of proper divisors (its aliquot sum) s(n): 46059084
- 28219428 is an abundant number, because the sum of its proper divisors (46059084) is greater than itself. Its abundance is 17839656
Bases of 28219428
- Binary: 11010111010011000001001002
- Hexadecimal: 0x1AE9824
- Base-36: GSU90
Squares and roots of 28219428
- 28219428 squared (282194282) is 796336116647184
- 28219428 cubed (282194283) is 22472149707524810290752
-
The
square root of 28219428 is 5312.1961560169 -
The
cube root of 28219428 is 304.4500633973
Scales and comparisons
How big is 28219428?- 28,219,428 seconds is equal to 46 weeks, 4 days, 14 hours, 43 minutes, 48 seconds.
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To count from 1 to 28,219,428 would take you about seventeen 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 28219428 cubic inches would be around 25.4 feet tall.
Recreational maths with 28219428
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The information we have on file for 28219428 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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