28143738
28,143,738 is an even composite number composed of five prime numbers multiplied together.
28143738 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 28143738:
2 × 32 × 72 × 17 × 1877
(2 × 3 × 3 × 7 × 7 × 17 × 1877)See below for interesting mathematical facts about the number 28143738 from the Numbermatics database.
Names of 28143738
- Cardinal: 28143738 can be written as Twenty-eight million, one hundred forty-three thousand, seven hundred thirty-eight.
Scientific notation
- Scientific notation: 2.8143738 × 107
Factors of 28143738
Divisors of 28143738
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 6 7 9 14 17 18 21 34 42 49 51 63 98 102 119 126 147 153 238 294 306 357 441 714 833 882 1071 1666 1877 2142 2499 3754 4998 5631 7497 11262 13139 14994 16893 26278 31909 33786 39417 63818 78834 91973 95727 118251 183946 191454 223363 236502 275919 287181 446726 551838 574362 670089 827757 1340178 1563541 1655514 2010267 3127082 4020534 4690623 9381246 14071869 28143738
- Sum of all divisors σ(n): 75146292
- Sum of proper divisors (its aliquot sum) s(n): 47002554
- 28143738 is an abundant number, because the sum of its proper divisors (47002554) is greater than itself. Its abundance is 18858816
Bases of 28143738
- Binary: 11010110101110000011110102
- Hexadecimal: 0x1AD707A
- Base-36: GR7UI
Squares and roots of 28143738
- 28143738 squared (281437382) is 792069988612644
- 28143738 cubed (281437383) is 22291810237177236223272
-
The
square root of 28143738 is 5305.0672003283 -
The
cube root of 28143738 is 304.1776215567
Scales and comparisons
How big is 28143738?- 28,143,738 seconds is equal to 46 weeks, 3 days, 17 hours, 42 minutes, 18 seconds.
-
To count from 1 to 28,143,738 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 28143738 cubic inches would be around 25.3 feet tall.
Recreational maths with 28143738
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The information we have on file for 28143738 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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