28689768
28,689,768 is an even composite number composed of four prime numbers multiplied together.
28689768 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 28689768:
23 × 33 × 317 × 419
(2 × 2 × 2 × 3 × 3 × 3 × 317 × 419)See below for interesting mathematical facts about the number 28689768 from the Numbermatics database.
Names of 28689768
- Cardinal: 28689768 can be written as Twenty-eight million, six hundred eighty-nine thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 2.8689768 × 107
Factors of 28689768
Divisors of 28689768
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 317 419 634 838 951 1257 1268 1676 1902 2514 2536 2853 3352 3771 3804 5028 5706 7542 7608 8559 10056 11313 11412 15084 17118 22626 22824 30168 34236 45252 68472 90504 132823 265646 398469 531292 796938 1062584 1195407 1593876 2390814 3187752 3586221 4781628 7172442 9563256 14344884 28689768
- Sum of all divisors σ(n): 80136000
- Sum of proper divisors (its aliquot sum) s(n): 51446232
- 28689768 is an abundant number, because the sum of its proper divisors (51446232) is greater than itself. Its abundance is 22756464
Bases of 28689768
- Binary: 11011010111000101011010002
- Hexadecimal: 0x1B5C568
- Base-36: H2X60
Squares and roots of 28689768
- 28689768 squared (286897682) is 823102787893824
- 28689768 cubed (286897683) is 23614628024827019192832
-
The
square root of 28689768 is 5356.2830395713 -
The
cube root of 28689768 is 306.1321997025
Scales and comparisons
How big is 28689768?- 28,689,768 seconds is equal to 47 weeks, 3 days, 1 hour, 22 minutes, 48 seconds.
-
To count from 1 to 28,689,768 would take you about nineteen 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 28689768 cubic inches would be around 25.5 feet tall.
Recreational maths with 28689768
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The information we have on file for 28689768 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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