28429856
28,429,856 is an even composite number composed of four prime numbers multiplied together.
28429856 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 28429856:
25 × 7 × 132 × 751
(2 × 2 × 2 × 2 × 2 × 7 × 13 × 13 × 751)See below for interesting mathematical facts about the number 28429856 from the Numbermatics database.
Names of 28429856
- Cardinal: 28429856 can be written as Twenty-eight million, four hundred twenty-nine thousand, eight hundred fifty-six.
Scientific notation
- Scientific notation: 2.8429856 × 107
Factors of 28429856
Divisors of 28429856
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 169 182 208 224 338 364 416 676 728 751 1183 1352 1456 1502 2366 2704 2912 3004 4732 5257 5408 6008 9464 9763 10514 12016 18928 19526 21028 24032 37856 39052 42056 68341 78104 84112 126919 136682 156208 168224 253838 273364 312416 507676 546728 888433 1015352 1093456 1776866 2030704 2186912 3553732 4061408 7107464 14214928 28429856
- Sum of all divisors σ(n): 69358464
- Sum of proper divisors (its aliquot sum) s(n): 40928608
- 28429856 is an abundant number, because the sum of its proper divisors (40928608) is greater than itself. Its abundance is 12498752
Bases of 28429856
- Binary: 11011000111001110001000002
- Hexadecimal: 0x1B1CE20
- Base-36: GXCM8
Squares and roots of 28429856
- 28429856 squared (284298562) is 808256712180736
- 28429856 cubed (284298563) is 22978621938331770454016
-
The
square root of 28429856 is 5331.9654912611 -
The
cube root of 28429856 is 305.2049361729
Scales and comparisons
How big is 28429856?- 28,429,856 seconds is equal to 47 weeks, 1 hour, 10 minutes, 56 seconds.
-
To count from 1 to 28,429,856 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 28429856 cubic inches would be around 25.4 feet tall.
Recreational maths with 28429856
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The information we have on file for 28429856 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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