28638080
28,638,080 is an even composite number composed of four prime numbers multiplied together.
28638080 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 28638080:
27 × 5 × 29 × 1543
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 29 × 1543)See below for interesting mathematical facts about the number 28638080 from the Numbermatics database.
Names of 28638080
- Cardinal: 28638080 can be written as Twenty-eight million, six hundred thirty-eight thousand and eighty.
Scientific notation
- Scientific notation: 2.863808 × 107
Factors of 28638080
Divisors of 28638080
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 16 20 29 32 40 58 64 80 116 128 145 160 232 290 320 464 580 640 928 1160 1543 1856 2320 3086 3712 4640 6172 7715 9280 12344 15430 18560 24688 30860 44747 49376 61720 89494 98752 123440 178988 197504 223735 246880 357976 447470 493760 715952 894940 987520 1431904 1789880 2863808 3579760 5727616 7159520 14319040 28638080
- Sum of all divisors σ(n): 70869600
- Sum of proper divisors (its aliquot sum) s(n): 42231520
- 28638080 is an abundant number, because the sum of its proper divisors (42231520) is greater than itself. Its abundance is 13593440
Bases of 28638080
- Binary: 11011010011111011100000002
- Hexadecimal: 0x1B4FB80
- Base-36: H1TA8
Squares and roots of 28638080
- 28638080 squared (286380802) is 820139626086400
- 28638080 cubed (286380803) is 23487224223032410112000
-
The
square root of 28638080 is 5351.4558766751 -
The
cube root of 28638080 is 305.9482447675
Scales and comparisons
How big is 28638080?- 28,638,080 seconds is equal to 47 weeks, 2 days, 11 hours, 1 minute, 20 seconds.
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To count from 1 to 28,638,080 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 28638080 cubic inches would be around 25.5 feet tall.
Recreational maths with 28638080
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The information we have on file for 28638080 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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