28388160
28,388,160 is an even composite number composed of four prime numbers multiplied together.
28388160 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 28388160:
26 × 32 × 5 × 9857
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 9857)See below for interesting mathematical facts about the number 28388160 from the Numbermatics database.
Names of 28388160
- Cardinal: 28388160 can be written as Twenty-eight million, three hundred eighty-eight thousand, one hundred sixty.
Scientific notation
- Scientific notation: 2.838816 × 107
Factors of 28388160
Divisors of 28388160
- Number of divisors d(n): 84
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 9857 19714 29571 39428 49285 59142 78856 88713 98570 118284 147855 157712 177426 197140 236568 295710 315424 354852 394280 443565 473136 591420 630848 709704 788560 887130 946272 1182840 1419408 1577120 1774260 1892544 2365680 2838816 3154240 3548520 4731360 5677632 7097040 9462720 14194080 28388160
- Sum of all divisors σ(n): 97653348
- Sum of proper divisors (its aliquot sum) s(n): 69265188
- 28388160 is an abundant number, because the sum of its proper divisors (69265188) is greater than itself. Its abundance is 40877028
Bases of 28388160
- Binary: 11011000100101011010000002
- Hexadecimal: 0x1B12B40
- Base-36: GWGG0
Squares and roots of 28388160
- 28388160 squared (283881602) is 805887628185600
- 28388160 cubed (283881603) is 22877666930953322496000
-
The
square root of 28388160 is 5328.0540537799 -
The
cube root of 28388160 is 305.0556558829
Scales and comparisons
How big is 28388160?- 28,388,160 seconds is equal to 46 weeks, 6 days, 13 hours, 36 minutes.
-
To count from 1 to 28,388,160 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 28388160 cubic inches would be around 25.4 feet tall.
Recreational maths with 28388160
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The information we have on file for 28388160 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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