28163720
28,163,720 is an even composite number composed of five prime numbers multiplied together.
28163720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 28163720:
23 × 5 × 13 × 41 × 1321
(2 × 2 × 2 × 5 × 13 × 41 × 1321)See below for interesting mathematical facts about the number 28163720 from the Numbermatics database.
Names of 28163720
- Cardinal: 28163720 can be written as Twenty-eight million, one hundred sixty-three thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.816372 × 107
Factors of 28163720
Divisors of 28163720
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 13 20 26 40 41 52 65 82 104 130 164 205 260 328 410 520 533 820 1066 1321 1640 2132 2642 2665 4264 5284 5330 6605 10568 10660 13210 17173 21320 26420 34346 52840 54161 68692 85865 108322 137384 171730 216644 270805 343460 433288 541610 686920 704093 1083220 1408186 2166440 2816372 3520465 5632744 7040930 14081860 28163720
- Sum of all divisors σ(n): 69960240
- Sum of proper divisors (its aliquot sum) s(n): 41796520
- 28163720 is an abundant number, because the sum of its proper divisors (41796520) is greater than itself. Its abundance is 13632800
Bases of 28163720
- Binary: 11010110110111110100010002
- Hexadecimal: 0x1ADBE88
- Base-36: GRN9K
Squares and roots of 28163720
- 28163720 squared (281637202) is 793195124238400
- 28163720 cubed (281637203) is 22339325384415510848000
-
The
square root of 28163720 is 5306.9501599317 -
The
cube root of 28163720 is 304.2495930353
Scales and comparisons
How big is 28163720?- 28,163,720 seconds is equal to 46 weeks, 3 days, 23 hours, 15 minutes, 20 seconds.
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To count from 1 to 28,163,720 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 28163720 cubic inches would be around 25.4 feet tall.
Recreational maths with 28163720
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The information we have on file for 28163720 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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