28894740
28,894,740 is an even composite number composed of six prime numbers multiplied together.
28894740 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 28894740:
22 × 3 × 5 × 7 × 89 × 773
(2 × 2 × 3 × 5 × 7 × 89 × 773)See below for interesting mathematical facts about the number 28894740 from the Numbermatics database.
Names of 28894740
- Cardinal: 28894740 can be written as Twenty-eight million, eight hundred ninety-four thousand, seven hundred forty.
Scientific notation
- Scientific notation: 2.889474 × 107
Factors of 28894740
Divisors of 28894740
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 89 105 140 178 210 267 356 420 445 534 623 773 890 1068 1246 1335 1546 1780 1869 2319 2492 2670 3092 3115 3738 3865 4638 5340 5411 6230 7476 7730 9276 9345 10822 11595 12460 15460 16233 18690 21644 23190 27055 32466 37380 46380 54110 64932 68797 81165 108220 137594 162330 206391 275188 324660 343985 412782 481579 687970 825564 963158 1031955 1375940 1444737 1926316 2063910 2407895 2889474 4127820 4815790 5778948 7223685 9631580 14447370 28894740
- Sum of all divisors σ(n): 93623040
- Sum of proper divisors (its aliquot sum) s(n): 64728300
- 28894740 is an abundant number, because the sum of its proper divisors (64728300) is greater than itself. Its abundance is 35833560
Bases of 28894740
- Binary: 11011100011100110000101002
- Hexadecimal: 0x1B8E614
- Base-36: H7BBO
Squares and roots of 28894740
- 28894740 squared (288947402) is 834905999667600
- 28894740 cubed (288947403) is 24124391784835388424000
-
The
square root of 28894740 is 5375.3827770681 -
The
cube root of 28894740 is 306.8595169051
Scales and comparisons
How big is 28894740?- 28,894,740 seconds is equal to 47 weeks, 5 days, 10 hours, 19 minutes.
-
To count from 1 to 28,894,740 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 28894740 cubic inches would be around 25.6 feet tall.
Recreational maths with 28894740
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The information we have on file for 28894740 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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