28288740
28,288,740 is an even composite number composed of six prime numbers multiplied together.
28288740 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 28288740:
22 × 3 × 5 × 31 × 67 × 227
(2 × 2 × 3 × 5 × 31 × 67 × 227)See below for interesting mathematical facts about the number 28288740 from the Numbermatics database.
Names of 28288740
- Cardinal: 28288740 can be written as Twenty-eight million, two hundred eighty-eight thousand, seven hundred forty.
Scientific notation
- Scientific notation: 2.828874 × 107
Factors of 28288740
Divisors of 28288740
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 30 31 60 62 67 93 124 134 155 186 201 227 268 310 335 372 402 454 465 620 670 681 804 908 930 1005 1135 1340 1362 1860 2010 2077 2270 2724 3405 4020 4154 4540 6231 6810 7037 8308 10385 12462 13620 14074 15209 20770 21111 24924 28148 30418 31155 35185 41540 42222 45627 60836 62310 70370 76045 84444 91254 105555 124620 140740 152090 182508 211110 228135 304180 422220 456270 471479 912540 942958 1414437 1885916 2357395 2828874 4714790 5657748 7072185 9429580 14144370 28288740
- Sum of all divisors σ(n): 83349504
- Sum of proper divisors (its aliquot sum) s(n): 55060764
- 28288740 is an abundant number, because the sum of its proper divisors (55060764) is greater than itself. Its abundance is 26772024
Bases of 28288740
- Binary: 11010111110100110111001002
- Hexadecimal: 0x1AFA6E4
- Base-36: GUBQC
Squares and roots of 28288740
- 28288740 squared (282887402) is 800252810787600
- 28288740 cubed (282887403) is 22638143698639611624000
-
The
square root of 28288740 is 5318.7160104671 -
The
cube root of 28288740 is 304.6991210031
Scales and comparisons
How big is 28288740?- 28,288,740 seconds is equal to 46 weeks, 5 days, 9 hours, 59 minutes.
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To count from 1 to 28,288,740 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 28288740 cubic inches would be around 25.4 feet tall.
Recreational maths with 28288740
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The information we have on file for 28288740 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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