28688000
28,688,000 is an even composite number composed of four prime numbers multiplied together.
28688000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 28688000:
27 × 53 × 11 × 163
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 11 × 163)See below for interesting mathematical facts about the number 28688000 from the Numbermatics database.
Names of 28688000
- Cardinal: 28688000 can be written as Twenty-eight million, six hundred eighty-eight thousand.
Scientific notation
- Scientific notation: 2.8688 × 107
Factors of 28688000
Divisors of 28688000
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 125 128 160 163 176 200 220 250 275 320 326 352 400 440 500 550 640 652 704 800 815 880 1000 1100 1304 1375 1408 1600 1630 1760 1793 2000 2200 2608 2750 3200 3260 3520 3586 4000 4075 4400 5216 5500 6520 7040 7172 8000 8150 8800 8965 10432 11000 13040 14344 16000 16300 17600 17930 20375 20864 22000 26080 28688 32600 35200 35860 40750 44000 44825 52160 57376 65200 71720 81500 88000 89650 104320 114752 130400 143440 163000 176000 179300 224125 229504 260800 286880 326000 358600 448250 521600 573760 652000 717200 896500 1147520 1304000 1434400 1793000 2608000 2868800 3586000 5737600 7172000 14344000 28688000
- Sum of all divisors σ(n): 78287040
- Sum of proper divisors (its aliquot sum) s(n): 49599040
- 28688000 is an abundant number, because the sum of its proper divisors (49599040) is greater than itself. Its abundance is 20911040
Bases of 28688000
- Binary: 11011010110111110100000002
- Hexadecimal: 0x1B5BE80
- Base-36: H2VSW
Squares and roots of 28688000
- 28688000 squared (286880002) is 823001344000000
- 28688000 cubed (286880003) is 23610262556672000000000
-
The
square root of 28688000 is 5356.1179972065 -
The
cube root of 28688000 is 306.1259111325
Scales and comparisons
How big is 28688000?- 28,688,000 seconds is equal to 47 weeks, 3 days, 53 minutes, 20 seconds.
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To count from 1 to 28,688,000 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 28688000 cubic inches would be around 25.5 feet tall.
Recreational maths with 28688000
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The information we have on file for 28688000 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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