128633728
128,633,728 is an even composite number composed of four prime numbers multiplied together.
128633728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 128633728:
27 × 41 × 127 × 193
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 41 × 127 × 193)See below for interesting mathematical facts about the number 128633728 from the Numbermatics database.
Names of 128633728
- Cardinal: 128633728 can be written as One hundred twenty-eight million, six hundred thirty-three thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.28633728 × 108
Factors of 128633728
Divisors of 128633728
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 8 16 32 41 64 82 127 128 164 193 254 328 386 508 656 772 1016 1312 1544 2032 2624 3088 4064 5207 5248 6176 7913 8128 10414 12352 15826 16256 20828 24511 24704 31652 41656 49022 63304 83312 98044 126608 166624 196088 253216 333248 392176 506432 666496 784352 1004951 1012864 1568704 2009902 3137408 4019804 8039608 16079216 32158432 64316864 128633728
- Sum of all divisors σ(n): 265950720
- Sum of proper divisors (its aliquot sum) s(n): 137316992
- 128633728 is an abundant number, because the sum of its proper divisors (137316992) is greater than itself. Its abundance is 8683264
Bases of 128633728
- Binary: 1111010101011001011100000002
- Hexadecimal: 0x7AACB80
- Base-36: 24L2F4
Squares and roots of 128633728
- 128633728 squared (1286337282) is 16546635979177984
- 128633728 cubed (1286337283) is 2128455471860594457444352
-
The
square root of 128633728 is 11341.6810041545 -
The
cube root of 128633728 is 504.7987669949
Scales and comparisons
How big is 128633728?- 128,633,728 seconds is equal to 4 years, 4 weeks, 4 days, 19 hours, 35 minutes, 28 seconds.
-
To count from 1 to 128,633,728 would take you about six years!
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 128633728 cubic inches would be around 42.1 feet tall.
Recreational maths with 128633728
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The information we have on file for 128633728 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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