128528015
128,528,015 is an odd composite number composed of five prime numbers multiplied together.
128528015 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 128528015:
5 × 7 × 113 × 31 × 89
(5 × 7 × 11 × 11 × 11 × 31 × 89)See below for interesting mathematical facts about the number 128528015 from the Numbermatics database.
Names of 128528015
- Cardinal: 128528015 can be written as One hundred twenty-eight million, five hundred twenty-eight thousand and fifteen.
Scientific notation
- Scientific notation: 1.28528015 × 108
Factors of 128528015
Divisors of 128528015
- Number of divisors d(n): 64
-
Complete list of divisors:
1 5 7 11 31 35 55 77 89 121 155 217 341 385 445 605 623 847 979 1085 1331 1705 2387 2759 3115 3751 4235 4895 6655 6853 9317 10769 11935 13795 18755 19313 26257 30349 34265 41261 46585 53845 75383 96565 118459 131285 151745 206305 212443 288827 333839 376915 592295 829213 1062215 1444135 1669195 2336873 3672229 4146065 11684365 18361145 25705603 128528015
- Sum of all divisors σ(n): 202383360
- Sum of proper divisors (its aliquot sum) s(n): 73855345
- 128528015 is a deficient number, because the sum of its proper divisors (73855345) is less than itself. Its deficiency is 54672670
Bases of 128528015
- Binary: 1111010100100101110100011112
- Hexadecimal: 0x7A92E8F
- Base-36: 24ISUN
Squares and roots of 128528015
- 128528015 squared (1285280152) is 16519450639840225
- 128528015 cubed (1285280153) is 2123212199629144036403375
-
The
square root of 128528015 is 11337.0196700897 -
The
cube root of 128528015 is 504.6604455301
Scales and comparisons
How big is 128528015?- 128,528,015 seconds is equal to 4 years, 4 weeks, 3 days, 14 hours, 13 minutes, 35 seconds.
-
To count from 1 to 128,528,015 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 128528015 cubic inches would be around 42.1 feet tall.
Recreational maths with 128528015
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The information we have on file for 128528015 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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