1388728796
1,388,728,796 is an even composite number composed of four prime numbers multiplied together.
1388728796 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 1388728796:
22 × 76 × 13 × 227
(2 × 2 × 7 × 7 × 7 × 7 × 7 × 7 × 13 × 227)See below for interesting mathematical facts about the number 1388728796 from the Numbermatics database.
Names of 1388728796
- Cardinal: 1388728796 can be written as One billion, three hundred eighty-eight million, seven hundred twenty-eight thousand, seven hundred ninety-six.
Scientific notation
- Scientific notation: 1.388728796 × 109
Factors of 1388728796
Divisors of 1388728796
- Number of divisors d(n): 84
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Complete list of divisors:
1 2 4 7 13 14 26 28 49 52 91 98 182 196 227 343 364 454 637 686 908 1274 1372 1589 2401 2548 2951 3178 4459 4802 5902 6356 8918 9604 11123 11804 16807 17836 20657 22246 31213 33614 41314 44492 62426 67228 77861 82628 117649 124852 144599 155722 218491 235298 289198 311444 436982 470596 545027 578396 873964 1012193 1090054 1529437 2024386 2180108 3058874 3815189 4048772 6117748 7085351 7630378 14170702 15260756 26706323 28341404 49597457 53412646 99194914 106825292 198389828 347182199 694364398 1388728796
- Sum of all divisors σ(n): 3066870408
- Sum of proper divisors (its aliquot sum) s(n): 1678141612
- 1388728796 is an abundant number, because the sum of its proper divisors (1678141612) is greater than itself. Its abundance is 289412816
Bases of 1388728796
- Binary: 10100101100011001010001110111002
- Hexadecimal: 0x52C651DC
- Base-36: MYT9ZW
Squares and roots of 1388728796
- 1388728796 squared (13887287962) is 1928567668839609616
- 1388728796 cubed (13887287963) is 2678257456752157779137702336
-
The
square root of 1388728796 is 37265.6516916047 -
The
cube root of 1388728796 is 1115.6787132411
Scales and comparisons
How big is 1388728796?- 1,388,728,796 seconds is equal to 44 years, 8 weeks, 1 day, 5 hours, 59 minutes, 56 seconds.
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To count from 1 to 1,388,728,796 would take you about eighty-eight 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 1388728796 cubic inches would be around 93 feet tall.
Recreational maths with 1388728796
- 1388728796 backwards is 6978278831
- The number of decimal digits it has is: 10
- The sum of 1388728796's digits is 59
- More coming soon!
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The information we have on file for 1388728796 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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