813385728
813,385,728 is an even composite number composed of three prime numbers multiplied together.
813385728 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 813385728:
211 × 32 × 44129
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 44129)See below for interesting mathematical facts about the number 813385728 from the Numbermatics database.
Names of 813385728
- Cardinal: 813385728 can be written as Eight hundred thirteen million, three hundred eighty-five thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 8.13385728 × 108
Factors of 813385728
Divisors of 813385728
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2048 2304 3072 4608 6144 9216 18432 44129 88258 132387 176516 264774 353032 397161 529548 706064 794322 1059096 1412128 1588644 2118192 2824256 3177288 4236384 5648512 6354576 8472768 11297024 12709152 16945536 22594048 25418304 33891072 45188096 50836608 67782144 90376192 101673216 135564288 203346432 271128576 406692864 813385728
- Sum of all divisors σ(n): 2349260550
- Sum of proper divisors (its aliquot sum) s(n): 1535874822
- 813385728 is an abundant number, because the sum of its proper divisors (1535874822) is greater than itself. Its abundance is 722489094
Bases of 813385728
- Binary: 1100000111101101001000000000002
- Hexadecimal: 0x307B4800
- Base-36: DG9OG0
Squares and roots of 813385728
- 813385728 squared (8133857282) is 661596342514089984
- 813385728 cubed (8133857283) is 538133022697960431893348352
-
The
square root of 813385728 is 28519.9180924491 -
The
cube root of 813385728 is 933.4667419277
Scales and comparisons
How big is 813385728?- 813,385,728 seconds is equal to 25 years, 44 weeks, 6 days, 4 hours, 28 minutes, 48 seconds.
-
To count from 1 to 813,385,728 would take you about thirty-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 813385728 cubic inches would be around 77.8 feet tall.
Recreational maths with 813385728
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 813385728 - Facts about the integer". Numbermatics.com. 2024. Web. 28 April 2024.
APA style:
Numbermatics. (2024). Number 813385728 - Facts about the integer. Retrieved 28 April 2024, from https://numbermatics.com/n/813385728/
Chicago style:
Numbermatics. 2024. "Number 813385728 - Facts about the integer". https://numbermatics.com/n/813385728/
The information we have on file for 813385728 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!
Keywords: Divisors of 813385728, math, Factors of 813385728, curriculum, school, college, exams, university, Prime factorization of 813385728, STEM, science, technology, engineering, physics, economics, calculator, eight hundred thirteen million, three hundred eighty-five thousand, seven hundred twenty-eight.