21085288
21,085,288 is an even composite number composed of four prime numbers multiplied together.
21085288 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21085288:
23 × 72 × 192 × 149
(2 × 2 × 2 × 7 × 7 × 19 × 19 × 149)See below for interesting mathematical facts about the number 21085288 from the Numbermatics database.
Names of 21085288
- Cardinal: 21085288 can be written as Twenty-one million, eighty-five thousand, two hundred eighty-eight.
Scientific notation
- Scientific notation: 2.1085288 × 107
Factors of 21085288
Divisors of 21085288
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 7 8 14 19 28 38 49 56 76 98 133 149 152 196 266 298 361 392 532 596 722 931 1043 1064 1192 1444 1862 2086 2527 2831 2888 3724 4172 5054 5662 7301 7448 8344 10108 11324 14602 17689 19817 20216 22648 29204 35378 39634 53789 58408 70756 79268 107578 138719 141512 158536 215156 277438 376523 430312 554876 753046 1109752 1506092 2635661 3012184 5271322 10542644 21085288
- Sum of all divisors σ(n): 48863250
- Sum of proper divisors (its aliquot sum) s(n): 27777962
- 21085288 is an abundant number, because the sum of its proper divisors (27777962) is greater than itself. Its abundance is 6692674
Bases of 21085288
- Binary: 10100000110111100011010002
- Hexadecimal: 0x141BC68
- Base-36: CJXIG
Squares and roots of 21085288
- 21085288 squared (210852882) is 444589370042944
- 21085288 cubed (210852883) is 9374294909094046607872
-
The
square root of 21085288 is 4591.8719494341 -
The
cube root of 21085288 is 276.2654101681
Scales and comparisons
How big is 21085288?- 21,085,288 seconds is equal to 34 weeks, 6 days, 1 hour, 1 minute, 28 seconds.
-
To count from 1 to 21,085,288 would take you about two days!
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 21085288 cubic inches would be around 23 feet tall.
Recreational maths with 21085288
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 21085288 - Facts about the integer". Numbermatics.com. 2024. Web. 29 April 2024.
APA style:
Numbermatics. (2024). Number 21085288 - Facts about the integer. Retrieved 29 April 2024, from https://numbermatics.com/n/21085288/
Chicago style:
Numbermatics. 2024. "Number 21085288 - Facts about the integer". https://numbermatics.com/n/21085288/
The information we have on file for 21085288 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 21085288, math, Factors of 21085288, curriculum, school, college, exams, university, Prime factorization of 21085288, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, eighty-five thousand, two hundred eighty-eight.