21389012142
21,389,012,142 is an even composite number composed of four prime numbers multiplied together.
What does the number 21389012142 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.
21389012142 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.
Prime factorization of 21389012142:
2 × 3 × 6977 × 510941
See below for interesting mathematical facts about the number 21389012142 from the Numbermatics database.
Names of 21389012142
- Cardinal: 21389012142 can be written as Twenty-one billion, three hundred eighty-nine million, twelve thousand, one hundred forty-two.
Scientific notation
- Scientific notation: 2.1389012142 × 1010
Factors of 21389012142
Divisors of 21389012142
- Number of divisors d(n): 16
- Complete list of divisors:
- Sum of all divisors σ(n): 42784239312
- Sum of proper divisors (its aliquot sum) s(n): 21395227170
- 21389012142 is an abundant number, because the sum of its proper divisors (21395227170) is greater than itself. Its abundance is 6215028
Bases of 21389012142
- Binary: 100111110101110001001101100101011102
- Hexadecimal: 0x4FAE26CAE
- Base-36: 9TQGRE6
Squares and roots of 21389012142
- 21389012142 squared (213890121422) is 457489840410623428164
- 21389012142 cubed (213890121423) is 9785255751384466770789460767288
-
The
square root of 21389012142 is 146249.8278357961 -
The
cube root of 21389012142 is 2775.8558469183
Scales and comparisons
How big is 21389012142?- 21,389,012,142 seconds is equal to 680 years, 5 weeks, 3 days, 15 minutes, 42 seconds.
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To count from 1 to 21,389,012,142 would take you about one thousand, three hundred sixty 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 21389012142 cubic inches would be around 231.3 feet tall.
Recreational maths with 21389012142
- 21389012142 backwards is 24121098312
- The number of decimal digits it has is: 11
- The sum of 21389012142's digits is 33
- More coming soon!
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The information we have on file for 21389012142 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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