2138638008
2,138,638,008 is an even composite number composed of five prime numbers multiplied together.
2138638008 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 2138638008:
23 × 3 × 13 × 461 × 14869
(2 × 2 × 2 × 3 × 13 × 461 × 14869)See below for interesting mathematical facts about the number 2138638008 from the Numbermatics database.
Names of 2138638008
- Cardinal: 2138638008 can be written as Two billion, one hundred thirty-eight million, six hundred thirty-eight thousand and eight.
Scientific notation
- Scientific notation: 2.138638008 × 109
Factors of 2138638008
Divisors of 2138638008
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 461 922 1383 1844 2766 3688 5532 5993 11064 11986 14869 17979 23972 29738 35958 44607 47944 59476 71916 89214 118952 143832 178428 193297 356856 386594 579891 773188 1159782 1546376 2319564 4639128 6854609 13709218 20563827 27418436 41127654 54836872 82255308 89109917 164510616 178219834 267329751 356439668 534659502 712879336 1069319004 2138638008
- Sum of all divisors σ(n): 5770749600
- Sum of proper divisors (its aliquot sum) s(n): 3632111592
- 2138638008 is an abundant number, because the sum of its proper divisors (3632111592) is greater than itself. Its abundance is 1493473584
Bases of 2138638008
- Binary: 11111110111100100000110101110002
- Hexadecimal: 0x7F7906B8
- Base-36: ZDAFNC
Squares and roots of 2138638008
- 2138638008 squared (21386380082) is 4573772529262208064
- 2138638008 cubed (21386380083) is 9781643771026450363674496512
-
The
square root of 2138638008 is 46245.4106696005 -
The
cube root of 2138638008 is 1288.3852977789
Scales and comparisons
How big is 2138638008?- 2,138,638,008 seconds is equal to 68 years, 18 hours, 6 minutes, 48 seconds.
-
To count from 1 to 2,138,638,008 would take you about one hundred thirty-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 2138638008 cubic inches would be around 107.4 feet tall.
Recreational maths with 2138638008
- 2138638008 backwards is 8008368312
- 2138638008 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 2138638008's digits is 39
- More coming soon!
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The information we have on file for 2138638008 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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