13538743840
13,538,743,840 is an even composite number composed of four prime numbers multiplied together.
13538743840 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 13538743840:
25 × 5 × 4001 × 21149
(2 × 2 × 2 × 2 × 2 × 5 × 4001 × 21149)See below for interesting mathematical facts about the number 13538743840 from the Numbermatics database.
Names of 13538743840
- Cardinal: 13538743840 can be written as Thirteen billion, five hundred thirty-eight million, seven hundred forty-three thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.353874384 × 1010
Factors of 13538743840
Divisors of 13538743840
- Number of divisors d(n): 48
-
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 80 160 4001 8002 16004 20005 21149 32008 40010 42298 64016 80020 84596 105745 128032 160040 169192 211490 320080 338384 422980 640160 676768 845960 1691920 3383840 84617149 169234298 338468596 423085745 676937192 846171490 1353874384 1692342980 2707748768 3384685960 6769371920 13538743840
- Sum of all divisors σ(n): 31994789400
- Sum of proper divisors (its aliquot sum) s(n): 18456045560
- 13538743840 is an abundant number, because the sum of its proper divisors (18456045560) is greater than itself. Its abundance is 4917301720
Bases of 13538743840
- Binary: 11001001101111100011010110001000002
- Hexadecimal: 0x326F8D620
- Base-36: 67WM9LS
Squares and roots of 13538743840
- 13538743840 squared (135387438402) is 183297584765137945600
- 13538743840 cubed (135387438403) is 2481619046625889207742255104000
-
The
square root of 13538743840 is 116356.1078757793 -
The
cube root of 13538743840 is 2383.3772546497
Scales and comparisons
How big is 13538743840?- 13,538,743,840 seconds is equal to 430 years, 25 weeks, 3 days, 10 hours, 10 minutes, 40 seconds.
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To count from 1 to 13,538,743,840 would take you about eight 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 13538743840 cubic inches would be around 198.6 feet tall.
Recreational maths with 13538743840
- 13538743840 backwards is 04834783531
- The number of decimal digits it has is: 11
- The sum of 13538743840's digits is 46
- More coming soon!
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