138431274228
138,431,274,228 is an even composite number composed of five prime numbers multiplied together.
138431274228 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138431274228:
22 × 32 × 13 × 24109 × 12269
(2 × 2 × 3 × 3 × 13 × 24109 × 12269)See below for interesting mathematical facts about the number 138431274228 from the Numbermatics database.
Names of 138431274228
- Cardinal: 138431274228 can be written as One hundred thirty-eight billion, four hundred thirty-one million, two hundred seventy-four thousand, two hundred twenty-eight.
Scientific notation
- Scientific notation: 1.38431274228 × 1011
Factors of 138431274228
Divisors of 138431274228
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 12269 24109 24538 36807 48218 49076 72327 73614 96436 110421 144654 147228 159497 216981 220842 289308 313417 318994 433962 441684 478491 626834 637988 867924 940251 956982 1253668 1435473 1880502 1913964 2820753 2870946 3761004 5641506 5741892 11283012 295793321 591586642 887379963 1183173284 1774759926 2662139889 3549519852 3845313173 5324279778 7690626346 10648559556 11535939519 15381252692 23071879038 34607818557 46143758076 69215637114 138431274228
- Sum of all divisors σ(n): 376887037800
- Sum of proper divisors (its aliquot sum) s(n): 238455763572
- 138431274228 is an abundant number, because the sum of its proper divisors (238455763572) is greater than itself. Its abundance is 100024489344
Bases of 138431274228
- Binary: 100000001110110010010110011100111101002
- Hexadecimal: 0x203B259CF4
- Base-36: 1RLEEMT0
Squares and roots of 138431274228
- 138431274228 squared (1384312742282) is 19163217684387736995984
- 138431274228 cubed (1384312742283) is 2652788642358337974371402038700352
-
The
square root of 138431274228 is 372063.5352033307 -
The
cube root of 138431274228 is 5173.0269245827
Scales and comparisons
How big is 138431274228?- 138,431,274,228 seconds is equal to 4,401 years, 35 weeks, 4 days, 19 hours, 43 minutes, 48 seconds.
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To count from 1 to 138,431,274,228 would take you about eight thousand, eight hundred three 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 138431274228 cubic inches would be around 431.1 feet tall.
Recreational maths with 138431274228
- 138431274228 backwards is 822472134831
- The number of decimal digits it has is: 12
- The sum of 138431274228's digits is 45
- More coming soon!
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