138905325
138,905,325 is an odd composite number composed of four prime numbers multiplied together.
138905325 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138905325:
32 × 52 × 133 × 281
(3 × 3 × 5 × 5 × 13 × 13 × 13 × 281)See below for interesting mathematical facts about the number 138905325 from the Numbermatics database.
Names of 138905325
- Cardinal: 138905325 can be written as One hundred thirty-eight million, nine hundred five thousand, three hundred twenty-five.
Scientific notation
- Scientific notation: 1.38905325 × 108
Factors of 138905325
Divisors of 138905325
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 5 9 13 15 25 39 45 65 75 117 169 195 225 281 325 507 585 843 845 975 1405 1521 2197 2529 2535 2925 3653 4215 4225 6591 7025 7605 10959 10985 12645 12675 18265 19773 21075 32877 32955 38025 47489 54795 54925 63225 91325 98865 142467 164385 164775 237445 273975 427401 494325 617357 712335 821925 1187225 1852071 2137005 3086785 3561675 5556213 9260355 10685025 15433925 27781065 46301775 138905325
- Sum of all divisors σ(n): 270477480
- Sum of proper divisors (its aliquot sum) s(n): 131572155
- 138905325 is a deficient number, because the sum of its proper divisors (131572155) is less than itself. Its deficiency is 7333170
Bases of 138905325
- Binary: 10000100011110000110111011012
- Hexadecimal: 0x84786ED
- Base-36: 2AP819
Squares and roots of 138905325
- 138905325 squared (1389053252) is 19294689313355625
- 138905325 cubed (1389053253) is 2680135089845689931203125
-
The
square root of 138905325 is 11785.8103242841 -
The
cube root of 138905325 is 517.8925118473
Scales and comparisons
How big is 138905325?- 138,905,325 seconds is equal to 4 years, 21 weeks, 4 days, 16 hours, 48 minutes, 45 seconds.
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To count from 1 to 138,905,325 would take you about 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 138905325 cubic inches would be around 43.2 feet tall.
Recreational maths with 138905325
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The information we have on file for 138905325 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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