138145015

138,145,015 is an odd composite number composed of three prime numbers multiplied together.

What does the number 138145015 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

138145015 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 138145015:

5 × 23 × 1201261

See below for interesting mathematical facts about the number 138145015 from the Numbermatics database.

Names of 138145015

Cardinal: 138145015 can be written as One hundred thirty-eight million, one hundred forty-five thousand and fifteen.

Scientific notation

Scientific notation: 1.38145015 × 10⁸

Factors of 138145015

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 1201289

Divisors of 138145015

Number of divisors d(n): 8
Complete list of divisors:
1 5 23 115 1201261 6006305 27629003 138145015
Sum of all divisors σ(n): 172981728
Sum of proper divisors (its aliquot sum) s(n): 34836713
138145015 is a deficient number, because the sum of its proper divisors (34836713) is less than itself. Its deficiency is 103308302

Bases of 138145015

Binary: 1000001110111110110011110111₂
Hexadecimal: 0x83BECF7
Base-36: 2A8XDJ

Squares and roots of 138145015

138145015 squared (138145015²) is 19084045169350225
138145015 cubed (138145015³) is 2636365706180564372878375
The square root of 138145015 is 11753.5107521115
The cube root of 138145015 is 516.9458731387

Scales and comparisons

How big is 138145015?

138,145,015 seconds is equal to 4 years, 20 weeks, 2 days, 21 hours, 36 minutes, 55 seconds.
To count from 1 to 138,145,015 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 138145015 cubic inches would be around 43.1 feet tall.

Recreational maths with 138145015

138145015 backwards is 510541831
The number of decimal digits it has is: 9
The sum of 138145015's digits is 28
More coming soon!

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The information we have on file for 138145015 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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