138001865

138,001,865 is an odd composite number composed of four prime numbers multiplied together.

What does the number 138001865 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

138001865 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 138001865:

5 × 29 × 647 × 1471

See below for interesting mathematical facts about the number 138001865 from the Numbermatics database.

Names of 138001865

Cardinal: 138001865 can be written as One hundred thirty-eight million, one thousand, eight hundred sixty-five.

Scientific notation

Scientific notation: 1.38001865 × 10⁸

Factors of 138001865

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 2152

Divisors of 138001865

Number of divisors d(n): 16
Complete list of divisors:
1 5 29 145 647 1471 3235 7355 18763 42659 93815 213295 951737 4758685 27600373 138001865
Sum of all divisors σ(n): 171694080
Sum of proper divisors (its aliquot sum) s(n): 33692215
138001865 is a deficient number, because the sum of its proper divisors (33692215) is less than itself. Its deficiency is 104309650

Bases of 138001865

Binary: 1000001110011011110111001001₂
Hexadecimal: 0x839BDC9
Base-36: 2A5UX5

Squares and roots of 138001865

138001865 squared (138001865²) is 19044514743478225
138001865 cubed (138001865³) is 2628178552619991636889625
The square root of 138001865 is 11747.4195038741
The cube root of 138001865 is 516.7672531645

Scales and comparisons

How big is 138001865?

138,001,865 seconds is equal to 4 years, 20 weeks, 1 day, 5 hours, 51 minutes, 5 seconds.
To count from 1 to 138,001,865 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 138001865 cubic inches would be around 43.1 feet tall.

Recreational maths with 138001865

138001865 backwards is 568100831
The number of decimal digits it has is: 9
The sum of 138001865's digits is 32
More coming soon!

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The information we have on file for 138001865 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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