138969225

138,969,225 is an odd composite number composed of four prime numbers multiplied together.

What does the number 138969225 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

138969225 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 138969225:

3² × 5² × 37 × 16693

(3 × 3 × 5 × 5 × 37 × 16693)

See below for interesting mathematical facts about the number 138969225 from the Numbermatics database.

Names of 138969225

Cardinal: 138969225 can be written as One hundred thirty-eight million, nine hundred sixty-nine thousand, two hundred twenty-five.

Scientific notation

Scientific notation: 1.38969225 × 10⁸

Factors of 138969225

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 16738

Divisors of 138969225

Number of divisors d(n): 36
Complete list of divisors:
1 3 5 9 15 25 37 45 75 111 185 225 333 555 925 1665 2775 8325 16693 50079 83465 150237 250395 417325 617641 751185 1251975 1852923 3088205 3755925 5558769 9264615 15441025 27793845 46323075 138969225
Sum of all divisors σ(n): 255651916
Sum of proper divisors (its aliquot sum) s(n): 116682691
138969225 is a deficient number, because the sum of its proper divisors (116682691) is less than itself. Its deficiency is 22286534

Bases of 138969225

Binary: 1000010010001000000010001001₂
Hexadecimal: 0x8488089
Base-36: 2AQLC9

Squares and roots of 138969225

138969225 squared (138969225²) is 19312445497100625
138969225 cubed (138969225³) is 2683835583586813603265625
The square root of 138969225 is 11788.5208995871
The cube root of 138969225 is 517.9719142705

Scales and comparisons

How big is 138969225?

138,969,225 seconds is equal to 4 years, 21 weeks, 5 days, 10 hours, 33 minutes, 45 seconds.
To count from 1 to 138,969,225 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 138969225 cubic inches would be around 43.2 feet tall.

Recreational maths with 138969225

138969225 backwards is 522969831
138969225 is a Harshad number.
The number of decimal digits it has is: 9
The sum of 138969225's digits is 45
More coming soon!

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The information we have on file for 138969225 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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