138493040

138,493,040 is an even composite number composed of four prime numbers multiplied together.

What does the number 138493040 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

138493040 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 138493040:

2⁴ × 5 × 7 × 247309

(2 × 2 × 2 × 2 × 5 × 7 × 247309)

See below for interesting mathematical facts about the number 138493040 from the Numbermatics database.

Names of 138493040

Cardinal: 138493040 can be written as One hundred thirty-eight million, four hundred ninety-three thousand and forty.

Scientific notation

Scientific notation: 1.3849304 × 10⁸

Factors of 138493040

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 247323

Divisors of 138493040

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 247309 494618 989236 1236545 1731163 1978472 2473090 3462326 3956944 4946180 6924652 8655815 9892360 13849304 17311630 19784720 27698608 34623260 69246520 138493040
Sum of all divisors σ(n): 367997280
Sum of proper divisors (its aliquot sum) s(n): 229504240
138493040 is an abundant number, because the sum of its proper divisors (229504240) is greater than itself. Its abundance is 91011200

Bases of 138493040

Binary: 1000010000010011110001110000₂
Hexadecimal: 0x8413C70
Base-36: 2AGDWW

Squares and roots of 138493040

138493040 squared (138493040²) is 19180322128441600
138493040 cubed (138493040³) is 2656341119747147646464000
The square root of 138493040 is 11768.3065901599
The cube root of 138493040 is 517.3796183537

Scales and comparisons

How big is 138493040?

138,493,040 seconds is equal to 4 years, 20 weeks, 6 days, 22 hours, 17 minutes, 20 seconds.
To count from 1 to 138,493,040 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 138493040 cubic inches would be around 43.1 feet tall.

Recreational maths with 138493040

138493040 backwards is 040394831
The number of decimal digits it has is: 9
The sum of 138493040's digits is 32
More coming soon!

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The information we have on file for 138493040 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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