138489709

138,489,709 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 138489709 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

138489709 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 138489709:

138489709

See below for interesting mathematical facts about the number 138489709 from the Numbermatics database.

Names of 138489709

Cardinal: 138489709 can be written as One hundred thirty-eight million, four hundred eighty-nine thousand, seven hundred nine.

Scientific notation

Scientific notation: 1.38489709 × 10⁸

Factors of 138489709

Number of distinct prime factors ω(n): 1
Total number of prime factors Ω(n): 1
Sum of prime factors: 138489709

Divisors of 138489709

Number of divisors d(n): 2
Complete list of divisors:
1 138489709
Sum of all divisors σ(n): 138489710
Sum of proper divisors (its aliquot sum) s(n): 1
138489709 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 138489708

Bases of 138489709

Binary: 1000010000010010111101101101₂
Hexadecimal: 0x8412F6D
Base-36: 2AGBCD

Squares and roots of 138489709

138489709 squared (138489709²) is 19179399498904681
138489709 cubed (138489709³) is 2656149455398055090427829
The square root of 138489709 is 11768.1650651237
The cube root of 138489709 is 517.3754703589

Scales and comparisons

How big is 138489709?

138,489,709 seconds is equal to 4 years, 20 weeks, 6 days, 21 hours, 21 minutes, 49 seconds.
To count from 1 to 138,489,709 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 138489709 cubic inches would be around 43.1 feet tall.

Recreational maths with 138489709

138489709 backwards is 907984831
The number of decimal digits it has is: 9
The sum of 138489709's digits is 49
More coming soon!

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The information we have on file for 138489709 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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