138642647

138,642,647 is an odd composite number composed of four prime numbers multiplied together.

What does the number 138642647 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

138642647 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 138642647:

11² × 13 × 53 × 1663

(11 × 11 × 13 × 53 × 1663)

See below for interesting mathematical facts about the number 138642647 from the Numbermatics database.

Names of 138642647

Cardinal: 138642647 can be written as One hundred thirty-eight million, six hundred forty-two thousand, six hundred forty-seven.

Scientific notation

Scientific notation: 1.38642647 × 10⁸

Factors of 138642647

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 1740

Divisors of 138642647

Number of divisors d(n): 24
Complete list of divisors:
1 11 13 53 121 143 583 689 1573 1663 6413 7579 18293 21619 83369 88139 201223 237809 969529 1145807 2615899 10664819 12603877 138642647
Sum of all divisors σ(n): 167311872
Sum of proper divisors (its aliquot sum) s(n): 28669225
138642647 is a deficient number, because the sum of its proper divisors (28669225) is less than itself. Its deficiency is 109973422

Bases of 138642647

Binary: 1000010000111000010011010111₂
Hexadecimal: 0x84384D7
Base-36: 2AJLCN

Squares and roots of 138642647

138642647 squared (138642647²) is 19221783567166609
138642647 cubed (138642647³) is 2664958953813080961774023
The square root of 138642647 is 11774.6612265491
The cube root of 138642647 is 517.5658509557

Scales and comparisons

How big is 138642647?

138,642,647 seconds is equal to 4 years, 21 weeks, 1 day, 15 hours, 50 minutes, 47 seconds.
To count from 1 to 138,642,647 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 138642647 cubic inches would be around 43.1 feet tall.

Recreational maths with 138642647

138642647 backwards is 746246831
The number of decimal digits it has is: 9
The sum of 138642647's digits is 41
More coming soon!

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The information we have on file for 138642647 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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