138439806

138,439,806 is an even composite number composed of five prime numbers multiplied together.

What does the number 138439806 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

138439806 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 138439806:

2 × 3 × 17 × 23 × 59011

See below for interesting mathematical facts about the number 138439806 from the Numbermatics database.

Names of 138439806

Cardinal: 138439806 can be written as One hundred thirty-eight million, four hundred thirty-nine thousand, eight hundred six.

Scientific notation

Scientific notation: 1.38439806 × 10⁸

Factors of 138439806

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 59056

Divisors of 138439806

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 6 17 23 34 46 51 69 102 138 391 782 1173 2346 59011 118022 177033 354066 1003187 1357253 2006374 2714506 3009561 4071759 6019122 8143518 23073301 46146602 69219903 138439806
Sum of all divisors σ(n): 305918208
Sum of proper divisors (its aliquot sum) s(n): 167478402
138439806 is an abundant number, because the sum of its proper divisors (167478402) is greater than itself. Its abundance is 29038596

Bases of 138439806

Binary: 1000010000000110110001111110₂
Hexadecimal: 0x8406C7E
Base-36: 2AF8U6

Squares and roots of 138439806

138439806 squared (138439806²) is 19165579885317636
138439806 cubed (138439806³) is 2653279161200875776218616
The square root of 138439806 is 11766.0446200069
The cube root of 138439806 is 517.3133196761

Scales and comparisons

How big is 138439806?

138,439,806 seconds is equal to 4 years, 20 weeks, 6 days, 7 hours, 30 minutes, 6 seconds.
To count from 1 to 138,439,806 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 138439806 cubic inches would be around 43.1 feet tall.

Recreational maths with 138439806

138439806 backwards is 608934831
The number of decimal digits it has is: 9
The sum of 138439806's digits is 42
More coming soon!

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The information we have on file for 138439806 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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