138555207

138,555,207 is an odd composite number composed of three prime numbers multiplied together.

What does the number 138555207 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

138555207 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 138555207:

3² × 7 × 1483²

(3 × 3 × 7 × 1483 × 1483)

See below for interesting mathematical facts about the number 138555207 from the Numbermatics database.

Names of 138555207

Cardinal: 138555207 can be written as One hundred thirty-eight million, five hundred fifty-five thousand, two hundred seven.

Scientific notation

Scientific notation: 1.38555207 × 10⁸

Factors of 138555207

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 1493

Divisors of 138555207

Number of divisors d(n): 18
Complete list of divisors:
1 3 7 9 21 63 1483 4449 10381 13347 31143 93429 2199289 6597867 15395023 19793601 46185069 138555207
Sum of all divisors σ(n): 228880392
Sum of proper divisors (its aliquot sum) s(n): 90325185
138555207 is a deficient number, because the sum of its proper divisors (90325185) is less than itself. Its deficiency is 48230022

Bases of 138555207

Binary: 1000010000100010111101000111₂
Hexadecimal: 0x8422F47
Base-36: 2AHPVR

Squares and roots of 138555207

138555207 squared (138555207²) is 19197545386812849
138555207 cubed (138555207³) is 2659919874961749363454743
The square root of 138555207 is 11770.9475829263
The cube root of 138555207 is 517.4570208653

Scales and comparisons

How big is 138555207?

138,555,207 seconds is equal to 4 years, 21 weeks, 15 hours, 33 minutes, 27 seconds.
To count from 1 to 138,555,207 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 138555207 cubic inches would be around 43.1 feet tall.

Recreational maths with 138555207

138555207 backwards is 702555831
The number of decimal digits it has is: 9
The sum of 138555207's digits is 36
More coming soon!

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The information we have on file for 138555207 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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