138505

138,505 is an odd composite number composed of two prime numbers multiplied together.

What does the number 138505 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

138505 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 138505:

5 × 27701

See below for interesting mathematical facts about the number 138505 from the Numbermatics database.

Names of 138505

• Cardinal: 138505 can be written as One hundred thirty-eight thousand, five hundred five.

Scientific notation

• Scientific notation: 1.38505 × 105

Factors of 138505

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 27706

Divisors of 138505

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 166212
• Sum of proper divisors (its aliquot sum) s(n): 27707
• 138505 is a deficient number, because the sum of its proper divisors (27707) is less than itself. Its deficiency is 110798

Bases of 138505

• Binary: 1000011101000010012
• Base-36: 2YVD

Squares and roots of 138505

• 138505 squared (1385052) is 19183635025
• 138505 cubed (1385053) is 2657029369137625
• The square root of 138505 is 372.1625988733
• The cube root of 138505 is 51.7394511237

Scales and comparisons

How big is 138505?
• 138,505 seconds is equal to 1 day, 14 hours, 28 minutes, 25 seconds.
• To count from 1 to 138,505 would take you about fourteen hours.

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 138505 cubic inches would be around 4.3 feet tall.

Recreational maths with 138505

• 138505 backwards is 505831
• The number of decimal digits it has is: 6
• The sum of 138505's digits is 22
• More coming soon!

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"Number 138505 - Facts about the integer". Numbermatics.com. 2022. Web. 18 January 2022.

APA style:
Numbermatics. (2022). Number 138505 - Facts about the integer. Retrieved 18 January 2022, from https://numbermatics.com/n/138505/

Chicago style:
Numbermatics. 2022. "Number 138505 - Facts about the integer". https://numbermatics.com/n/138505/

The information we have on file for 138505 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!

Keywords: Divisors of 138505, math, Factors of 138505, curriculum, school, college, exams, university, Prime factorization of 138505, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight thousand, five hundred five.

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