138821500

138,821,500 is an even composite number composed of three prime numbers multiplied together.

What does the number 138821500 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

138821500 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 138821500:

2² × 5³ × 277643

(2 × 2 × 5 × 5 × 5 × 277643)

See below for interesting mathematical facts about the number 138821500 from the Numbermatics database.

Names of 138821500

Cardinal: 138821500 can be written as One hundred thirty-eight million, eight hundred twenty-one thousand, five hundred.

Scientific notation

Scientific notation: 1.388215 × 10⁸

Factors of 138821500

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 277650

Divisors of 138821500

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 10 20 25 50 100 125 250 500 277643 555286 1110572 1388215 2776430 5552860 6941075 13882150 27764300 34705375 69410750 138821500
Sum of all divisors σ(n): 303187248
Sum of proper divisors (its aliquot sum) s(n): 164365748
138821500 is an abundant number, because the sum of its proper divisors (164365748) is greater than itself. Its abundance is 25544248

Bases of 138821500

Binary: 1000010001100011111101111100₂
Hexadecimal: 0x8463F7C
Base-36: 2ANFCS

Squares and roots of 138821500

138821500 squared (138821500²) is 19271408862250000
138821500 cubed (138821500³) is 2675285885370838375000000
The square root of 138821500 is 11782.2536044681
The cube root of 138821500 is 517.7883135975

Scales and comparisons

How big is 138821500?

138,821,500 seconds is equal to 4 years, 21 weeks, 3 days, 17 hours, 31 minutes, 40 seconds.
To count from 1 to 138,821,500 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 138821500 cubic inches would be around 43.1 feet tall.

Recreational maths with 138821500

138821500 backwards is 005128831
The number of decimal digits it has is: 9
The sum of 138821500's digits is 28
More coming soon!

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The information we have on file for 138821500 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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