138212725

138,212,725 is an odd composite number composed of five prime numbers multiplied together.

What does the number 138212725 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

138212725 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 138212725:

5² × 7 × 31 × 73 × 349

(5 × 5 × 7 × 31 × 73 × 349)

See below for interesting mathematical facts about the number 138212725 from the Numbermatics database.

Names of 138212725

Cardinal: 138212725 can be written as One hundred thirty-eight million, two hundred twelve thousand, seven hundred twenty-five.

Scientific notation

Scientific notation: 1.38212725 × 10⁸

Factors of 138212725

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 465

Divisors of 138212725

Number of divisors d(n): 48
Complete list of divisors:
1 5 7 25 31 35 73 155 175 217 349 365 511 775 1085 1745 1825 2263 2443 2555 5425 8725 10819 11315 12215 12775 15841 25477 54095 56575 61075 75733 79205 127385 178339 270475 378665 396025 636925 789787 891695 1893325 3948935 4458475 5528509 19744675 27642545 138212725
Sum of all divisors σ(n): 205542400
Sum of proper divisors (its aliquot sum) s(n): 67329675
138212725 is a deficient number, because the sum of its proper divisors (67329675) is less than itself. Its deficiency is 70883050

Bases of 138212725

Binary: 1000001111001111010101110101₂
Hexadecimal: 0x83CF575
Base-36: 2AADMD

Squares and roots of 138212725

138212725 squared (138212725²) is 19102757351925625
138212725 cubed (138212725³) is 2640244148623424628578125
The square root of 138212725 is 11756.3908152119
The cube root of 138212725 is 517.0303174645

Scales and comparisons

How big is 138212725?

138,212,725 seconds is equal to 4 years, 20 weeks, 3 days, 16 hours, 25 minutes, 25 seconds.
To count from 1 to 138,212,725 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 138212725 cubic inches would be around 43.1 feet tall.

Recreational maths with 138212725

138212725 backwards is 527212831
138212725 is a Harshad number.
The number of decimal digits it has is: 9
The sum of 138212725's digits is 31
More coming soon!

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The information we have on file for 138212725 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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