125905

125,905 is an odd composite number composed of three prime numbers multiplied together.

What does the number 125905 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

125905 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 125905:

5 × 13² × 149

(5 × 13 × 13 × 149)

See below for interesting mathematical facts about the number 125905 from the Numbermatics database.

Names of 125905

Cardinal: 125905 can be written as One hundred twenty-five thousand, nine hundred five.

Scientific notation

Scientific notation: 1.25905 × 10⁵

Factors of 125905

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 167

Divisors of 125905

Number of divisors d(n): 12
Complete list of divisors:
1 5 13 65 149 169 745 845 1937 9685 25181 125905
Sum of all divisors σ(n): 164700
Sum of proper divisors (its aliquot sum) s(n): 38795
125905 is a deficient number, because the sum of its proper divisors (38795) is less than itself. Its deficiency is 87110

Bases of 125905

Binary: 11110101111010001₂
Hexadecimal: 0x1EBD1
Base-36: 2P5D

Squares and roots of 125905

125905 squared (125905²) is 15852069025
125905 cubed (125905³) is 1995854750592625
The square root of 125905 is 354.8309456629
The cube root of 125905 is 50.1203766235

Scales and comparisons

How big is 125905?

125,905 seconds is equal to 1 day, 10 hours, 58 minutes, 25 seconds.
To count from 1 to 125,905 would take you about ten 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 125905 cubic inches would be around 4.2 feet tall.

Recreational maths with 125905

125905 backwards is 509521
The number of decimal digits it has is: 6
The sum of 125905's digits is 22
More coming soon!

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The information we have on file for 125905 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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