7128025

7,128,025 is an odd composite number composed of two prime numbers multiplied together.

What does the number 7128025 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

7128025 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 7128025:

5² × 285121

(5 × 5 × 285121)

See below for interesting mathematical facts about the number 7128025 from the Numbermatics database.

Names of 7128025

Cardinal: 7128025 can be written as Seven million, one hundred twenty-eight thousand and twenty-five.

Scientific notation

Scientific notation: 7.128025 × 10⁶

Factors of 7128025

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 285126

Divisors of 7128025

Number of divisors d(n): 6
Complete list of divisors:
1 5 25 285121 1425605 7128025
Sum of all divisors σ(n): 8838782
Sum of proper divisors (its aliquot sum) s(n): 1710757
7128025 is a deficient number, because the sum of its proper divisors (1710757) is less than itself. Its deficiency is 5417268

Bases of 7128025

Binary: 11011001100001111011001₂
Hexadecimal: 0x6CC3D9
Base-36: 48S0P

Squares and roots of 7128025

7128025 squared (7128025²) is 50808740400625
7128025 cubed (7128025³) is 362165971794165015625
The square root of 7128025 is 2669.8361372939
The cube root of 7128025 is 192.4522847949

Scales and comparisons

How big is 7128025?

7,128,025 seconds is equal to 11 weeks, 5 days, 12 hours, 25 seconds.
To count from 1 to 7,128,025 would take you about seventeen weeks!

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 7128025 cubic inches would be around 16 feet tall.

Recreational maths with 7128025

7128025 backwards is 5208217
7128025 is a Harshad number.
The number of decimal digits it has is: 7
The sum of 7128025's digits is 25
More coming soon!

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The information we have on file for 7128025 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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