390625

390,625 is an odd composite number. It is composed of a single prime number multiplied by itself seven times.

What does the number 390625 look like?

This visualization shows the relationship between its 1 prime factors (large circles) and 9 divisors.

390625 is an odd composite number. It is composed of one distinct prime number multiplied by itself seven times. It has a total of nine divisors.

Prime factorization of 390625:

5⁸

(5 × 5 × 5 × 5 × 5 × 5 × 5 × 5)

See below for interesting mathematical facts about the number 390625 from the Numbermatics database.

Names of 390625

Cardinal: 390625 can be written as Three hundred ninety thousand, six hundred twenty-five.

Scientific notation

Scientific notation: 3.90625 × 10⁵

Factors of 390625

Number of distinct prime factors ω(n): 1
Total number of prime factors Ω(n): 8
Sum of prime factors: 5

Divisors of 390625

Number of divisors d(n): 9
Complete list of divisors:
1 5 25 125 625 3125 15625 78125 390625
Sum of all divisors σ(n): 488281
Sum of proper divisors (its aliquot sum) s(n): 97656
390625 is a deficient number, because the sum of its proper divisors (97656) is less than itself. Its deficiency is 292969

Bases of 390625

Binary: 1011111010111100001₂
Hexadecimal: 0x5F5E1
Base-36: 8DEP

Squares and roots of 390625

390625 squared (390625²) is 152587890625
390625 cubed (390625³) is 59604644775390625
390625 is a perfect square number. Its square root is 625
The cube root of 390625 is 73.1004434553

Scales and comparisons

How big is 390625?

390,625 seconds is equal to 4 days, 12 hours, 30 minutes, 25 seconds.
To count from 1 to 390,625 would take you about four days.

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 390625 cubic inches would be around 6.1 feet tall.

Recreational maths with 390625

390625 backwards is 526093
390625 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 390625's digits is 25
More coming soon!

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The information we have on file for 390625 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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