655421

655,421 is an odd composite number composed of two prime numbers multiplied together.

What does the number 655421 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

655421 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 655421:

13 × 50417

See below for interesting mathematical facts about the number 655421 from the Numbermatics database.

Names of 655421

Cardinal: 655421 can be written as Six hundred fifty-five thousand, four hundred twenty-one.

Scientific notation

Scientific notation: 6.55421 × 10⁵

Factors of 655421

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 50430

Divisors of 655421

Number of divisors d(n): 4
Complete list of divisors:
1 13 50417 655421
Sum of all divisors σ(n): 705852
Sum of proper divisors (its aliquot sum) s(n): 50431
655421 is a deficient number, because the sum of its proper divisors (50431) is less than itself. Its deficiency is 604990

Bases of 655421

Binary: 10100000000000111101₂
Hexadecimal: 0xA003D
Base-36: E1Q5

Squares and roots of 655421

655421 squared (655421²) is 429576687241
655421 cubed (655421³) is 281553581928183461
The square root of 655421 is 809.5807557001
The cube root of 655421 is 86.8640586259

Scales and comparisons

How big is 655421?

655,421 seconds is equal to 1 week, 14 hours, 3 minutes, 41 seconds.
To count from 1 to 655,421 would take you about fourteen 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 655421 cubic inches would be around 7.2 feet tall.

Recreational maths with 655421

655421 backwards is 124556
The number of decimal digits it has is: 6
The sum of 655421's digits is 23
More coming soon!

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The information we have on file for 655421 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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