640341

640,341 is an odd composite number composed of three prime numbers multiplied together.

What does the number 640341 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

640341 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 640341:

3² × 13² × 421

(3 × 3 × 13 × 13 × 421)

See below for interesting mathematical facts about the number 640341 from the Numbermatics database.

Names of 640341

Cardinal: 640341 can be written as Six hundred forty thousand, three hundred forty-one.

Scientific notation

Scientific notation: 6.40341 × 10⁵

Factors of 640341

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 437

Divisors of 640341

Number of divisors d(n): 18
Complete list of divisors:
1 3 9 13 39 117 169 421 507 1263 1521 3789 5473 16419 49257 71149 213447 640341
Sum of all divisors σ(n): 1003938
Sum of proper divisors (its aliquot sum) s(n): 363597
640341 is a deficient number, because the sum of its proper divisors (363597) is less than itself. Its deficiency is 276744

Bases of 640341

Binary: 10011100010101010101₂
Hexadecimal: 0x9C555
Base-36: DQ39

Squares and roots of 640341

640341 squared (640341²) is 410036596281
640341 cubed (640341³) is 262563244099171821
The square root of 640341 is 800.2130966191
The cube root of 640341 is 86.1926903469

Scales and comparisons

How big is 640341?

640,341 seconds is equal to 1 week, 9 hours, 52 minutes, 21 seconds.
To count from 1 to 640,341 would take you about nine 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 640341 cubic inches would be around 7.2 feet tall.

Recreational maths with 640341

640341 backwards is 143046
The number of decimal digits it has is: 6
The sum of 640341's digits is 18
More coming soon!

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The information we have on file for 640341 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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