640683

640,683 is an odd composite number composed of three prime numbers multiplied together.

What does the number 640683 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

640683 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 640683:

3³ × 61 × 389

(3 × 3 × 3 × 61 × 389)

See below for interesting mathematical facts about the number 640683 from the Numbermatics database.

Names of 640683

Cardinal: 640683 can be written as Six hundred forty thousand, six hundred eighty-three.

Scientific notation

Scientific notation: 6.40683 × 10⁵

Factors of 640683

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 453

Divisors of 640683

Number of divisors d(n): 16
Complete list of divisors:
1 3 9 27 61 183 389 549 1167 1647 3501 10503 23729 71187 213561 640683
Sum of all divisors σ(n): 967200
Sum of proper divisors (its aliquot sum) s(n): 326517
640683 is a deficient number, because the sum of its proper divisors (326517) is less than itself. Its deficiency is 314166

Bases of 640683

Binary: 10011100011010101011₂
Hexadecimal: 0x9C6AB
Base-36: DQCR

Squares and roots of 640683

640683 squared (640683²) is 410474706489
640683 cubed (640683³) is 262984166377491987
The square root of 640683 is 800.4267611719
The cube root of 640683 is 86.2080325129

Scales and comparisons

How big is 640683?

640,683 seconds is equal to 1 week, 9 hours, 58 minutes, 3 seconds.
To count from 1 to 640,683 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 640683 cubic inches would be around 7.2 feet tall.

Recreational maths with 640683

640683 backwards is 386046
640683 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 640683's digits is 27
More coming soon!

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The information we have on file for 640683 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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