640039401

640,039,401 is an odd composite number composed of two prime numbers multiplied together.

What does the number 640039401 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 21 divisors.

640039401 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty-one divisors.

Prime factorization of 640039401:

3⁶ × 937²

(3 × 3 × 3 × 3 × 3 × 3 × 937 × 937)

See below for interesting mathematical facts about the number 640039401 from the Numbermatics database.

Names of 640039401

Cardinal: 640039401 can be written as Six hundred forty million, thirty-nine thousand, four hundred one.

Scientific notation

Scientific notation: 6.40039401 × 10⁸

Factors of 640039401

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 8
Sum of prime factors: 940

Divisors of 640039401

Number of divisors d(n): 21
Complete list of divisors:
1 3 9 27 81 243 729 937 2811 8433 25299 75897 227691 683073 877969 2633907 7901721 23705163 71115489 213346467 640039401
Sum of all divisors σ(n): 960645351
Sum of proper divisors (its aliquot sum) s(n): 320605950
640039401 is a deficient number, because the sum of its proper divisors (320605950) is less than itself. Its deficiency is 319433451

Bases of 640039401

Binary: 100110001001100011100111101001₂
Hexadecimal: 0x262639E9
Base-36: AL29K9

Squares and roots of 640039401

640039401 squared (640039401²) is 409650434832438801
640039401 cubed (640039401³) is 262192418929543665561198201
640039401 is a perfect square number. Its square root is 25299
The cube root of 640039401 is 861.7915604167

Scales and comparisons

How big is 640039401?

640,039,401 seconds is equal to 20 years, 18 weeks, 1 day, 20 hours, 43 minutes, 21 seconds.
To count from 1 to 640,039,401 would take you about thirty years!

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 640039401 cubic inches would be around 71.8 feet tall.

Recreational maths with 640039401

640039401 backwards is 104930046
640039401 is a Harshad number.
The number of decimal digits it has is: 9
The sum of 640039401's digits is 27
More coming soon!

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The information we have on file for 640039401 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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