641988

641,988 is an even composite number composed of four prime numbers multiplied together.

What does the number 641988 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

641988 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 641988:

2² × 3² × 17 × 1049

(2 × 2 × 3 × 3 × 17 × 1049)

See below for interesting mathematical facts about the number 641988 from the Numbermatics database.

Names of 641988

Cardinal: 641988 can be written as Six hundred forty-one thousand, nine hundred eighty-eight.

Scientific notation

Scientific notation: 6.41988 × 10⁵

Factors of 641988

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 1071

Divisors of 641988

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 1049 2098 3147 4196 6294 9441 12588 17833 18882 35666 37764 53499 71332 106998 160497 213996 320994 641988
Sum of all divisors σ(n): 1719900
Sum of proper divisors (its aliquot sum) s(n): 1077912
641988 is an abundant number, because the sum of its proper divisors (1077912) is greater than itself. Its abundance is 435924

Bases of 641988

Binary: 10011100101111000100₂
Hexadecimal: 0x9CBC4
Base-36: DRD0

Squares and roots of 641988

641988 squared (641988²) is 412148592144
641988 cubed (641988³) is 264594450373342272
The square root of 641988 is 801.2415366167
The cube root of 641988 is 86.2665248741

Scales and comparisons

How big is 641988?

641,988 seconds is equal to 1 week, 10 hours, 19 minutes, 48 seconds.
To count from 1 to 641,988 would take you about ten 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 641988 cubic inches would be around 7.2 feet tall.

Recreational maths with 641988

641988 backwards is 889146
641988 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 641988's digits is 36
More coming soon!

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The information we have on file for 641988 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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