642994

642,994 is an even composite number composed of three prime numbers multiplied together.

What does the number 642994 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

642994 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 642994:

2 × 11² × 2657

(2 × 11 × 11 × 2657)

See below for interesting mathematical facts about the number 642994 from the Numbermatics database.

Names of 642994

Cardinal: 642994 can be written as Six hundred forty-two thousand, nine hundred ninety-four.

Scientific notation

Scientific notation: 6.42994 × 10⁵

Factors of 642994

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 2670

Divisors of 642994

Number of divisors d(n): 12
Complete list of divisors:
1 2 11 22 121 242 2657 5314 29227 58454 321497 642994
Sum of all divisors σ(n): 1060542
Sum of proper divisors (its aliquot sum) s(n): 417548
642994 is a deficient number, because the sum of its proper divisors (417548) is less than itself. Its deficiency is 225446

Bases of 642994

Binary: 10011100111110110010₂
Hexadecimal: 0x9CFB2
Base-36: DS4Y

Squares and roots of 642994

642994 squared (642994²) is 413441284036
642994 cubed (642994³) is 265840264987443784
The square root of 642994 is 801.8690666187
The cube root of 642994 is 86.3115614547

Scales and comparisons

How big is 642994?

642,994 seconds is equal to 1 week, 10 hours, 36 minutes, 34 seconds.
To count from 1 to 642,994 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 642994 cubic inches would be around 7.2 feet tall.

Recreational maths with 642994

642994 backwards is 499246
The number of decimal digits it has is: 6
The sum of 642994's digits is 34
More coming soon!

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The information we have on file for 642994 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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