666998

666,998 is an even composite number composed of three prime numbers multiplied together.

What does the number 666998 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

666998 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 666998:

2 × 167 × 1997

See below for interesting mathematical facts about the number 666998 from the Numbermatics database.

Names of 666998

Cardinal: 666998 can be written as Six hundred sixty-six thousand, nine hundred ninety-eight.

Scientific notation

Scientific notation: 6.66998 × 10⁵

Factors of 666998

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 2166

Divisors of 666998

Number of divisors d(n): 8
Complete list of divisors:
1 2 167 334 1997 3994 333499 666998
Sum of all divisors σ(n): 1006992
Sum of proper divisors (its aliquot sum) s(n): 339994
666998 is a deficient number, because the sum of its proper divisors (339994) is less than itself. Its deficiency is 327004

Bases of 666998

Binary: 10100010110101110110₂
Hexadecimal: 0xA2D76
Base-36: EANQ

Squares and roots of 666998

666998 squared (666998²) is 444886332004
666998 cubed (666998³) is 296738293674003992
The square root of 666998 is 816.6994551241
The cube root of 666998 is 87.3725163931

Scales and comparisons

How big is 666998?

666,998 seconds is equal to 1 week, 17 hours, 16 minutes, 38 seconds.
To count from 1 to 666,998 would take you about seventeen 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 666998 cubic inches would be around 7.3 feet tall.

Recreational maths with 666998

666998 backwards is 899666
The number of decimal digits it has is: 6
The sum of 666998's digits is 44
More coming soon!

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The information we have on file for 666998 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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