2666689

2,666,689 is an odd composite number composed of two prime numbers multiplied together.

What does the number 2666689 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

2666689 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

Prime factorization of 2666689:

23² × 71²

(23 × 23 × 71 × 71)

See below for interesting mathematical facts about the number 2666689 from the Numbermatics database.

Names of 2666689

Cardinal: 2666689 can be written as Two million, six hundred sixty-six thousand, six hundred eighty-nine.

Scientific notation

Scientific notation: 2.666689 × 10⁶

Factors of 2666689

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 94

Divisors of 2666689

Number of divisors d(n): 9
Complete list of divisors:
1 23 71 529 1633 5041 37559 115943 2666689
Sum of all divisors σ(n): 2827489
Sum of proper divisors (its aliquot sum) s(n): 160800
2666689 is a deficient number, because the sum of its proper divisors (160800) is less than itself. Its deficiency is 2505889

Bases of 2666689

Binary: 1010001011000011000001₂
Hexadecimal: 0x28B0C1
Base-36: 1L5MP

Squares and roots of 2666689

2666689 squared (2666689²) is 7111230222721
2666689 cubed (2666689³) is 18963439411397640769
2666689 is a perfect square number. Its square root is 1633
The cube root of 2666689 is 138.6726419957

Scales and comparisons

How big is 2666689?

2,666,689 seconds is equal to 4 weeks, 2 days, 20 hours, 44 minutes, 49 seconds.
To count from 1 to 2,666,689 would take you about six weeks!

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 2666689 cubic inches would be around 11.6 feet tall.

Recreational maths with 2666689

2666689 backwards is 9866662
The number of decimal digits it has is: 7
The sum of 2666689's digits is 43
More coming soon!

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The information we have on file for 2666689 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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