2163987

2,163,987 is an odd composite number composed of three prime numbers multiplied together.

What does the number 2163987 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

2163987 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 2163987:

3² × 7³ × 701

(3 × 3 × 7 × 7 × 7 × 701)

See below for interesting mathematical facts about the number 2163987 from the Numbermatics database.

Names of 2163987

Cardinal: 2163987 can be written as Two million, one hundred sixty-three thousand, nine hundred eighty-seven.

Scientific notation

Scientific notation: 2.163987 × 10⁶

Factors of 2163987

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 711

Divisors of 2163987

Number of divisors d(n): 24
Complete list of divisors:
1 3 7 9 21 49 63 147 343 441 701 1029 2103 3087 4907 6309 14721 34349 44163 103047 240443 309141 721329 2163987
Sum of all divisors σ(n): 3650400
Sum of proper divisors (its aliquot sum) s(n): 1486413
2163987 is a deficient number, because the sum of its proper divisors (1486413) is less than itself. Its deficiency is 677574

Bases of 2163987

Binary: 1000010000010100010011₂
Hexadecimal: 0x210513
Base-36: 1ADQR

Squares and roots of 2163987

2163987 squared (2163987²) is 4682839736169
2163987 cubed (2163987³) is 10133604312153145803
The square root of 2163987 is 1471.0496252677
The cube root of 2163987 is 129.3455670635

Scales and comparisons

How big is 2163987?

2,163,987 seconds is equal to 3 weeks, 4 days, 1 hour, 6 minutes, 27 seconds.
To count from 1 to 2,163,987 would take you about five 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 2163987 cubic inches would be around 10.8 feet tall.

Recreational maths with 2163987

2163987 backwards is 7893612
The number of decimal digits it has is: 7
The sum of 2163987's digits is 36
More coming soon!

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The information we have on file for 2163987 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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