2149742

2,149,742 is an even composite number composed of four prime numbers multiplied together.

What does the number 2149742 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

2149742 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 2149742:

2 × 7 × 43 × 3571

See below for interesting mathematical facts about the number 2149742 from the Numbermatics database.

Names of 2149742

Cardinal: 2149742 can be written as Two million, one hundred forty-nine thousand, seven hundred forty-two.

Scientific notation

Scientific notation: 2.149742 × 10⁶

Factors of 2149742

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 3623

Divisors of 2149742

Number of divisors d(n): 16
Complete list of divisors:
1 2 7 14 43 86 301 602 3571 7142 24997 49994 153553 307106 1074871 2149742
Sum of all divisors σ(n): 3772032
Sum of proper divisors (its aliquot sum) s(n): 1622290
2149742 is a deficient number, because the sum of its proper divisors (1622290) is less than itself. Its deficiency is 527452

Bases of 2149742

Binary: 1000001100110101101110₂
Hexadecimal: 0x20CD6E
Base-36: 1A2R2

Squares and roots of 2149742

2149742 squared (2149742²) is 4621390666564
2149742 cubed (2149742³) is 9934797614320626488
The square root of 2149742 is 1466.1998499523
The cube root of 2149742 is 129.0611252095

Scales and comparisons

How big is 2149742?

2,149,742 seconds is equal to 3 weeks, 3 days, 21 hours, 9 minutes, 2 seconds.
To count from 1 to 2,149,742 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 2149742 cubic inches would be around 10.8 feet tall.

Recreational maths with 2149742

2149742 backwards is 2479412
The number of decimal digits it has is: 7
The sum of 2149742's digits is 29
More coming soon!

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The information we have on file for 2149742 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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