2139940

2,139,940 is an even composite number composed of five prime numbers multiplied together.

What does the number 2139940 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

2139940 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 2139940:

2² × 5 × 11 × 71 × 137

(2 × 2 × 5 × 11 × 71 × 137)

See below for interesting mathematical facts about the number 2139940 from the Numbermatics database.

Names of 2139940

Cardinal: 2139940 can be written as Two million, one hundred thirty-nine thousand, nine hundred forty.

Scientific notation

Scientific notation: 2.13994 × 10⁶

Factors of 2139940

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 226

Divisors of 2139940

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 10 11 20 22 44 55 71 110 137 142 220 274 284 355 548 685 710 781 1370 1420 1507 1562 2740 3014 3124 3905 6028 7535 7810 9727 15070 15620 19454 30140 38908 48635 97270 106997 194540 213994 427988 534985 1069970 2139940
Sum of all divisors σ(n): 5007744
Sum of proper divisors (its aliquot sum) s(n): 2867804
2139940 is an abundant number, because the sum of its proper divisors (2867804) is greater than itself. Its abundance is 727864

Bases of 2139940

Binary: 1000001010011100100100₂
Hexadecimal: 0x20A724
Base-36: 19V6S

Squares and roots of 2139940

2139940 squared (2139940²) is 4579343203600
2139940 cubed (2139940³) is 9799519695111784000
The square root of 2139940 is 1462.8533761113
The cube root of 2139940 is 128.8646698889

Scales and comparisons

How big is 2139940?

2,139,940 seconds is equal to 3 weeks, 3 days, 18 hours, 25 minutes, 40 seconds.
To count from 1 to 2,139,940 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 2139940 cubic inches would be around 10.7 feet tall.

Recreational maths with 2139940

2139940 backwards is 0499312
The number of decimal digits it has is: 7
The sum of 2139940's digits is 28
More coming soon!

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The information we have on file for 2139940 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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