1268840

1,268,840 is an even composite number composed of three prime numbers multiplied together.

What does the number 1268840 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

1268840 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 1268840:

2³ × 5 × 31721

(2 × 2 × 2 × 5 × 31721)

See below for interesting mathematical facts about the number 1268840 from the Numbermatics database.

Names of 1268840

Cardinal: 1268840 can be written as One million, two hundred sixty-eight thousand, eight hundred forty.

Scientific notation

Scientific notation: 1.26884 × 10⁶

Factors of 1268840

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 31728

Divisors of 1268840

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 5 8 10 20 40 31721 63442 126884 158605 253768 317210 634420 1268840
Sum of all divisors σ(n): 2854980
Sum of proper divisors (its aliquot sum) s(n): 1586140
1268840 is an abundant number, because the sum of its proper divisors (1586140) is greater than itself. Its abundance is 317300

Bases of 1268840

Binary: 100110101110001101000₂
Hexadecimal: 0x135C68
Base-36: R71K

Squares and roots of 1268840

1268840 squared (1268840²) is 1609954945600
1268840 cubed (1268840³) is 2042775233175104000
The square root of 1268840 is 1126.4279826069
The cube root of 1268840 is 108.2602320775

Scales and comparisons

How big is 1268840?

1,268,840 seconds is equal to 2 weeks, 16 hours, 27 minutes, 20 seconds.
To count from 1 to 1,268,840 would take you about three 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 1268840 cubic inches would be around 9 feet tall.

Recreational maths with 1268840

1268840 backwards is 0488621
The number of decimal digits it has is: 7
The sum of 1268840's digits is 29
More coming soon!

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The information we have on file for 1268840 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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