1281442

1,281,442 is an even composite number composed of four prime numbers multiplied together.

What does the number 1281442 look like?

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

1281442 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 1281442:

2 × 67 × 73 × 131

See below for interesting mathematical facts about the number 1281442 from the Numbermatics database.

Names of 1281442

Cardinal: 1281442 can be written as One million, two hundred eighty-one thousand, four hundred forty-two.

Scientific notation

Scientific notation: 1.281442 × 10⁶

Factors of 1281442

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 273

Divisors of 1281442

Number of divisors d(n): 16
Complete list of divisors:
1 2 67 73 131 134 146 262 4891 8777 9563 9782 17554 19126 640721 1281442
Sum of all divisors σ(n): 1992672
Sum of proper divisors (its aliquot sum) s(n): 711230
1281442 is a deficient number, because the sum of its proper divisors (711230) is less than itself. Its deficiency is 570212

Bases of 1281442

Binary: 100111000110110100010₂
Hexadecimal: 0x138DA2
Base-36: RGRM

Squares and roots of 1281442

1281442 squared (1281442²) is 1642093599364
1281442 cubed (1281442³) is 2104247706156202888
The square root of 1281442 is 1132.0079505021
The cube root of 1281442 is 108.6174621769

Scales and comparisons

How big is 1281442?

1,281,442 seconds is equal to 2 weeks, 19 hours, 57 minutes, 22 seconds.
To count from 1 to 1,281,442 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 1281442 cubic inches would be around 9.1 feet tall.

Recreational maths with 1281442

1281442 backwards is 2441821
The number of decimal digits it has is: 7
The sum of 1281442's digits is 22
More coming soon!

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The information we have on file for 1281442 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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