1981427

1,981,427 is an odd composite number composed of four prime numbers multiplied together.

What does the number 1981427 look like?

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

1981427 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 1981427:

7 × 23 × 31 × 397

See below for interesting mathematical facts about the number 1981427 from the Numbermatics database.

Names of 1981427

Cardinal: 1981427 can be written as One million, nine hundred eighty-one thousand, four hundred twenty-seven.

Scientific notation

Scientific notation: 1.981427 × 10⁶

Factors of 1981427

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 458

Divisors of 1981427

Number of divisors d(n): 16
Complete list of divisors:
1 7 23 31 161 217 397 713 2779 4991 9131 12307 63917 86149 283061 1981427
Sum of all divisors σ(n): 2445312
Sum of proper divisors (its aliquot sum) s(n): 463885
1981427 is a deficient number, because the sum of its proper divisors (463885) is less than itself. Its deficiency is 1517542

Bases of 1981427

Binary: 111100011101111110011₂
Hexadecimal: 0x1E3BF3
Base-36: 16GVN

Squares and roots of 1981427

1981427 squared (1981427²) is 3926052956329
1981427 cubed (1981427³) is 7779187331100101483
The square root of 1981427 is 1407.6316989895
The cube root of 1981427 is 125.6008828895

Scales and comparisons

How big is 1981427?

1,981,427 seconds is equal to 3 weeks, 1 day, 22 hours, 23 minutes, 47 seconds.
To count from 1 to 1,981,427 would take you about four 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 1981427 cubic inches would be around 10.5 feet tall.

Recreational maths with 1981427

1981427 backwards is 7241891
The number of decimal digits it has is: 7
The sum of 1981427's digits is 32
More coming soon!

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The information we have on file for 1981427 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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