1428845

1,428,845 is an odd composite number composed of four prime numbers multiplied together.

What does the number 1428845 look like?

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

1428845 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 1428845:

5 × 11 × 83 × 313

See below for interesting mathematical facts about the number 1428845 from the Numbermatics database.

Names of 1428845

Cardinal: 1428845 can be written as One million, four hundred twenty-eight thousand, eight hundred forty-five.

Scientific notation

Scientific notation: 1.428845 × 10⁶

Factors of 1428845

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 412

Divisors of 1428845

Number of divisors d(n): 16
Complete list of divisors:
1 5 11 55 83 313 415 913 1565 3443 4565 17215 25979 129895 285769 1428845
Sum of all divisors σ(n): 1899072
Sum of proper divisors (its aliquot sum) s(n): 470227
1428845 is a deficient number, because the sum of its proper divisors (470227) is less than itself. Its deficiency is 958618

Bases of 1428845

Binary: 101011100110101101101₂
Hexadecimal: 0x15CD6D
Base-36: UMI5

Squares and roots of 1428845

1428845 squared (1428845²) is 2041598034025
1428845 cubed (1428845³) is 2917127142926451125
The square root of 1428845 is 1195.3430469953
The cube root of 1428845 is 112.6319768011

Scales and comparisons

How big is 1428845?

1,428,845 seconds is equal to 2 weeks, 2 days, 12 hours, 54 minutes, 5 seconds.
To count from 1 to 1,428,845 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 1428845 cubic inches would be around 9.4 feet tall.

Recreational maths with 1428845

1428845 backwards is 5488241
The number of decimal digits it has is: 7
The sum of 1428845's digits is 32
More coming soon!

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The information we have on file for 1428845 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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