1428388

1,428,388 is an even composite number composed of three prime numbers multiplied together.

What does the number 1428388 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

1428388 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 1428388:

2² × 13² × 2113

(2 × 2 × 13 × 13 × 2113)

See below for interesting mathematical facts about the number 1428388 from the Numbermatics database.

Names of 1428388

Cardinal: 1428388 can be written as One million, four hundred twenty-eight thousand, three hundred eighty-eight.

Scientific notation

Scientific notation: 1.428388 × 10⁶

Factors of 1428388

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 2128

Divisors of 1428388

Number of divisors d(n): 18
Complete list of divisors:
1 2 4 13 26 52 169 338 676 2113 4226 8452 27469 54938 109876 357097 714194 1428388
Sum of all divisors σ(n): 2708034
Sum of proper divisors (its aliquot sum) s(n): 1279646
1428388 is a deficient number, because the sum of its proper divisors (1279646) is less than itself. Its deficiency is 148742

Bases of 1428388

Binary: 101011100101110100100₂
Hexadecimal: 0x15CBA4
Base-36: UM5G

Squares and roots of 1428388

1428388 squared (1428388²) is 2040292278544
1428388 cubed (1428388³) is 2914329007164907072
The square root of 1428388 is 1195.1518731943
The cube root of 1428388 is 112.6199674971

Scales and comparisons

How big is 1428388?

1,428,388 seconds is equal to 2 weeks, 2 days, 12 hours, 46 minutes, 28 seconds.
To count from 1 to 1,428,388 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 1428388 cubic inches would be around 9.4 feet tall.

Recreational maths with 1428388

1428388 backwards is 8838241
The number of decimal digits it has is: 7
The sum of 1428388's digits is 34
More coming soon!

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The information we have on file for 1428388 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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