1278428

1,278,428 is an even composite number composed of two prime numbers multiplied together.

What does the number 1278428 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

1278428 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 1278428:

2² × 319607

(2 × 2 × 319607)

See below for interesting mathematical facts about the number 1278428 from the Numbermatics database.

Names of 1278428

Cardinal: 1278428 can be written as One million, two hundred seventy-eight thousand, four hundred twenty-eight.

Scientific notation

Scientific notation: 1.278428 × 10⁶

Factors of 1278428

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 319609

Divisors of 1278428

Number of divisors d(n): 6
Complete list of divisors:
1 2 4 319607 639214 1278428
Sum of all divisors σ(n): 2237256
Sum of proper divisors (its aliquot sum) s(n): 958828
1278428 is a deficient number, because the sum of its proper divisors (958828) is less than itself. Its deficiency is 319600

Bases of 1278428

Binary: 100111000000111011100₂
Hexadecimal: 0x1381DC
Base-36: REFW

Squares and roots of 1278428

1278428 squared (1278428²) is 1634378151184
1278428 cubed (1278428³) is 2089434791061858752
The square root of 1278428 is 1130.6759040503
The cube root of 1278428 is 108.5322378667

Scales and comparisons

How big is 1278428?

1,278,428 seconds is equal to 2 weeks, 19 hours, 7 minutes, 8 seconds.
To count from 1 to 1,278,428 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 1278428 cubic inches would be around 9 feet tall.

Recreational maths with 1278428

1278428 backwards is 8248721
The number of decimal digits it has is: 7
The sum of 1278428's digits is 32
More coming soon!

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The information we have on file for 1278428 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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