1388864

1,388,864 is an even composite number composed of two prime numbers multiplied together.

What does the number 1388864 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 14 divisors.

1388864 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of fourteen divisors.

Prime factorization of 1388864:

2⁶ × 21701

(2 × 2 × 2 × 2 × 2 × 2 × 21701)

See below for interesting mathematical facts about the number 1388864 from the Numbermatics database.

Names of 1388864

Cardinal: 1388864 can be written as One million, three hundred eighty-eight thousand, eight hundred sixty-four.

Scientific notation

Scientific notation: 1.388864 × 10⁶

Factors of 1388864

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 7
Sum of prime factors: 21703

Divisors of 1388864

Number of divisors d(n): 14
Complete list of divisors:
1 2 4 8 16 32 64 21701 43402 86804 173608 347216 694432 1388864
Sum of all divisors σ(n): 2756154
Sum of proper divisors (its aliquot sum) s(n): 1367290
1388864 is a deficient number, because the sum of its proper divisors (1367290) is less than itself. Its deficiency is 21574

Bases of 1388864

Binary: 101010011000101000000₂
Hexadecimal: 0x153140
Base-36: TRNK

Squares and roots of 1388864

1388864 squared (1388864²) is 1928943210496
1388864 cubed (1388864³) is 2679039783102316544
The square root of 1388864 is 1178.5007424691
The cube root of 1388864 is 111.5714918853

Scales and comparisons

How big is 1388864?

1,388,864 seconds is equal to 2 weeks, 2 days, 1 hour, 47 minutes, 44 seconds.
To count from 1 to 1,388,864 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 1388864 cubic inches would be around 9.3 feet tall.

Recreational maths with 1388864

1388864 backwards is 4688831
The number of decimal digits it has is: 7
The sum of 1388864's digits is 38
More coming soon!

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The information we have on file for 1388864 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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