15420928

15,420,928 is an even composite number composed of two prime numbers multiplied together.

What does the number 15420928 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 20 divisors.

15420928 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 15420928:

2⁹ × 30119

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 30119)

See below for interesting mathematical facts about the number 15420928 from the Numbermatics database.

Names of 15420928

Cardinal: 15420928 can be written as Fifteen million, four hundred twenty thousand, nine hundred twenty-eight.

Scientific notation

Scientific notation: 1.5420928 × 10⁷

Factors of 15420928

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 10
Sum of prime factors: 30121

Divisors of 15420928

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 8 16 32 64 128 256 512 30119 60238 120476 240952 481904 963808 1927616 3855232 7710464 15420928
Sum of all divisors σ(n): 30812760
Sum of proper divisors (its aliquot sum) s(n): 15391832
15420928 is a deficient number, because the sum of its proper divisors (15391832) is less than itself. Its deficiency is 29096

Bases of 15420928

Binary: 111010110100111000000000₂
Hexadecimal: 0xEB4E00
Base-36: 96IV4

Squares and roots of 15420928

15420928 squared (15420928²) is 237805020381184
15420928 cubed (15420928³) is 3667174097336771018752
The square root of 15420928 is 3926.9489428817
The cube root of 15420928 is 248.9068429981

Scales and comparisons

How big is 15420928?

15,420,928 seconds is equal to 25 weeks, 3 days, 11 hours, 35 minutes, 28 seconds.
To count from 1 to 15,420,928 would take you about thirty-eight 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 15420928 cubic inches would be around 20.7 feet tall.

Recreational maths with 15420928

15420928 backwards is 82902451
The number of decimal digits it has is: 8
The sum of 15420928's digits is 31
More coming soon!

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The information we have on file for 15420928 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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