47478991

47,478,991 is an odd composite number composed of two prime numbers multiplied together.

What does the number 47478991 look like?

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

47478991 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 47478991:

7² × 968959

(7 × 7 × 968959)

See below for interesting mathematical facts about the number 47478991 from the Numbermatics database.

Names of 47478991

Cardinal: 47478991 can be written as Forty-seven million, four hundred seventy-eight thousand, nine hundred ninety-one.

Scientific notation

Scientific notation: 4.7478991 × 10⁷

Factors of 47478991

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 968966

Divisors of 47478991

Number of divisors d(n): 6
Complete list of divisors:
1 7 49 968959 6782713 47478991
Sum of all divisors σ(n): 55230720
Sum of proper divisors (its aliquot sum) s(n): 7751729
47478991 is a deficient number, because the sum of its proper divisors (7751729) is less than itself. Its deficiency is 39727262

Bases of 47478991

Binary: 10110101000111100011001111₂
Hexadecimal: 0x2D478CF
Base-36: S9N0V

Squares and roots of 47478991

47478991 squared (47478991²) is 2254254586378081
47478991 cubed (47478991³) is 107029733218353630396271
The square root of 47478991 is 6890.5000544227
The cube root of 47478991 is 362.1044207987

Scales and comparisons

How big is 47478991?

47,478,991 seconds is equal to 1 year, 26 weeks, 3 days, 12 hours, 36 minutes, 31 seconds.
To count from 1 to 47,478,991 would take you about two years!

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 47478991 cubic inches would be around 30.2 feet tall.

Recreational maths with 47478991

47478991 backwards is 19987474
47478991 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 47478991's digits is 49
More coming soon!

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The information we have on file for 47478991 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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