72946991

72,946,991 is an odd composite number composed of two prime numbers multiplied together.

What does the number 72946991 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

72946991 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 72946991:

13³ × 33203

(13 × 13 × 13 × 33203)

See below for interesting mathematical facts about the number 72946991 from the Numbermatics database.

Names of 72946991

Cardinal: 72946991 can be written as Seventy-two million, nine hundred forty-six thousand, nine hundred ninety-one.

Scientific notation

Scientific notation: 7.2946991 × 10⁷

Factors of 72946991

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 33216

Divisors of 72946991

Number of divisors d(n): 8
Complete list of divisors:
1 13 169 2197 33203 431639 5611307 72946991
Sum of all divisors σ(n): 79025520
Sum of proper divisors (its aliquot sum) s(n): 6078529
72946991 is a deficient number, because the sum of its proper divisors (6078529) is less than itself. Its deficiency is 66868462

Bases of 72946991

Binary: 100010110010001010100101111₂
Hexadecimal: 0x459152F
Base-36: 17FI9B

Squares and roots of 72946991

72946991 squared (72946991²) is 5321263495954081
72946991 cubed (72946991³) is 388170160347990883120271
The square root of 72946991 is 8540.9010648761
The cube root of 72946991 is 417.8327341415

Scales and comparisons

How big is 72946991?

72,946,991 seconds is equal to 2 years, 16 weeks, 4 days, 7 hours, 3 minutes, 11 seconds.
To count from 1 to 72,946,991 would take you about three 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 72946991 cubic inches would be around 34.8 feet tall.

Recreational maths with 72946991

72946991 backwards is 19964927
The number of decimal digits it has is: 8
The sum of 72946991's digits is 47
More coming soon!

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The information we have on file for 72946991 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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