393742221

393,742,221 is an odd composite number composed of three prime numbers multiplied together.

What does the number 393742221 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

393742221 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 393742221:

3 × 23 × 5706409

See below for interesting mathematical facts about the number 393742221 from the Numbermatics database.

Names of 393742221

Cardinal: 393742221 can be written as Three hundred ninety-three million, seven hundred forty-two thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 3.93742221 × 10⁸

Factors of 393742221

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 5706435

Divisors of 393742221

Number of divisors d(n): 8
Complete list of divisors:
1 3 23 69 5706409 17119227 131247407 393742221
Sum of all divisors σ(n): 547815360
Sum of proper divisors (its aliquot sum) s(n): 154073139
393742221 is a deficient number, because the sum of its proper divisors (154073139) is less than itself. Its deficiency is 239669082

Bases of 393742221

Binary: 10111011110000000011110001101₂
Hexadecimal: 0x1778078D
Base-36: 6IF9FX

Squares and roots of 393742221

393742221 squared (393742221²) is 155032936598012841
393742221 cubed (393742221³) is 61043012784253760201859861
The square root of 393742221 is 19842.9388196407
The cube root of 393742221 is 732.9437776499

Scales and comparisons

How big is 393742221?

393,742,221 seconds is equal to 12 years, 27 weeks, 4 hours, 50 minutes, 21 seconds.
To count from 1 to 393,742,221 would take you about eighteen 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 393742221 cubic inches would be around 61.1 feet tall.

Recreational maths with 393742221

393742221 backwards is 122247393
The number of decimal digits it has is: 9
The sum of 393742221's digits is 33
More coming soon!

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The information we have on file for 393742221 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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