399490221

399,490,221 is an odd composite number composed of four prime numbers multiplied together.

What does the number 399490221 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

399490221 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 399490221:

3 × 13 × 37 × 276847

See below for interesting mathematical facts about the number 399490221 from the Numbermatics database.

Names of 399490221

Cardinal: 399490221 can be written as Three hundred ninety-nine million, four hundred ninety thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 3.99490221 × 10⁸

Factors of 399490221

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 276900

Divisors of 399490221

Number of divisors d(n): 16
Complete list of divisors:
1 3 13 37 39 111 481 1443 276847 830541 3599011 10243339 10797033 30730017 133163407 399490221
Sum of all divisors σ(n): 589132544
Sum of proper divisors (its aliquot sum) s(n): 189642323
399490221 is a deficient number, because the sum of its proper divisors (189642323) is less than itself. Its deficiency is 209847898

Bases of 399490221

Binary: 10111110011111011110010101101₂
Hexadecimal: 0x17CFBCAD
Base-36: 6LUGML

Squares and roots of 399490221

399490221 squared (399490221²) is 159592436674628841
399490221 cubed (399490221³) is 63755617797075980784063861
The square root of 399490221 is 19987.2514618693
The cube root of 399490221 is 736.4931596815

Scales and comparisons

How big is 399490221?

399,490,221 seconds is equal to 12 years, 36 weeks, 3 days, 17 hours, 30 minutes, 21 seconds.
To count from 1 to 399,490,221 would take you about nineteen 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 399490221 cubic inches would be around 61.4 feet tall.

Recreational maths with 399490221

399490221 backwards is 122094993
399490221 is a Harshad number.
The number of decimal digits it has is: 9
The sum of 399490221's digits is 39
More coming soon!

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The information we have on file for 399490221 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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