390172928

390,172,928 is an even composite number composed of two prime numbers multiplied together.

What does the number 390172928 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 18 divisors.

390172928 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 390172928:

2⁸ × 1524113

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1524113)

See below for interesting mathematical facts about the number 390172928 from the Numbermatics database.

Names of 390172928

Cardinal: 390172928 can be written as Three hundred ninety million, one hundred seventy-two thousand, nine hundred twenty-eight.

Scientific notation

Scientific notation: 3.90172928 × 10⁸

Factors of 390172928

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 9
Sum of prime factors: 1524115

Divisors of 390172928

Number of divisors d(n): 18
Complete list of divisors:
1 2 4 8 16 32 64 128 256 1524113 3048226 6096452 12192904 24385808 48771616 97543232 195086464 390172928
Sum of all divisors σ(n): 778822254
Sum of proper divisors (its aliquot sum) s(n): 388649326
390172928 is a deficient number, because the sum of its proper divisors (388649326) is less than itself. Its deficiency is 1523602

Bases of 390172928

Binary: 10111010000011001000100000000₂
Hexadecimal: 0x17419100
Base-36: 6GARCW

Squares and roots of 390172928

390172928 squared (390172928²) is 152234913744093184
390172928 cubed (390172928³) is 59397942039360280306122752
The square root of 390172928 is 19752.7954477335
The cube root of 390172928 is 730.7223275009

Scales and comparisons

How big is 390172928?

390,172,928 seconds is equal to 12 years, 21 weeks, 21 hours, 22 minutes, 8 seconds.
To count from 1 to 390,172,928 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 390172928 cubic inches would be around 60.9 feet tall.

Recreational maths with 390172928

390172928 backwards is 829271093
The number of decimal digits it has is: 9
The sum of 390172928's digits is 41
More coming soon!

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The information we have on file for 390172928 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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