165642393

165,642,393 is an odd composite number composed of five prime numbers multiplied together.

What does the number 165642393 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

165642393 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 165642393:

3 × 7² × 31 × 163 × 223

(3 × 7 × 7 × 31 × 163 × 223)

See below for interesting mathematical facts about the number 165642393 from the Numbermatics database.

Names of 165642393

Cardinal: 165642393 can be written as One hundred sixty-five million, six hundred forty-two thousand, three hundred ninety-three.

Scientific notation

Scientific notation: 1.65642393 × 10⁸

Factors of 165642393

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 427

Divisors of 165642393

Number of divisors d(n): 48
Complete list of divisors:
1 3 7 21 31 49 93 147 163 217 223 489 651 669 1141 1519 1561 3423 4557 4683 5053 6913 7987 10927 15159 20739 23961 32781 35371 36349 48391 106113 109047 145173 247597 254443 338737 742791 763329 1016211 1126819 1781101 3380457 5343303 7887733 23663199 55214131 165642393
Sum of all divisors σ(n): 268025856
Sum of proper divisors (its aliquot sum) s(n): 102383463
165642393 is a deficient number, because the sum of its proper divisors (102383463) is less than itself. Its deficiency is 63258930

Bases of 165642393

Binary: 1001110111111000000010011001₂
Hexadecimal: 0x9DF8099
Base-36: 2QMAHL

Squares and roots of 165642393

165642393 squared (165642393²) is 27437402358766449
165642393 cubed (165642393³) is 4544796984409919140472457
The square root of 165642393 is 12870.2134014941
The cube root of 165642393 is 549.1915317399

Scales and comparisons

How big is 165642393?

165,642,393 seconds is equal to 5 years, 13 weeks, 6 days, 3 hours, 46 minutes, 33 seconds.
To count from 1 to 165,642,393 would take you about seven 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 165642393 cubic inches would be around 45.8 feet tall.

Recreational maths with 165642393

165642393 backwards is 393246561
The number of decimal digits it has is: 9
The sum of 165642393's digits is 39
More coming soon!

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The information we have on file for 165642393 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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