168387021

168,387,021 is an odd composite number composed of five prime numbers multiplied together.

What does the number 168387021 look like?

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

168387021 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 168387021:

3² × 11 × 29 × 89 × 659

(3 × 3 × 11 × 29 × 89 × 659)

See below for interesting mathematical facts about the number 168387021 from the Numbermatics database.

Names of 168387021

Cardinal: 168387021 can be written as One hundred sixty-eight million, three hundred eighty-seven thousand and twenty-one.

Scientific notation

Scientific notation: 1.68387021 × 10⁸

Factors of 168387021

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 791

Divisors of 168387021

Number of divisors d(n): 48
Complete list of divisors:
1 3 9 11 29 33 87 89 99 261 267 319 659 801 957 979 1977 2581 2871 2937 5931 7249 7743 8811 19111 21747 23229 28391 57333 58651 65241 85173 171999 175953 210221 255519 527859 630663 645161 1700879 1891989 1935483 5102637 5806449 15307911 18709669 56129007 168387021
Sum of all divisors σ(n): 277992000
Sum of proper divisors (its aliquot sum) s(n): 109604979
168387021 is a deficient number, because the sum of its proper divisors (109604979) is less than itself. Its deficiency is 58782042

Bases of 168387021

Binary: 1010000010010110000111001101₂
Hexadecimal: 0xA0961CD
Base-36: 2S9499

Squares and roots of 168387021

168387021 squared (168387021²) is 28354188841254441
168387021 cubed (168387021³) is 4774477391850277223010261
The square root of 168387021 is 12976.4024675563
The cube root of 168387021 is 552.2082252399

Scales and comparisons

How big is 168387021?

168,387,021 seconds is equal to 5 years, 18 weeks, 2 days, 22 hours, 10 minutes, 21 seconds.
To count from 1 to 168,387,021 would take you about eight 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 168387021 cubic inches would be around 46 feet tall.

Recreational maths with 168387021

168387021 backwards is 120783861
The number of decimal digits it has is: 9
The sum of 168387021's digits is 36
More coming soon!

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The information we have on file for 168387021 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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