172989

172,989 is an odd composite number composed of three prime numbers multiplied together.

What does the number 172989 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

172989 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 172989:

3³ × 43 × 149

(3 × 3 × 3 × 43 × 149)

See below for interesting mathematical facts about the number 172989 from the Numbermatics database.

Names of 172989

Cardinal: 172989 can be written as One hundred seventy-two thousand, nine hundred eighty-nine.

Scientific notation

Scientific notation: 1.72989 × 10⁵

Factors of 172989

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 195

Divisors of 172989

Number of divisors d(n): 16
Complete list of divisors:
1 3 9 27 43 129 149 387 447 1161 1341 4023 6407 19221 57663 172989
Sum of all divisors σ(n): 264000
Sum of proper divisors (its aliquot sum) s(n): 91011
172989 is a deficient number, because the sum of its proper divisors (91011) is less than itself. Its deficiency is 81978

Bases of 172989

Binary: 101010001110111101₂
Hexadecimal: 0x2A3BD
Base-36: 3PH9

Squares and roots of 172989

172989 squared (172989²) is 29925194121
172989 cubed (172989³) is 5176729405797669
The square root of 172989 is 415.9194633579
The cube root of 172989 is 55.7193655555

Scales and comparisons

How big is 172989?

172,989 seconds is equal to 2 days, 3 minutes, 9 seconds.
To count from 1 to 172,989 would take you about two days.

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 172989 cubic inches would be around 4.6 feet tall.

Recreational maths with 172989

172989 backwards is 989271
The number of decimal digits it has is: 6
The sum of 172989's digits is 36
More coming soon!

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The information we have on file for 172989 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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