172890

172,890 is an even composite number composed of five prime numbers multiplied together.

What does the number 172890 look like?

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

172890 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 172890:

2 × 3² × 5 × 17 × 113

(2 × 3 × 3 × 5 × 17 × 113)

See below for interesting mathematical facts about the number 172890 from the Numbermatics database.

Names of 172890

Cardinal: 172890 can be written as One hundred seventy-two thousand, eight hundred ninety.

Scientific notation

Scientific notation: 1.7289 × 10⁵

Factors of 172890

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 140

Divisors of 172890

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 113 153 170 226 255 306 339 510 565 678 765 1017 1130 1530 1695 1921 2034 3390 3842 5085 5763 9605 10170 11526 17289 19210 28815 34578 57630 86445 172890
Sum of all divisors σ(n): 480168
Sum of proper divisors (its aliquot sum) s(n): 307278
172890 is an abundant number, because the sum of its proper divisors (307278) is greater than itself. Its abundance is 134388

Bases of 172890

Binary: 101010001101011010₂
Hexadecimal: 0x2A35A
Base-36: 3PEI

Squares and roots of 172890

172890 squared (172890²) is 29890952100
172890 cubed (172890³) is 5167846708569000
The square root of 172890 is 415.8004329003
The cube root of 172890 is 55.7087343017

Scales and comparisons

How big is 172890?

172,890 seconds is equal to 2 days, 1 minute, 30 seconds.
To count from 1 to 172,890 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 172890 cubic inches would be around 4.6 feet tall.

Recreational maths with 172890

172890 backwards is 098271
The number of decimal digits it has is: 6
The sum of 172890's digits is 27
More coming soon!

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The information we have on file for 172890 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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