198445

198,445 is an odd composite number composed of four prime numbers multiplied together.

What does the number 198445 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

198445 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 198445:

5 × 13 × 43 × 71

See below for interesting mathematical facts about the number 198445 from the Numbermatics database.

Names of 198445

Cardinal: 198445 can be written as One hundred ninety-eight thousand, four hundred forty-five.

Scientific notation

Scientific notation: 1.98445 × 10⁵

Factors of 198445

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 132

Divisors of 198445

Number of divisors d(n): 16
Complete list of divisors:
1 5 13 43 65 71 215 355 559 923 2795 3053 4615 15265 39689 198445
Sum of all divisors σ(n): 266112
Sum of proper divisors (its aliquot sum) s(n): 67667
198445 is a deficient number, because the sum of its proper divisors (67667) is less than itself. Its deficiency is 130778

Bases of 198445

Binary: 110000011100101101₂
Hexadecimal: 0x3072D
Base-36: 494D

Squares and roots of 198445

198445 squared (198445²) is 39380418025
198445 cubed (198445³) is 7814847054971125
The square root of 198445 is 445.4716601535
The cube root of 198445 is 58.3283986755

Scales and comparisons

How big is 198445?

198,445 seconds is equal to 2 days, 7 hours, 7 minutes, 25 seconds.
To count from 1 to 198,445 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 198445 cubic inches would be around 4.9 feet tall.

Recreational maths with 198445

198445 backwards is 544891
The number of decimal digits it has is: 6
The sum of 198445's digits is 31
More coming soon!

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The information we have on file for 198445 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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