128195990

128,195,990 is an even composite number composed of five prime numbers multiplied together.

What does the number 128195990 look like?

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

128195990 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 128195990:

2 × 5 × 13 × 83 × 109²

(2 × 5 × 13 × 83 × 109 × 109)

See below for interesting mathematical facts about the number 128195990 from the Numbermatics database.

Names of 128195990

Cardinal: 128195990 can be written as One hundred twenty-eight million, one hundred ninety-five thousand, nine hundred ninety.

Scientific notation

Scientific notation: 1.2819599 × 10⁸

Factors of 128195990

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 212

Divisors of 128195990

Number of divisors d(n): 48
Complete list of divisors:
1 2 5 10 13 26 65 83 109 130 166 218 415 545 830 1079 1090 1417 2158 2834 5395 7085 9047 10790 11881 14170 18094 23762 45235 59405 90470 117611 118810 154453 235222 308906 588055 772265 986123 1176110 1544530 1972246 4930615 9861230 12819599 25639198 64097995 128195990
Sum of all divisors σ(n): 253825488
Sum of proper divisors (its aliquot sum) s(n): 125629498
128195990 is a deficient number, because the sum of its proper divisors (125629498) is less than itself. Its deficiency is 2566492

Bases of 128195990

Binary: 111101001000001110110010110₂
Hexadecimal: 0x7A41D96
Base-36: 24BONQ

Squares and roots of 128195990

128195990 squared (128195990²) is 16434211852080100
128195990 cubed (128195990³) is 2106800058247141978799000
The square root of 128195990 is 11322.3668020427
The cube root of 128195990 is 504.2255095433

Scales and comparisons

How big is 128195990?

128,195,990 seconds is equal to 4 years, 3 weeks, 6 days, 17 hours, 59 minutes, 50 seconds.
To count from 1 to 128,195,990 would take you about six 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 128195990 cubic inches would be around 42 feet tall.

Recreational maths with 128195990

128195990 backwards is 099591821
The number of decimal digits it has is: 9
The sum of 128195990's digits is 44
More coming soon!

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The information we have on file for 128195990 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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