121788990

121,788,990 is an even composite number composed of five prime numbers multiplied together.

What does the number 121788990 look like?

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

121788990 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 121788990:

2 × 3² × 5 × 877 × 1543

(2 × 3 × 3 × 5 × 877 × 1543)

See below for interesting mathematical facts about the number 121788990 from the Numbermatics database.

Names of 121788990

Cardinal: 121788990 can be written as One hundred twenty-one million, seven hundred eighty-eight thousand, nine hundred ninety.

Scientific notation

Scientific notation: 1.2178899 × 10⁸

Factors of 121788990

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 2430

Divisors of 121788990

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 5 6 9 10 15 18 30 45 90 877 1543 1754 2631 3086 4385 4629 5262 7715 7893 8770 9258 13155 13887 15430 15786 23145 26310 27774 39465 46290 69435 78930 138870 1353211 2706422 4059633 6766055 8119266 12178899 13532110 20298165 24357798 40596330 60894495 121788990
Sum of all divisors σ(n): 317217888
Sum of proper divisors (its aliquot sum) s(n): 195428898
121788990 is an abundant number, because the sum of its proper divisors (195428898) is greater than itself. Its abundance is 73639908

Bases of 121788990

Binary: 111010000100101101000111110₂
Hexadecimal: 0x7425A3E
Base-36: 20ICZI

Squares and roots of 121788990

121788990 squared (121788990²) is 14832558085220100
121788990 cubed (121788990³) is 1806442268315289906699000
The square root of 121788990 is 11035.8049094755
The cube root of 121788990 is 495.6814611643

Scales and comparisons

How big is 121788990?

121,788,990 seconds is equal to 3 years, 45 weeks, 2 days, 14 hours, 16 minutes, 30 seconds.
To count from 1 to 121,788,990 would take you about five 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 121788990 cubic inches would be around 41.3 feet tall.

Recreational maths with 121788990

121788990 backwards is 099887121
121788990 is a Harshad number.
The number of decimal digits it has is: 9
The sum of 121788990's digits is 45
More coming soon!

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The information we have on file for 121788990 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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