30421990

30,421,990 is an even composite number composed of four prime numbers multiplied together.

What does the number 30421990 look like?

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

30421990 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 30421990:

2 × 5 × 83 × 36653

See below for interesting mathematical facts about the number 30421990 from the Numbermatics database.

Names of 30421990

Cardinal: 30421990 can be written as Thirty million, four hundred twenty-one thousand, nine hundred ninety.

Scientific notation

Scientific notation: 3.042199 × 10⁷

Factors of 30421990

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 36743

Divisors of 30421990

Number of divisors d(n): 16
Complete list of divisors:
1 2 5 10 83 166 415 830 36653 73306 183265 366530 3042199 6084398 15210995 30421990
Sum of all divisors σ(n): 55420848
Sum of proper divisors (its aliquot sum) s(n): 24998858
30421990 is a deficient number, because the sum of its proper divisors (24998858) is less than itself. Its deficiency is 5423132

Bases of 30421990

Binary: 1110100000011001111100110₂
Hexadecimal: 0x1D033E6
Base-36: I41RA

Squares and roots of 30421990

30421990 squared (30421990²) is 925497475560100
30421990 cubed (30421990³) is 28155474946514606599000
The square root of 30421990 is 5515.6132931887
The cube root of 30421990 is 312.1733846173

Scales and comparisons

How big is 30421990?

30,421,990 seconds is equal to 50 weeks, 2 days, 2 hours, 33 minutes, 10 seconds.
To count from 1 to 30,421,990 would take you about twenty-three weeks!

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 30421990 cubic inches would be around 26 feet tall.

Recreational maths with 30421990

30421990 backwards is 09912403
The number of decimal digits it has is: 8
The sum of 30421990's digits is 28
More coming soon!

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The information we have on file for 30421990 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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