40021405

40,021,405 is an odd composite number composed of two prime numbers multiplied together.

What does the number 40021405 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

40021405 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 40021405:

5 × 8004281

See below for interesting mathematical facts about the number 40021405 from the Numbermatics database.

Names of 40021405

Cardinal: 40021405 can be written as Forty million, twenty-one thousand, four hundred five.

Scientific notation

Scientific notation: 4.0021405 × 10⁷

Factors of 40021405

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 8004286

Divisors of 40021405

Number of divisors d(n): 4
Complete list of divisors:
1 5 8004281 40021405
Sum of all divisors σ(n): 48025692
Sum of proper divisors (its aliquot sum) s(n): 8004287
40021405 is a deficient number, because the sum of its proper divisors (8004287) is less than itself. Its deficiency is 32017118

Bases of 40021405

Binary: 10011000101010110110011101₂
Hexadecimal: 0x262AD9D
Base-36: NTSPP

Squares and roots of 40021405

40021405 squared (40021405²) is 1601712858174025
40021405 cubed (40021405³) is 64102798990690215005125
The square root of 40021405 is 6326.2473078437
The cube root of 40021405 is 342.0561818489

Scales and comparisons

How big is 40021405?

40,021,405 seconds is equal to 1 year, 14 weeks, 1 day, 5 hours, 3 minutes, 25 seconds.
To count from 1 to 40,021,405 would take you about forty-seven 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 40021405 cubic inches would be around 28.5 feet tall.

Recreational maths with 40021405

40021405 backwards is 50412004
The number of decimal digits it has is: 8
The sum of 40021405's digits is 16
More coming soon!

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The information we have on file for 40021405 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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