10405

10,405 is an odd composite number composed of two prime numbers multiplied together.

What does the number 10405 look like?

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

10405 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 10405:

5 × 2081

See below for interesting mathematical facts about the number 10405 from the Numbermatics database.

Names of 10405

Cardinal: 10405 can be written as Ten thousand, four hundred five.

Scientific notation

Scientific notation: 1.0405 × 10⁴

Factors of 10405

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 2086

Divisors of 10405

Number of divisors d(n): 4
Complete list of divisors:
1 5 2081 10405
Sum of all divisors σ(n): 12492
Sum of proper divisors (its aliquot sum) s(n): 2087
10405 is a deficient number, because the sum of its proper divisors (2087) is less than itself. Its deficiency is 8318

Bases of 10405

Binary: 10100010100101₂
Hexadecimal: 0x28A5
Base-36: 811

Squares and roots of 10405

10405 squared (10405²) is 108264025
10405 cubed (10405³) is 1126487180125
The square root of 10405 is 102.0049018430
The cube root of 10405 is 21.8313551549

Scales and comparisons

How big is 10405?

10,405 seconds is equal to 2 hours, 53 minutes, 25 seconds.
To count from 1 to 10,405 would take you about two hours.

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 10405 cubic inches would be around 1.8 feet tall.

Recreational maths with 10405

10405 backwards is 50401
The number of decimal digits it has is: 5
The sum of 10405's digits is 10
More coming soon!

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The information we have on file for 10405 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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