813409

813,409 is an odd composite number composed of three prime numbers multiplied together.

What does the number 813409 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

813409 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 813409:

19 × 31 × 1381

See below for interesting mathematical facts about the number 813409 from the Numbermatics database.

Names of 813409

Cardinal: 813409 can be written as Eight hundred thirteen thousand, four hundred nine.

Scientific notation

Scientific notation: 8.13409 × 10⁵

Factors of 813409

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 1431

Divisors of 813409

Number of divisors d(n): 8
Complete list of divisors:
1 19 31 589 1381 26239 42811 813409
Sum of all divisors σ(n): 884480
Sum of proper divisors (its aliquot sum) s(n): 71071
813409 is a deficient number, because the sum of its proper divisors (71071) is less than itself. Its deficiency is 742338

Bases of 813409

Binary: 11000110100101100001₂
Hexadecimal: 0xC6961
Base-36: HFMP

Squares and roots of 813409

813409 squared (813409²) is 661634201281
813409 cubed (813409³) is 538179214029776929
The square root of 813409 is 901.8919003961
The cube root of 813409 is 93.3475644401

Scales and comparisons

How big is 813409?

813,409 seconds is equal to 1 week, 2 days, 9 hours, 56 minutes, 49 seconds.
To count from 1 to 813,409 would take you about two days!

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 813409 cubic inches would be around 7.8 feet tall.

Recreational maths with 813409

813409 backwards is 904318
The number of decimal digits it has is: 6
The sum of 813409's digits is 25
More coming soon!

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The information we have on file for 813409 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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