402389

402,389 is an odd composite number composed of two prime numbers multiplied together.

What does the number 402389 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

402389 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 402389:

13² × 2381

(13 × 13 × 2381)

See below for interesting mathematical facts about the number 402389 from the Numbermatics database.

Names of 402389

Cardinal: 402389 can be written as Four hundred two thousand, three hundred eighty-nine.

Scientific notation

Scientific notation: 4.02389 × 10⁵

Factors of 402389

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 2394

Divisors of 402389

Number of divisors d(n): 6
Complete list of divisors:
1 13 169 2381 30953 402389
Sum of all divisors σ(n): 435906
Sum of proper divisors (its aliquot sum) s(n): 33517
402389 is a deficient number, because the sum of its proper divisors (33517) is less than itself. Its deficiency is 368872

Bases of 402389

Binary: 1100010001111010101₂
Hexadecimal: 0x623D5
Base-36: 8MHH

Squares and roots of 402389

402389 squared (402389²) is 161916907321
402389 cubed (402389³) is 65153582419989869
The square root of 402389 is 634.3413907353
The cube root of 402389 is 73.8270247653

Scales and comparisons

How big is 402389?

402,389 seconds is equal to 4 days, 15 hours, 46 minutes, 29 seconds.
To count from 1 to 402,389 would take you about four 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 402389 cubic inches would be around 6.2 feet tall.

Recreational maths with 402389

402389 backwards is 983204
The number of decimal digits it has is: 6
The sum of 402389's digits is 26
More coming soon!

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The information we have on file for 402389 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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