393990

393,990 is an even composite number composed of five prime numbers multiplied together.

What does the number 393990 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

393990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 393990:

2 × 3 × 5 × 23 × 571

See below for interesting mathematical facts about the number 393990 from the Numbermatics database.

Names of 393990

Cardinal: 393990 can be written as Three hundred ninety-three thousand, nine hundred ninety.

Scientific notation

Scientific notation: 3.9399 × 10⁵

Factors of 393990

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 604

Divisors of 393990

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 571 690 1142 1713 2855 3426 5710 8565 13133 17130 26266 39399 65665 78798 131330 196995 393990
Sum of all divisors σ(n): 988416
Sum of proper divisors (its aliquot sum) s(n): 594426
393990 is an abundant number, because the sum of its proper divisors (594426) is greater than itself. Its abundance is 200436

Bases of 393990

Binary: 1100000001100000110₂
Hexadecimal: 0x60306
Base-36: 8G06

Squares and roots of 393990

393990 squared (393990²) is 155228120100
393990 cubed (393990³) is 61158327038199000
The square root of 393990 is 627.6862273461
The cube root of 393990 is 73.3097490735

Scales and comparisons

How big is 393990?

393,990 seconds is equal to 4 days, 13 hours, 26 minutes, 30 seconds.
To count from 1 to 393,990 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 393990 cubic inches would be around 6.1 feet tall.

Recreational maths with 393990

393990 backwards is 099393
The number of decimal digits it has is: 6
The sum of 393990's digits is 33
More coming soon!

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The information we have on file for 393990 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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