390628

390,628 is an even composite number composed of three prime numbers multiplied together.

What does the number 390628 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

390628 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 390628:

2² × 7² × 1993

(2 × 2 × 7 × 7 × 1993)

See below for interesting mathematical facts about the number 390628 from the Numbermatics database.

Names of 390628

Cardinal: 390628 can be written as Three hundred ninety thousand, six hundred twenty-eight.

Scientific notation

Scientific notation: 3.90628 × 10⁵

Factors of 390628

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 2002

Divisors of 390628

Number of divisors d(n): 18
Complete list of divisors:
1 2 4 7 14 28 49 98 196 1993 3986 7972 13951 27902 55804 97657 195314 390628
Sum of all divisors σ(n): 795606
Sum of proper divisors (its aliquot sum) s(n): 404978
390628 is an abundant number, because the sum of its proper divisors (404978) is greater than itself. Its abundance is 14350

Bases of 390628

Binary: 1011111010111100100₂
Hexadecimal: 0x5F5E4
Base-36: 8DES

Squares and roots of 390628

390628 squared (390628²) is 152590234384
390628 cubed (390628³) is 59606018076953152
The square root of 390628 is 625.0023999953
The cube root of 390628 is 73.1006305919

Scales and comparisons

How big is 390628?

390,628 seconds is equal to 4 days, 12 hours, 30 minutes, 28 seconds.
To count from 1 to 390,628 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 390628 cubic inches would be around 6.1 feet tall.

Recreational maths with 390628

390628 backwards is 826093
390628 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 390628's digits is 28
More coming soon!

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The information we have on file for 390628 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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