390661

390,661 is an odd composite number composed of two prime numbers multiplied together.

What does the number 390661 look like?

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

390661 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 390661:

241 × 1621

See below for interesting mathematical facts about the number 390661 from the Numbermatics database.

Names of 390661

Cardinal: 390661 can be written as Three hundred ninety thousand, six hundred sixty-one.

Scientific notation

Scientific notation: 3.90661 × 10⁵

Factors of 390661

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 1862

Divisors of 390661

Number of divisors d(n): 4
Complete list of divisors:
1 241 1621 390661
Sum of all divisors σ(n): 392524
Sum of proper divisors (its aliquot sum) s(n): 1863
390661 is a deficient number, because the sum of its proper divisors (1863) is less than itself. Its deficiency is 388798

Bases of 390661

Binary: 1011111011000000101₂
Hexadecimal: 0x5F605
Base-36: 8DFP

Squares and roots of 390661

390661 squared (390661²) is 152616016921
390661 cubed (390661³) is 59621125786374781
The square root of 390661 is 625.0287993365
The cube root of 390661 is 73.1026890319

Scales and comparisons

How big is 390661?

390,661 seconds is equal to 4 days, 12 hours, 31 minutes, 1 second.
To count from 1 to 390,661 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 390661 cubic inches would be around 6.1 feet tall.

Recreational maths with 390661

390661 backwards is 166093
The number of decimal digits it has is: 6
The sum of 390661's digits is 25
More coming soon!

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The information we have on file for 390661 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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