420989

420,989 is an odd composite number composed of two prime numbers multiplied together.

What does the number 420989 look like?

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

420989 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 420989:

197 × 2137

See below for interesting mathematical facts about the number 420989 from the Numbermatics database.

Names of 420989

Cardinal: 420989 can be written as Four hundred twenty thousand, nine hundred eighty-nine.

Scientific notation

Scientific notation: 4.20989 × 10⁵

Factors of 420989

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 2334

Divisors of 420989

Number of divisors d(n): 4
Complete list of divisors:
1 197 2137 420989
Sum of all divisors σ(n): 423324
Sum of proper divisors (its aliquot sum) s(n): 2335
420989 is a deficient number, because the sum of its proper divisors (2335) is less than itself. Its deficiency is 418654

Bases of 420989

Binary: 1100110110001111101₂
Hexadecimal: 0x66C7D
Base-36: 90U5

Squares and roots of 420989

420989 squared (420989²) is 177231738121
420989 cubed (420989³) is 74612612199821669
The square root of 420989 is 648.8366512459
The cube root of 420989 is 74.9474594981

Scales and comparisons

How big is 420989?

420,989 seconds is equal to 4 days, 20 hours, 56 minutes, 29 seconds.
To count from 1 to 420,989 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 420989 cubic inches would be around 6.2 feet tall.

Recreational maths with 420989

420989 backwards is 989024
The number of decimal digits it has is: 6
The sum of 420989's digits is 32
More coming soon!

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The information we have on file for 420989 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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