420991

420,991 is an odd composite number composed of two prime numbers multiplied together.

What does the number 420991 look like?

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

420991 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 420991:

73² × 79

(73 × 73 × 79)

See below for interesting mathematical facts about the number 420991 from the Numbermatics database.

Names of 420991

Cardinal: 420991 can be written as Four hundred twenty thousand, nine hundred ninety-one.

Scientific notation

Scientific notation: 4.20991 × 10⁵

Factors of 420991

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 152

Divisors of 420991

Number of divisors d(n): 6
Complete list of divisors:
1 73 79 5329 5767 420991
Sum of all divisors σ(n): 432240
Sum of proper divisors (its aliquot sum) s(n): 11249
420991 is a deficient number, because the sum of its proper divisors (11249) is less than itself. Its deficiency is 409742

Bases of 420991

Binary: 1100110110001111111₂
Hexadecimal: 0x66C7F
Base-36: 90U7

Squares and roots of 420991

420991 squared (420991²) is 177233422081
420991 cubed (420991³) is 74613675595302271
The square root of 420991 is 648.8381924641
The cube root of 420991 is 74.9475781827

Scales and comparisons

How big is 420991?

420,991 seconds is equal to 4 days, 20 hours, 56 minutes, 31 seconds.
To count from 1 to 420,991 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 420991 cubic inches would be around 6.2 feet tall.

Recreational maths with 420991

420991 backwards is 199024
The number of decimal digits it has is: 6
The sum of 420991's digits is 25
More coming soon!

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The information we have on file for 420991 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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