421521961

421,521,961 is an odd composite number composed of two prime numbers multiplied together.

What does the number 421521961 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 15 divisors.

421521961 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of fifteen divisors.

Prime factorization of 421521961:

7⁴ × 419²

(7 × 7 × 7 × 7 × 419 × 419)

See below for interesting mathematical facts about the number 421521961 from the Numbermatics database.

Names of 421521961

Cardinal: 421521961 can be written as Four hundred twenty-one million, five hundred twenty-one thousand, nine hundred sixty-one.

Scientific notation

Scientific notation: 4.21521961 × 10⁸

Factors of 421521961

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 6
Sum of prime factors: 426

Divisors of 421521961

Number of divisors d(n): 15
Complete list of divisors:
1 7 49 343 419 2401 2933 20531 143717 175561 1006019 1228927 8602489 60217423 421521961
Sum of all divisors σ(n): 492922781
Sum of proper divisors (its aliquot sum) s(n): 71400820
421521961 is a deficient number, because the sum of its proper divisors (71400820) is less than itself. Its deficiency is 350121141

Bases of 421521961

Binary: 11001000111111110101000101001₂
Hexadecimal: 0x191FEA29
Base-36: 6YYOFD

Squares and roots of 421521961

421521961 squared (421521961²) is 177680763605285521
421521961 cubed (421521961³) is 74896343906877382776826681
421521961 is a perfect square number. Its square root is 20531
The cube root of 421521961 is 749.7907333191

Scales and comparisons

How big is 421521961?

421,521,961 seconds is equal to 13 years, 20 weeks, 6 days, 17 hours, 26 minutes, 1 second.
To count from 1 to 421,521,961 would take you about twenty years!

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 421521961 cubic inches would be around 62.5 feet tall.

Recreational maths with 421521961

421521961 backwards is 169125124
The number of decimal digits it has is: 9
The sum of 421521961's digits is 31
More coming soon!

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The information we have on file for 421521961 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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