421390625

421,390,625 is an odd composite number composed of three prime numbers multiplied together.

What does the number 421390625 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.

421390625 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

Prime factorization of 421390625:

5⁶ × 149 × 181

(5 × 5 × 5 × 5 × 5 × 5 × 149 × 181)

See below for interesting mathematical facts about the number 421390625 from the Numbermatics database.

Names of 421390625

Cardinal: 421390625 can be written as Four hundred twenty-one million, three hundred ninety thousand, six hundred twenty-five.

Scientific notation

Scientific notation: 4.21390625 × 10⁸

Factors of 421390625

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 335

Divisors of 421390625

Number of divisors d(n): 28
Complete list of divisors:
1 5 25 125 149 181 625 745 905 3125 3725 4525 15625 18625 22625 26969 93125 113125 134845 465625 565625 674225 2328125 2828125 3371125 16855625 84278125 421390625
Sum of all divisors σ(n): 533196300
Sum of proper divisors (its aliquot sum) s(n): 111805675
421390625 is a deficient number, because the sum of its proper divisors (111805675) is less than itself. Its deficiency is 309584950

Bases of 421390625

Binary: 11001000111011110100100100001₂
Hexadecimal: 0x191DE921
Base-36: 6YVV35

Squares and roots of 421390625

421390625 squared (421390625²) is 177570058837890625
421390625 cubed (421390625³) is 74826358074985504150390625
The square root of 421390625 is 20527.8012704721
The cube root of 421390625 is 749.7128530391

Scales and comparisons

How big is 421390625?

421,390,625 seconds is equal to 13 years, 20 weeks, 5 days, 4 hours, 57 minutes, 5 seconds.
To count from 1 to 421,390,625 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 421390625 cubic inches would be around 62.5 feet tall.

Recreational maths with 421390625

421390625 backwards is 526093124
The number of decimal digits it has is: 9
The sum of 421390625's digits is 32
More coming soon!

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The information we have on file for 421390625 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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