21449497

21,449,497 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21449497 look like?

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

21449497 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 21449497:

157 × 136621

See below for interesting mathematical facts about the number 21449497 from the Numbermatics database.

Names of 21449497

Cardinal: 21449497 can be written as Twenty-one million, four hundred forty-nine thousand, four hundred ninety-seven.

Scientific notation

Scientific notation: 2.1449497 × 10⁷

Factors of 21449497

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 136778

Divisors of 21449497

Number of divisors d(n): 4
Complete list of divisors:
1 157 136621 21449497
Sum of all divisors σ(n): 21586276
Sum of proper divisors (its aliquot sum) s(n): 136779
21449497 is a deficient number, because the sum of its proper divisors (136779) is less than itself. Its deficiency is 21312718

Bases of 21449497

Binary: 1010001110100101100011001₂
Hexadecimal: 0x1474B19
Base-36: CRQJD

Squares and roots of 21449497

21449497 squared (21449497²) is 460080921553009
21449497 cubed (21449497³) is 9868504346608501886473
The square root of 21449497 is 4631.3601673807
The cube root of 21449497 is 277.8469949761

Scales and comparisons

How big is 21449497?

21,449,497 seconds is equal to 35 weeks, 3 days, 6 hours, 11 minutes, 37 seconds.
To count from 1 to 21,449,497 would take you about nine hours!

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 21449497 cubic inches would be around 23.2 feet tall.

Recreational maths with 21449497

21449497 backwards is 79494412
The number of decimal digits it has is: 8
The sum of 21449497's digits is 40
More coming soon!

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The information we have on file for 21449497 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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