21492497

21,492,497 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21492497 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

21492497 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 21492497:

13 × 101 × 16369

See below for interesting mathematical facts about the number 21492497 from the Numbermatics database.

Names of 21492497

Cardinal: 21492497 can be written as Twenty-one million, four hundred ninety-two thousand, four hundred ninety-seven.

Scientific notation

Scientific notation: 2.1492497 × 10⁷

Factors of 21492497

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 16483

Divisors of 21492497

Number of divisors d(n): 8
Complete list of divisors:
1 13 101 1313 16369 212797 1653269 21492497
Sum of all divisors σ(n): 23376360
Sum of proper divisors (its aliquot sum) s(n): 1883863
21492497 is a deficient number, because the sum of its proper divisors (1883863) is less than itself. Its deficiency is 19608634

Bases of 21492497

Binary: 1010001111111001100010001₂
Hexadecimal: 0x147F311
Base-36: CSNPT

Squares and roots of 21492497

21492497 squared (21492497²) is 461927427295009
21492497 cubed (21492497³) is 9927973845355699047473
The square root of 21492497 is 4636.0001078515
The cube root of 21492497 is 278.0325385029

Scales and comparisons

How big is 21492497?

21,492,497 seconds is equal to 35 weeks, 3 days, 18 hours, 8 minutes, 17 seconds.
To count from 1 to 21,492,497 would take you about two 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 21492497 cubic inches would be around 23.2 feet tall.

Recreational maths with 21492497

21492497 backwards is 79429412
The number of decimal digits it has is: 8
The sum of 21492497's digits is 38
More coming soon!

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The information we have on file for 21492497 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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