21350661

21,350,661 is an odd composite number composed of five prime numbers multiplied together.

What does the number 21350661 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

21350661 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21350661:

3 × 19 × 31 × 43 × 281

See below for interesting mathematical facts about the number 21350661 from the Numbermatics database.

Names of 21350661

Cardinal: 21350661 can be written as Twenty-one million, three hundred fifty thousand, six hundred sixty-one.

Scientific notation

Scientific notation: 2.1350661 × 10⁷

Factors of 21350661

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 377

Divisors of 21350661

Number of divisors d(n): 32
Complete list of divisors:
1 3 19 31 43 57 93 129 281 589 817 843 1333 1767 2451 3999 5339 8711 12083 16017 25327 26133 36249 75981 165509 229577 374573 496527 688731 1123719 7116887 21350661
Sum of all divisors σ(n): 31764480
Sum of proper divisors (its aliquot sum) s(n): 10413819
21350661 is a deficient number, because the sum of its proper divisors (10413819) is less than itself. Its deficiency is 10936842

Bases of 21350661

Binary: 1010001011100100100000101₂
Hexadecimal: 0x145C905
Base-36: CPM9X

Squares and roots of 21350661

21350661 squared (21350661²) is 455850725136921
21350661 cubed (21350661³) is 9732714299002578854781
The square root of 21350661 is 4620.6775477195
The cube root of 21350661 is 277.4195790009

Scales and comparisons

How big is 21350661?

21,350,661 seconds is equal to 35 weeks, 2 days, 2 hours, 44 minutes, 21 seconds.
To count from 1 to 21,350,661 would take you about six 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 21350661 cubic inches would be around 23.1 feet tall.

Recreational maths with 21350661

21350661 backwards is 16605312
The number of decimal digits it has is: 8
The sum of 21350661's digits is 24
More coming soon!

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The information we have on file for 21350661 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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