21551121

21,551,121 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21551121 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

21551121 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21551121:

3² × 17 × 79 × 1783

(3 × 3 × 17 × 79 × 1783)

See below for interesting mathematical facts about the number 21551121 from the Numbermatics database.

Names of 21551121

Cardinal: 21551121 can be written as Twenty-one million, five hundred fifty-one thousand, one hundred twenty-one.

Scientific notation

Scientific notation: 2.1551121 × 10⁷

Factors of 21551121

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 1882

Divisors of 21551121

Number of divisors d(n): 24
Complete list of divisors:
1 3 9 17 51 79 153 237 711 1343 1783 4029 5349 12087 16047 30311 90933 140857 272799 422571 1267713 2394569 7183707 21551121
Sum of all divisors σ(n): 33396480
Sum of proper divisors (its aliquot sum) s(n): 11845359
21551121 is a deficient number, because the sum of its proper divisors (11845359) is less than itself. Its deficiency is 9705762

Bases of 21551121

Binary: 1010010001101100000010001₂
Hexadecimal: 0x148D811
Base-36: CTWY9

Squares and roots of 21551121

21551121 squared (21551121²) is 464450816356641
21551121 cubed (21551121³) is 10009435741850749344561
The square root of 21551121 is 4642.3184940287
The cube root of 21551121 is 278.2851007853

Scales and comparisons

How big is 21551121?

21,551,121 seconds is equal to 35 weeks, 4 days, 10 hours, 25 minutes, 21 seconds.
To count from 1 to 21,551,121 would take you about three 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 21551121 cubic inches would be around 23.2 feet tall.

Recreational maths with 21551121

21551121 backwards is 12115512
The number of decimal digits it has is: 8
The sum of 21551121's digits is 18
More coming soon!

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The information we have on file for 21551121 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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