21944688 (number)
21944688 is an even 8-digits composite number following 21944687 and preceding 21944689. In scientific notation, it is written as 2.1944688 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 40 positive divisors. There are 6884352 positive integers (up to 21944688) that are relatively prime to 21944688.
Interesting facts
- 21944688 has 40 divisors, whose sum is 60027408
- The reverse of 21944688 is 88644912
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
Name | twenty-one million nine hundred forty-four thousand six hundred eighty-eight |
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Notation
Scientific notation | 2.1944688 × 10^7 |
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Engineering notation | 2.1944688 × 10^6 |
Prime Factorization of 21944688
Prime Factorization 2 × 2 × 2 × 2 × 3 × 17 × 26893
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2743086 | Product of the distinct prime numbers |
The prime factorization of 21944688 is 2 × 2 × 2 × 2 × 3 × 17 × 26893. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21944688)
Multiplication
n×yn×2 | 43889376 |
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n×3 | 65834064 |
n×4 | 87778752 |
n×5 | 109723440 |
Division
n÷yn÷2 | 10972344 |
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n÷3 | 7314896 |
n÷3 | 5486172 |
n÷5 | 4388937.6 |
Exponentiation
nyn2 | 481569331417344 |
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n3 | 1.0567888728322E+22 |
n4 | 2.3190902096175E+29 |
n5 | 5.089171109391E+36 |
Nth Root
y√n2√n | 4684.5157700663 |
---|---|
3√n | 279.96890811223 |
4√n | 68.443522484354 |
5√n | 29.394486793476 |
Divisors of 21944688
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21944687 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) |
G | Geometric Mean | 1 | Returns the nth root of the product of n divisors |
H | Harmonic Mean | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21944688 can be divided by 40 positive divisors. The sum of these divisors (counting 21944688) is 1, the average is 0.025.
Base conversion 21944688
Base | System | Value |
---|---|---|
2 | Binary | 1010011101101100101110000 |
3 | Ternary | 1112021220110020 |
4 | Quaternary | 1103231211300 |
5 | Quinary | 21104212223 |
6 | Senary | 2102203440 |
8 | Octal | 123554560 |
10 | Decimal | 21944688 |
12 | Duodecimal | 7423580 |
16 | Hexadecimal | 14ed970 |
20 | Vigesimal | 6h31e8 |
36 | Base36 | d2cmo |
Cryptographic Hash Functions
md5 | 7db4056e9a1cf6d45fc1be5f8fcbd97a |
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sha1 | ec24a1117017cacb8c7f5b24e8362886709cd1fb |
sha256 | 391820142a0b51a32551ace96d4e4504eb1323c479b32a5da0aae0821e224977 |
sha512 | 67835428d4254796dd40026dba2ad80196c6d3b9b10c85ce51eeae6747f1750668a08a66948e3427358bdae2999f8305325277ee3c24d147c59746d59c818af8 |
ripemd-160 | e0d80cd0730184846f92823c950f89ee38bddd56 |
21944688 as geometric shapes
Circle
Radius = nDiameter | 43889376 |
---|---|
Circumference | 137882541.21224 |
Area | 1.5128946737749E+15 |
Sphere
Radius = nVolume | 4.4266668790469E+22 |
---|---|
Surface area | 6.0515786950995E+15 |
Circumference | 137882541.21224 |
Square
Length = nPerimeter | 87778752 |
---|---|
Area | 481569331417344 |
Diagonal | 31034475.391646 |
Cube
Length = nSurface area | 2889415988504064 |
---|---|
Volume | 1.0567888728322E+22 |
Space diagonal | 38009314.572247 |
Equilateral Triangle
Length = nPerimeter | 65834064 |
---|---|
Area | 2.0852563734545E+14 |
Altitude | 19004657.286124 |
Triangular Pyramid
Length = nSurface area | 2.0852563734545E+14 |
---|---|
Volume | 1.2454376304369E+21 |
Height | 10344825.130549 |