21939984 (number)
21939984 is an even 8-digits composite number following 21939983 and preceding 21939985. In scientific notation, it is written as 2.1939984 × 10^7. The sum of its digits is 45. It has a total of 10 prime factors and 120 positive divisors. There are 6298560 positive integers (up to 21939984) that are relatively prime to 21939984.
Interesting facts
- 21939984 has 120 divisors, whose sum is 65447200
- The reverse of 21939984 is 48993912
- Previous prime number is 9
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 45
- Digital Root 9
Name
Name | twenty-one million nine hundred thirty-nine thousand nine hundred eighty-four |
---|
Notation
Scientific notation | 2.1939984 × 10^7 |
---|---|
Engineering notation | 2.1939984 × 10^6 |
Prime Factorization of 21939984
Prime Factorization 2 × 2 × 2 × 2 × 3 × 3 × 99 × 57 × 9 × 3
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 304722 | Product of the distinct prime numbers |
The prime factorization of 21939984 is 2 × 2 × 2 × 2 × 3 × 3 × 99 × 57 × 9 × 3. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21939984)
Multiplication
n×yn×2 | 43879968 |
---|---|
n×3 | 65819952 |
n×4 | 87759936 |
n×5 | 109699920 |
Division
n÷yn÷2 | 10969992 |
---|---|
n÷3 | 7313328 |
n÷3 | 5484996 |
n÷5 | 4387996.8 |
Exponentiation
nyn2 | 481362897920256 |
---|---|
n3 | 1.0561094278564E+22 |
n4 | 2.3171023949419E+29 |
n5 | 5.0837189471386E+36 |
Nth Root
y√n2√n | 4684.0136635155 |
---|---|
3√n | 279.94890224026 |
4√n | 68.439854350484 |
5√n | 29.393226501935 |
Divisors of 21939984
120 divisors
τ | Total Divisors | 120 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21939983 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0083333333333333 | 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 | 120 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21939984 can be divided by 120 positive divisors. The sum of these divisors (counting 21939984) is 1, the average is 0.0083333333333333.
Base conversion 21939984
Base | System | Value |
---|---|---|
2 | Binary | 1010011101100011100010000 |
3 | Ternary | 1112021200000000 |
4 | Quaternary | 1103230130100 |
5 | Quinary | 21104034414 |
6 | Senary | 2102130000 |
8 | Octal | 123543420 |
10 | Decimal | 21939984 |
12 | Duodecimal | 7420900 |
16 | Hexadecimal | 14ec710 |
20 | Vigesimal | 6h29j4 |
36 | Base36 | d2900 |
Cryptographic Hash Functions
md5 | 4cef7eba54d79cc4501fd6cd62f07463 |
---|---|
sha1 | b5706b5dae0d5daf3adea22ec65c2ca4d6e61ee0 |
sha256 | 17b888c03fb436c84b5feb1e79fbd93ae3c8cd9d2ad2f4e3f77b33ee514df63b |
sha512 | 99b341b5bc5772a8c72f43ee4e335e4aa06892c4cc458799d2ad3bc980e9222ca1f09c43b0b117cbf5948b29459077bc946f889ebb249c2c9c10e54df51f9052 |
ripemd-160 | 6f375ea956063353a1ba9ac2d3918c34829cc30c |
21939984 as geometric shapes
Circle
Radius = nDiameter | 43879968 |
---|---|
Circumference | 137852985.10856 |
Area | 1.512246143817E+15 |
Sphere
Radius = nVolume | 4.4238208265875E+22 |
---|---|
Surface area | 6.0489845752679E+15 |
Circumference | 137852985.10856 |
Square
Length = nPerimeter | 87759936 |
---|---|
Area | 481362897920256 |
Diagonal | 31027822.931049 |
Cube
Length = nSurface area | 2888177387521536 |
---|---|
Volume | 1.0561094278564E+22 |
Space diagonal | 38001167.005248 |
Equilateral Triangle
Length = nPerimeter | 65819952 |
---|---|
Area | 2.0843624901912E+14 |
Altitude | 19000583.502624 |
Triangular Pyramid
Length = nSurface area | 2.0843624901912E+14 |
---|---|
Volume | 1.2446368968538E+21 |
Height | 10342607.643683 |