21969904 (number)
21969904 is an even 8-digits composite number following 21969903 and preceding 21969905. In scientific notation, it is written as 2.1969904 × 10^7. The sum of its digits is 40. It has a total of 7 prime factors and 40 positive divisors. There are 9750720 positive integers (up to 21969904) that are relatively prime to 21969904.
Interesting facts
- 21969904 has 40 divisors, whose sum is 47532672
- The reverse of 21969904 is 40996912
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 40
- Digital Root 4
Name
| Name | twenty-one million nine hundred sixty-nine thousand nine hundred four |
|---|
Notation
| Scientific notation | 2.1969904 × 10^7 |
|---|---|
| Engineering notation | 2.1969904 × 10^6 |
Prime Factorization of 21969904
Prime Factorization 2 × 2 × 2 × 2 × 43 × 11 × 2903
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2746238 | Product of the distinct prime numbers |
The prime factorization of 21969904 is 2 × 2 × 2 × 2 × 43 × 11 × 2903. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21969904)
Multiplication
n×y| n×2 | 43939808 |
|---|---|
| n×3 | 65909712 |
| n×4 | 87879616 |
| n×5 | 109849520 |
Division
n÷y| n÷2 | 10984952 |
|---|---|
| n÷3 | 7323301.3333333 |
| n÷3 | 5492476 |
| n÷5 | 4393980.8 |
Exponentiation
ny| n2 | 482676681769216 |
|---|---|
| n3 | 1.0604360361508E+22 |
| n4 | 2.3297677912374E+29 |
| n5 | 5.1184774715778E+36 |
Nth Root
y√n| 2√n | 4687.206417473 |
|---|---|
| 3√n | 280.07610176325 |
| 4√n | 68.46317563094 |
| 5√n | 29.40123895994 |
Divisors of 21969904
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 | -21969903 | 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 21969904 can be divided by 40 positive divisors. The sum of these divisors (counting 21969904) is 1, the average is 0.025.
Base conversion 21969904
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010011110011101111110000 |
| 3 | Ternary | 1112100012001011 |
| 4 | Quaternary | 1103303233300 |
| 5 | Quinary | 21111014104 |
| 6 | Senary | 2102520304 |
| 8 | Octal | 123635760 |
| 10 | Decimal | 21969904 |
| 12 | Duodecimal | 7436094 |
| 16 | Hexadecimal | 14f3bf0 |
| 20 | Vigesimal | 6h64f4 |
| 36 | Base36 | d2w34 |
Cryptographic Hash Functions
| md5 | 18fce50e1251ac61a4fac802f6951090 |
|---|---|
| sha1 | bd284bbc18e3ec989517607866353796deaf0241 |
| sha256 | 9dd9594d518dcce05a113a73c49e5c33f938abd4d38a2020cf7b725dedb3b979 |
| sha512 | 2b8c987e9b64dd6d10b4f964f08883c9a8eca2332e29d77977e25be753ad0afc9caadd1c559d53db45a784726873c0e96a5b4e59483c7154b0f1ba3945b3e60d |
| ripemd-160 | 7b9d384acc41ebc6a054f205048ddf5b26d38333 |
21969904 as geometric shapes
Circle
Radius = n| Diameter | 43939808 |
|---|---|
| Circumference | 138040978.01295 |
| Area | 1.5163735175053E+15 |
Sphere
Radius = n| Volume | 4.4419440810311E+22 |
|---|---|
| Surface area | 6.0654940700211E+15 |
| Circumference | 138040978.01295 |
Square
Length = n| Perimeter | 87879616 |
|---|---|
| Area | 482676681769216 |
| Diagonal | 31070136.200835 |
Cube
Length = n| Surface area | 2896060090615296 |
|---|---|
| Volume | 1.0604360361508E+22 |
| Space diagonal | 38052989.965411 |
Equilateral Triangle
Length = n| Perimeter | 65909712 |
|---|---|
| Area | 2.0900513411326E+14 |
| Altitude | 19026494.982705 |
Triangular Pyramid
Length = n| Surface area | 2.0900513411326E+14 |
|---|---|
| Volume | 1.249735853628E+21 |
| Height | 10356712.066945 |