20949968 (number)
20949968 is an even 8-digits composite number following 20949967 and preceding 20949969. In scientific notation, it is written as 2.0949968 × 10^7. The sum of its digits is 47. It has a total of 7 prime factors and 40 positive divisors. There are 9459072 positive integers (up to 20949968) that are relatively prime to 20949968.
Interesting facts
- 20949968 has 40 divisors, whose sum is 44663808
- The reverse of 20949968 is 86994902
- Previous prime number is 47
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 47
- Digital Root 2
Name
| Name | twenty million nine hundred forty-nine thousand nine hundred sixty-eight |
|---|
Notation
| Scientific notation | 2.0949968 × 10^7 |
|---|---|
| Engineering notation | 2.0949968 × 10^6 |
Prime Factorization of 20949968
Prime Factorization 2 × 2 × 2 × 2 × 13 × 47 × 2143
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2618746 | Product of the distinct prime numbers |
The prime factorization of 20949968 is 2 × 2 × 2 × 2 × 13 × 47 × 2143. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20949968)
Multiplication
n×y| n×2 | 41899936 |
|---|---|
| n×3 | 62849904 |
| n×4 | 83799872 |
| n×5 | 104749840 |
Division
n÷y| n÷2 | 10474984 |
|---|---|
| n÷3 | 6983322.6666667 |
| n÷3 | 5237492 |
| n÷5 | 4189993.6 |
Exponentiation
ny| n2 | 438901159201024 |
|---|---|
| n3 | 9.1949652404244E+21 |
| n4 | 1.92634227548E+29 |
| n5 | 4.0356809028354E+36 |
Nth Root
y√n| 2√n | 4577.1135008868 |
|---|---|
| 3√n | 275.67314103332 |
| 4√n | 67.654367936496 |
| 5√n | 29.123037725285 |
Divisors of 20949968
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 | -20949967 | 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 20949968 can be divided by 40 positive divisors. The sum of these divisors (counting 20949968) is 1, the average is 0.025.
Base conversion 20949968
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001111111010101111010000 |
| 3 | Ternary | 1110102100221202 |
| 4 | Quaternary | 1033322233100 |
| 5 | Quinary | 20330344333 |
| 6 | Senary | 2025010332 |
| 8 | Octal | 117725720 |
| 10 | Decimal | 20949968 |
| 12 | Duodecimal | 70239a8 |
| 16 | Hexadecimal | 13fabd0 |
| 20 | Vigesimal | 6aiei8 |
| 36 | Base36 | ch13k |
Cryptographic Hash Functions
| md5 | 0eb74fdbb0d9d2c9e452395e3d1801f4 |
|---|---|
| sha1 | d4ccdbd7d3041cd9676c70003e8cc380f42dd0cb |
| sha256 | ead0e09246dfcf1f3c5cd1baab5424d5936e84223f59d409c6fc920978b329c1 |
| sha512 | 8d7b7af8c71d8cf219f7f63bbbea6683adcc324b6ca32ed75d52fcd6f889c35757654e1cd79de2164be1fe53c1391fe8095d73239df24f2f8fa8e5e98f174715 |
| ripemd-160 | 9a345ca8aaf90a185279a397bfe16e1559981872 |
20949968 as geometric shapes
Circle
Radius = n| Diameter | 41899936 |
|---|---|
| Circumference | 131632531.12348 |
| Area | 1.378848657398E+15 |
Sphere
Radius = n| Volume | 3.8515780332441E+22 |
|---|---|
| Surface area | 5.5153946295919E+15 |
| Circumference | 131632531.12348 |
Square
Length = n| Perimeter | 83799872 |
|---|---|
| Area | 438901159201024 |
| Diagonal | 29627728.876882 |
Cube
Length = n| Surface area | 2633406955206144 |
|---|---|
| Volume | 9.1949652404244E+21 |
| Space diagonal | 36286408.992942 |
Equilateral Triangle
Length = n| Perimeter | 62849904 |
|---|---|
| Area | 1.9004977680926E+14 |
| Altitude | 18143204.496471 |
Triangular Pyramid
Length = n| Surface area | 1.9004977680926E+14 |
|---|---|
| Volume | 1.0836370457131E+21 |
| Height | 9875909.6256274 |