20554989 (number)
20554989 is an odd 8-digits composite number following 20554988 and preceding 20554990. In scientific notation, it is written as 2.0554989 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 64 positive divisors. There are 9870336 positive integers (up to 20554989) that are relatively prime to 20554989.
Interesting facts
- 20554989 has 64 divisors, whose sum is 36900864
- The reverse of 20554989 is 98945502
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
| Name | twenty million five hundred fifty-four thousand nine hundred eighty-nine |
|---|
Notation
| Scientific notation | 2.0554989 × 10^7 |
|---|---|
| Engineering notation | 2.0554989 × 10^6 |
Prime Factorization of 20554989
Prime Factorization 3 × 13 × 7 × 43 × 17 × 103
Composite number| ω | Distinct Factors | 6 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 20554989 | Product of the distinct prime numbers |
The prime factorization of 20554989 is 3 × 13 × 7 × 43 × 17 × 103. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20554989)
Multiplication
n×y| n×2 | 41109978 |
|---|---|
| n×3 | 61664967 |
| n×4 | 82219956 |
| n×5 | 102774945 |
Division
n÷y| n÷2 | 10277494.5 |
|---|---|
| n÷3 | 6851663 |
| n÷3 | 5138747.25 |
| n÷5 | 4110997.8 |
Exponentiation
ny| n2 | 422507572790121 |
|---|---|
| n3 | 8.6846385111176E+21 |
| n4 | 1.78512649065E+29 |
| n5 | 3.6693255378919E+36 |
Nth Root
y√n| 2√n | 4533.761021492 |
|---|---|
| 3√n | 273.92967541828 |
| 4√n | 67.333208905354 |
| 5√n | 29.012386185123 |
Divisors of 20554989
64 divisors
| τ | Total Divisors | 64 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -20554988 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20554989 can be divided by 64 positive divisors. The sum of these divisors (counting 20554989) is 1, the average is 0.015625.
Base conversion 20554989
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001110011010010011101101 |
| 3 | Ternary | 1102200022010220 |
| 4 | Quaternary | 1032122103231 |
| 5 | Quinary | 20230224424 |
| 6 | Senary | 2012321553 |
| 8 | Octal | 116322355 |
| 10 | Decimal | 20554989 |
| 12 | Duodecimal | 6a732b9 |
| 16 | Hexadecimal | 139a4ed |
| 20 | Vigesimal | 689799 |
| 36 | Base36 | c8kbx |
Cryptographic Hash Functions
| md5 | c6356bb81691efbe9cec8b3cc3a76bdd |
|---|---|
| sha1 | 5f8900c6e2ef48d5e3dd4ee889daac30ed373064 |
| sha256 | 13caec12bbb78802fad93b6e8f36e608e5c901f2861e381c171332f1550e6586 |
| sha512 | 8095ed882bc5b870e3be0f05512b911a0cac827378d14b60bf6084a40755762f190e2e7d9d7d28a2177874e2cd75a3eda47b35be7daa00da7300bf0ad6f6d637 |
| ripemd-160 | 236939e9cd858b981d301bbd0ab269062af80830 |
20554989 as geometric shapes
Circle
Radius = n| Diameter | 41109978 |
|---|---|
| Circumference | 129150804.87404 |
| Area | 1.3273466867635E+15 |
Sphere
Radius = n| Volume | 3.637812872748E+22 |
|---|---|
| Surface area | 5.309386747054E+15 |
| Circumference | 129150804.87404 |
Square
Length = n| Perimeter | 82219956 |
|---|---|
| Area | 422507572790121 |
| Diagonal | 29069144.21823 |
Cube
Length = n| Surface area | 2535045436740726 |
|---|---|
| Volume | 8.6846385111176E+21 |
| Space diagonal | 35602285.297019 |
Equilateral Triangle
Length = n| Perimeter | 61664967 |
|---|---|
| Area | 1.8295114566377E+14 |
| Altitude | 17801142.64851 |
Triangular Pyramid
Length = n| Surface area | 1.8295114566377E+14 |
|---|---|
| Volume | 1.0234944638942E+21 |
| Height | 9689714.7394099 |