20791890 (number)
20791890 is an even 8-digits composite number following 20791889 and preceding 20791891. In scientific notation, it is written as 2.0791890 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 96 positive divisors. There are 4478976 positive integers (up to 20791890) that are relatively prime to 20791890.
Interesting facts
- 20791890 has 96 divisors, whose sum is 58106880
- The reverse of 20791890 is 09819702
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
Name | twenty million seven hundred ninety-one thousand eight hundred ninety |
---|
Notation
Scientific notation | 2.0791890 × 10^7 |
---|---|
Engineering notation | 2.0791890 × 10^6 |
Prime Factorization of 20791890
Prime Factorization 2 × 63 × 5 × 3 × 3 × 19 × 193
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 6930630 | Product of the distinct prime numbers |
The prime factorization of 20791890 is 2 × 63 × 5 × 3 × 3 × 19 × 193. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20791890)
Multiplication
n×yn×2 | 41583780 |
---|---|
n×3 | 62375670 |
n×4 | 83167560 |
n×5 | 103959450 |
Division
n÷yn÷2 | 10395945 |
---|---|
n÷3 | 6930630 |
n÷3 | 5197972.5 |
n÷5 | 4158378 |
Exponentiation
nyn2 | 432302689772100 |
---|---|
n3 | 8.9883899724456E+21 |
n4 | 1.8688561558419E+29 |
n5 | 3.8857051618088E+36 |
Nth Root
y√n2√n | 4559.812496145 |
---|---|
3√n | 274.97802579238 |
4√n | 67.526383704038 |
5√n | 29.07895489211 |
Divisors of 20791890
96 divisors
τ | Total Divisors | 96 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20791889 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.010416666666667 | 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 | 96 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20791890 can be divided by 96 positive divisors. The sum of these divisors (counting 20791890) is 1, the average is 0.010416666666667.
Base conversion 20791890
Base | System | Value |
---|---|---|
2 | Binary | 1001111010100001001010010 |
3 | Ternary | 1110010100010000 |
4 | Quaternary | 1033110021102 |
5 | Quinary | 20310320030 |
6 | Senary | 2021350430 |
8 | Octal | 117241122 |
10 | Decimal | 20791890 |
12 | Duodecimal | 6b68416 |
16 | Hexadecimal | 13d4252 |
20 | Vigesimal | 69ijea |
36 | Base36 | cdn4i |
Cryptographic Hash Functions
md5 | 88bf93098b7156d015303df9be0c9ece |
---|---|
sha1 | 13dfd8e24b415a4576b8690271dfab7ff6373ce1 |
sha256 | 79f8d84676c63b47edb6845a7e6f0c732fc8216695713d5d0d4c35a5bf610219 |
sha512 | 067cf55f6edc5a90b38d60459d6775ce6f1b682309b020a3339aaba783a77e3e87138567a40fc44cbdc28bf4a672c9928e852950121e91e600bfbc682ecfdab1 |
ripemd-160 | 0bc4c9c579e9d71fd146b68ed7d85e5b6a04a3a7 |
20791890 as geometric shapes
Circle
Radius = nDiameter | 41583780 |
---|---|
Circumference | 130639297.75649 |
Area | 1.3581189543151E+15 |
Sphere
Radius = nVolume | 3.765047987338E+22 |
---|---|
Surface area | 5.4324758172605E+15 |
Circumference | 130639297.75649 |
Square
Length = nPerimeter | 83167560 |
---|---|
Area | 432302689772100 |
Diagonal | 29404172.82537 |
Cube
Length = nSurface area | 2593816138632600 |
---|---|
Volume | 8.9883899724456E+21 |
Space diagonal | 36012609.865383 |
Equilateral Triangle
Length = nPerimeter | 62375670 |
---|---|
Area | 1.8719255573349E+14 |
Altitude | 18006304.932692 |
Triangular Pyramid
Length = nSurface area | 1.8719255573349E+14 |
---|---|
Volume | 1.0592919169109E+21 |
Height | 9801390.9417898 |