21084894 (number)
21084894 is an even 8-digits composite number following 21084893 and preceding 21084895. In scientific notation, it is written as 2.1084894 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 64 positive divisors. There are 6687360 positive integers (up to 21084894) that are relatively prime to 21084894.
Interesting facts
- 21084894 has 64 divisors, whose sum is 49193280
- The reverse of 21084894 is 49848012
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
Name | twenty-one million eighty-four thousand eight hundred ninety-four |
---|
Notation
Scientific notation | 2.1084894 × 10^7 |
---|---|
Engineering notation | 2.1084894 × 10^6 |
Prime Factorization of 21084894
Prime Factorization 2 × 9 × 3 × 37 × 61 × 173
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 21084894 | Product of the distinct prime numbers |
The prime factorization of 21084894 is 2 × 9 × 3 × 37 × 61 × 173. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21084894)
Multiplication
n×yn×2 | 42169788 |
---|---|
n×3 | 63254682 |
n×4 | 84339576 |
n×5 | 105424470 |
Division
n÷yn÷2 | 10542447 |
---|---|
n÷3 | 7028298 |
n÷3 | 5271223.5 |
n÷5 | 4216978.8 |
Exponentiation
nyn2 | 444572754991236 |
---|---|
n3 | 9.3737694142782E+21 |
n4 | 1.976449344805E+29 |
n5 | 4.1673224931582E+36 |
Nth Root
y√n2√n | 4591.8290473405 |
---|---|
3√n | 276.26368939076 |
4√n | 67.763035995596 |
5√n | 29.160454212396 |
Divisors of 21084894
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 | -21084893 | 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 21084894 can be divided by 64 positive divisors. The sum of these divisors (counting 21084894) is 1, the average is 0.015625.
Base conversion 21084894
Base | System | Value |
---|---|---|
2 | Binary | 1010000011011101011011110 |
3 | Ternary | 1110200020001000 |
4 | Quaternary | 1100123223132 |
5 | Quinary | 20344204034 |
6 | Senary | 2031531130 |
8 | Octal | 120335336 |
10 | Decimal | 21084894 |
12 | Duodecimal | 7089aa6 |
16 | Hexadecimal | 141bade |
20 | Vigesimal | 6bfc4e |
36 | Base36 | cjx7i |
Cryptographic Hash Functions
md5 | 6e441d13d4da75723b9c0a1d11016ebe |
---|---|
sha1 | 3658e26f8c53f330c0720168efa8c369aca5126d |
sha256 | b57c2400ad633316d7fdf7f0ceb12bbce638c080b841cde502b921bfba760802 |
sha512 | fb9bef7bab0353e4b39d958c8bd793c5f6f4b79707e064f220ef3d2b4a6af799b8933a4cdb0f9134d505fc19334ce1f17b479b130fa48a2f06000c0aab7d0125 |
ripemd-160 | d36630225286abf8280ba41dbe5b6c8cf81ae774 |
21084894 as geometric shapes
Circle
Radius = nDiameter | 42169788 |
---|---|
Circumference | 132480296.18424 |
Area | 1.3966665010666E+15 |
Sphere
Radius = nVolume | 3.9264753504455E+22 |
---|---|
Surface area | 5.5866660042666E+15 |
Circumference | 132480296.18424 |
Square
Length = nPerimeter | 84339576 |
---|---|
Area | 444572754991236 |
Diagonal | 29818543.055999 |
Cube
Length = nSurface area | 2667436529947416 |
---|---|
Volume | 9.3737694142782E+21 |
Space diagonal | 36520107.680204 |
Equilateral Triangle
Length = nPerimeter | 63254682 |
---|---|
Area | 1.9250564982642E+14 |
Altitude | 18260053.840102 |
Triangular Pyramid
Length = nSurface area | 1.9250564982642E+14 |
---|---|
Volume | 1.1047093196859E+21 |
Height | 9939514.3519997 |