20853840 (number)
20853840 is an even 8-digits composite number following 20853839 and preceding 20853841. In scientific notation, it is written as 2.0853840 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 40 positive divisors. There are 4766208 positive integers (up to 20853840) that are relatively prime to 20853840.
Interesting facts
- 20853840 has 40 divisors, whose sum is 55416096
- The reverse of 20853840 is 04835802
- Previous prime number is 35
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
| Name | twenty million eight hundred fifty-three thousand eight hundred forty |
|---|
Notation
| Scientific notation | 2.0853840 × 10^7 |
|---|---|
| Engineering notation | 2.0853840 × 10^6 |
Prime Factorization of 20853840
Prime Factorization 2 × 2 × 2 × 2 × 3 × 35 × 12413
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2606730 | Product of the distinct prime numbers |
The prime factorization of 20853840 is 2 × 2 × 2 × 2 × 3 × 35 × 12413. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20853840)
Multiplication
n×y| n×2 | 41707680 |
|---|---|
| n×3 | 62561520 |
| n×4 | 83415360 |
| n×5 | 104269200 |
Division
n÷y| n÷2 | 10426920 |
|---|---|
| n÷3 | 6951280 |
| n÷3 | 5213460 |
| n÷5 | 4170768 |
Exponentiation
ny| n2 | 434882642745600 |
|---|---|
| n3 | 9.0689730505939E+21 |
| n4 | 1.891229129614E+29 |
| n5 | 3.9439389672309E+36 |
Nth Root
y√n| 2√n | 4566.6004861385 |
|---|---|
| 3√n | 275.25085649721 |
| 4√n | 67.576626773896 |
| 5√n | 29.096262583797 |
Divisors of 20853840
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 | -20853839 | 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 20853840 can be divided by 40 positive divisors. The sum of these divisors (counting 20853840) is 1, the average is 0.025.
Base conversion 20853840
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001111100011010001010000 |
| 3 | Ternary | 1110020111002110 |
| 4 | Quaternary | 1033203101100 |
| 5 | Quinary | 20314310330 |
| 6 | Senary | 2022545320 |
| 8 | Octal | 117432120 |
| 10 | Decimal | 20853840 |
| 12 | Duodecimal | 6b98240 |
| 16 | Hexadecimal | 13e3450 |
| 20 | Vigesimal | 6a6ec0 |
| 36 | Base36 | ceyxc |
Cryptographic Hash Functions
| md5 | 691ba42d9ac80ffb561cc292bf178b90 |
|---|---|
| sha1 | d94c7f5c23312db776fd09187910ceeeea15008a |
| sha256 | 93eb97418c635aed49184f069323e1ac666791cc7902749849d2249b54492a3d |
| sha512 | 87964300e3c92e3a964a3e08572b9381ec2ea7494c5af191d5647abe422bc5d3f5205bd9b06db972ada178472ae6b98d8486e6840eb9e29b25a7477734730eaf |
| ripemd-160 | 99aca70335dc90d2fe3faaf9c0b5965b7fbd07f9 |
20853840 as geometric shapes
Circle
Radius = n| Diameter | 41707680 |
|---|---|
| Circumference | 131028541.08627 |
| Area | 1.3662241156233E+15 |
Sphere
Radius = n| Volume | 3.7988025481799E+22 |
|---|---|
| Surface area | 5.4648964624932E+15 |
| Circumference | 131028541.08627 |
Square
Length = n| Perimeter | 83415360 |
|---|---|
| Area | 434882642745600 |
| Diagonal | 29491783.355559 |
Cube
Length = n| Surface area | 2609295856473600 |
|---|---|
| Volume | 9.0689730505939E+21 |
| Space diagonal | 36119910.412912 |
Equilateral Triangle
Length = n| Perimeter | 62561520 |
|---|---|
| Area | 1.883097081413E+14 |
| Altitude | 18059955.206456 |
Triangular Pyramid
Length = n| Surface area | 1.883097081413E+14 |
|---|---|
| Volume | 1.0687887237455E+21 |
| Height | 9830594.4518528 |