2021840 (number)
2021840 is an even 7-digits composite number following 2021839 and preceding 2021841. In scientific notation, it is written as 2.021840 × 10^6. The sum of its digits is 17. It has a total of 7 prime factors and 40 positive divisors. There are 798336 positive integers (up to 2021840) that are relatively prime to 2021840.
Interesting facts
- 2021840 has 40 divisors, whose sum is 4761600
- The reverse of 2021840 is 0481202
- Previous prime number is 127
Basic properties
- Is Prime? no
- Number parity even
- Number length 7
- Sum of Digits 17
- Digital Root 8
Name
| Name | two million twenty-one thousand eight hundred forty |
|---|
Notation
| Scientific notation | 2.021840 × 10^6 |
|---|---|
| Engineering notation | 2.021840 × 10^6 |
Prime Factorization of 2021840
Prime Factorization 2 × 2 × 2 × 2 × 5 × 127 × 199
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 252730 | Product of the distinct prime numbers |
The prime factorization of 2021840 is 2 × 2 × 2 × 2 × 5 × 127 × 199. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 2021840)
Multiplication
n×y| n×2 | 4043680 |
|---|---|
| n×3 | 6065520 |
| n×4 | 8087360 |
| n×5 | 10109200 |
Division
n÷y| n÷2 | 1010920 |
|---|---|
| n÷3 | 673946.66666667 |
| n÷3 | 505460 |
| n÷5 | 404368 |
Exponentiation
ny| n2 | 4087836985600 |
|---|---|
| n3 | 8264952330965504000 |
| n4 | 1.6710411220839E+25 |
| n5 | 3.3785777822742E+31 |
Nth Root
y√n| 2√n | 1421.9142027563 |
|---|---|
| 3√n | 126.44905696087 |
| 4√n | 37.708277642399 |
| 5√n | 18.245230605175 |
Divisors of 2021840
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 | -2021839 | 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 2021840 can be divided by 40 positive divisors. The sum of these divisors (counting 2021840) is 1, the average is 0.025.
Base conversion 2021840
| Base | System | Value |
|---|---|---|
| 2 | Binary | 111101101100111010000 |
| 3 | Ternary | 10210201102222 |
| 4 | Quaternary | 13231213100 |
| 5 | Quinary | 1004144330 |
| 6 | Senary | 111200212 |
| 8 | Octal | 7554720 |
| 10 | Decimal | 2021840 |
| 12 | Duodecimal | 816068 |
| 16 | Hexadecimal | 1ed9d0 |
| 20 | Vigesimal | ccec0 |
| 36 | Base36 | 17c28 |
Cryptographic Hash Functions
| md5 | c33c3613ef0b4eb472b8be016c22af9d |
|---|---|
| sha1 | bc9c54f0d1230a5a38f61337904b703f697f17b3 |
| sha256 | 84de2665fdeec354beaf2c9d815498d24e34496da154557b812ece4d4afee0dc |
| sha512 | 8893a23fdac477b530e0018efc666b7df7913da05dd98f47d5bb13779e81df43c5e701ffbc26dbfc188767fb0891645ee80027c8aa9b4aaea30cb8649c16c83f |
| ripemd-160 | d8ff7fd7ebd0aeef697fa9e4b52aa66018898ebf |
2021840 as geometric shapes
Circle
Radius = n| Diameter | 4043680 |
|---|---|
| Circumference | 12703595.381468 |
| Area | 12842318643034 |
Sphere
Radius = n| Volume | 3.4620151366975E+19 |
|---|---|
| Surface area | 51369274572134 |
| Circumference | 12703595.381468 |
Square
Length = n| Perimeter | 8087360 |
|---|---|
| Area | 4087836985600 |
| Diagonal | 2859313.5489484 |
Cube
Length = n| Surface area | 24527021913600 |
|---|---|
| Volume | 8264952330965504000 |
| Space diagonal | 3501929.6047751 |
Equilateral Triangle
Length = n| Perimeter | 6065520 |
|---|---|
| Area | 1770085338029.6 |
| Altitude | 1750964.8023875 |
Triangular Pyramid
Length = n| Surface area | 1770085338029.6 |
|---|---|
| Volume | 9.7403397323488E+17 |
| Height | 953104.51631614 |