20187984 (number)
20187984 is an even 8-digits composite number following 20187983 and preceding 20187985. In scientific notation, it is written as 2.0187984 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 6572160 positive integers (up to 20187984) that are relatively prime to 20187984.
Interesting facts
- 20187984 has 40 divisors, whose sum is 53370592
- The reverse of 20187984 is 48978102
- Previous prime number is 43
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
| Name | twenty million one hundred eighty-seven thousand nine hundred eighty-four |
|---|
Notation
| Scientific notation | 2.0187984 × 10^7 |
|---|---|
| Engineering notation | 2.0187984 × 10^6 |
Prime Factorization of 20187984
Prime Factorization 2 × 2 × 2 × 2 × 3 × 43 × 9781
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2523498 | Product of the distinct prime numbers |
The prime factorization of 20187984 is 2 × 2 × 2 × 2 × 3 × 43 × 9781. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20187984)
Multiplication
n×y| n×2 | 40375968 |
|---|---|
| n×3 | 60563952 |
| n×4 | 80751936 |
| n×5 | 100939920 |
Division
n÷y| n÷2 | 10093992 |
|---|---|
| n÷3 | 6729328 |
| n÷3 | 5046996 |
| n÷5 | 4037596.8 |
Exponentiation
ny| n2 | 407554697984256 |
|---|---|
| n3 | 8.227707722031E+21 |
| n4 | 1.6610083184904E+29 |
| n5 | 3.3532409357551E+36 |
Nth Root
y√n| 2√n | 4493.1040495408 |
|---|---|
| 3√n | 272.28955612043 |
| 4√n | 67.030620238372 |
| 5√n | 28.908036232086 |
Divisors of 20187984
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 | -20187983 | 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 20187984 can be divided by 40 positive divisors. The sum of these divisors (counting 20187984) is 1, the average is 0.025.
Base conversion 20187984
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001101000000101101010000 |
| 3 | Ternary | 1101222122201010 |
| 4 | Quaternary | 1031000231100 |
| 5 | Quinary | 20132003414 |
| 6 | Senary | 2000410520 |
| 8 | Octal | 115005520 |
| 10 | Decimal | 20187984 |
| 12 | Duodecimal | 6916a40 |
| 16 | Hexadecimal | 1340b50 |
| 20 | Vigesimal | 6639j4 |
| 36 | Base36 | c0p5c |
Cryptographic Hash Functions
| md5 | 4bbb58f23f1c345070b876051d6d89d0 |
|---|---|
| sha1 | 33e640f4a31f997c4a056d21f99cbfc23a33d9cb |
| sha256 | 9806d8b3f47192160a50bd49cd91148aef4b9564480ec743e7b85856225be0e4 |
| sha512 | cad3227d3ec8f8adc3b68d30f8d85d5667877b6fd9ae571e7739782e8d7ec79806fe958306582699884a5930d2ed3787d12f5544be6f9236a7f10e31113c5a64 |
| ripemd-160 | b07c61597a72b54fc26efaed31ba57d7aced7247 |
20187984 as geometric shapes
Circle
Radius = n| Diameter | 40375968 |
|---|---|
| Circumference | 126844844.45038 |
| Area | 1.2803708451233E+15 |
Sphere
Radius = n| Volume | 3.4464141513889E+22 |
|---|---|
| Surface area | 5.1214833804934E+15 |
| Circumference | 126844844.45038 |
Square
Length = n| Perimeter | 80751936 |
|---|---|
| Area | 407554697984256 |
| Diagonal | 28550120.769771 |
Cube
Length = n| Surface area | 2445328187905536 |
|---|---|
| Volume | 8.227707722031E+21 |
| Space diagonal | 34966613.990388 |
Equilateral Triangle
Length = n| Perimeter | 60563952 |
|---|---|
| Area | 1.7647636094303E+14 |
| Altitude | 17483306.995194 |
Triangular Pyramid
Length = n| Surface area | 1.7647636094303E+14 |
|---|---|
| Volume | 9.6964465397817E+20 |
| Height | 9516706.923257 |