20145684 (number)
20145684 is an even 8-digits composite number following 20145683 and preceding 20145685. In scientific notation, it is written as 2.0145684 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 48 positive divisors. There are 6124800 positive integers (up to 20145684) that are relatively prime to 20145684.
Interesting facts
- 20145684 has 48 divisors, whose sum is 51226560
- The reverse of 20145684 is 48654102
- Previous prime number is 89
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
| Name | twenty million one hundred forty-five thousand six hundred eighty-four |
|---|
Notation
| Scientific notation | 2.0145684 × 10^7 |
|---|---|
| Engineering notation | 2.0145684 × 10^6 |
Prime Factorization of 20145684
Prime Factorization 2 × 2 × 3 × 13 × 89 × 1451
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 10072842 | Product of the distinct prime numbers |
The prime factorization of 20145684 is 2 × 2 × 3 × 13 × 89 × 1451. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20145684)
Multiplication
n×y| n×2 | 40291368 |
|---|---|
| n×3 | 60437052 |
| n×4 | 80582736 |
| n×5 | 100728420 |
Division
n÷y| n÷2 | 10072842 |
|---|---|
| n÷3 | 6715228 |
| n÷3 | 5036421 |
| n÷5 | 4029136.8 |
Exponentiation
ny| n2 | 405848583827856 |
|---|---|
| n3 | 8.1760973216435E+21 |
| n4 | 1.6471307299508E+29 |
| n5 | 3.3182575192277E+36 |
Nth Root
y√n| 2√n | 4488.3943676999 |
|---|---|
| 3√n | 272.09924651064 |
| 4√n | 66.995480203517 |
| 5√n | 28.895911830885 |
Divisors of 20145684
48 divisors
| τ | Total Divisors | 48 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -20145683 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20145684 can be divided by 48 positive divisors. The sum of these divisors (counting 20145684) is 1, the average is 0.020833333333333.
Base conversion 20145684
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001100110110011000010100 |
| 3 | Ternary | 1101220111200110 |
| 4 | Quaternary | 1030312120110 |
| 5 | Quinary | 20124130214 |
| 6 | Senary | 1555443020 |
| 8 | Octal | 114663024 |
| 10 | Decimal | 20145684 |
| 12 | Duodecimal | 68b6470 |
| 16 | Hexadecimal | 1336614 |
| 20 | Vigesimal | 65i444 |
| 36 | Base36 | bzsic |
Cryptographic Hash Functions
| md5 | a6f9b49be5c0ba5ea17be1aca70a688f |
|---|---|
| sha1 | b52314d048022f6d966b57512cd0686c228f720c |
| sha256 | 8a838c91b039f1f63e52edbcb46f3b8e880a29978166c64eb6c3c8c93f239146 |
| sha512 | d72bf3d718134b2bcae725f5743f2a0fcb131269ce70518fdb4de66955701f58ea1b9c5b57dc0a12b225d663662ca72165ff42b4996780980b240ec29f35eb1d |
| ripemd-160 | 6e81801eb24cc8052786b9361602e7f15b5db054 |
20145684 as geometric shapes
Circle
Radius = n| Diameter | 40291368 |
|---|---|
| Circumference | 126579065.71188 |
| Area | 1.2750109294234E+15 |
Sphere
Radius = n| Volume | 3.4247956374281E+22 |
|---|---|
| Surface area | 5.1000437176937E+15 |
| Circumference | 126579065.71188 |
Square
Length = n| Perimeter | 80582736 |
|---|---|
| Area | 405848583827856 |
| Diagonal | 28490299.536083 |
Cube
Length = n| Surface area | 2435091502967136 |
|---|---|
| Volume | 8.1760973216435E+21 |
| Space diagonal | 34893348.241227 |
Equilateral Triangle
Length = n| Perimeter | 60437052 |
|---|---|
| Area | 1.7573759184243E+14 |
| Altitude | 17446674.120614 |
Triangular Pyramid
Length = n| Surface area | 1.7573759184243E+14 |
|---|---|
| Volume | 9.6356230996255E+20 |
| Height | 9496766.5120276 |