18542940 (number)
18542940 is an even 8-digits composite number following 18542939 and preceding 18542941. In scientific notation, it is written as 1.8542940 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 48 positive divisors. There are 4564224 positive integers (up to 18542940) that are relatively prime to 18542940.
Interesting facts
- 18542940 has 48 divisors, whose sum is 55916448
- The reverse of 18542940 is 04924581
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
| Name | eighteen million five hundred forty-two thousand nine hundred forty |
|---|
Notation
| Scientific notation | 1.8542940 × 10^7 |
|---|---|
| Engineering notation | 1.8542940 × 10^6 |
Prime Factorization of 18542940
Prime Factorization 2 × 2 × 5 × 3 × 13 × 23773
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 9271470 | Product of the distinct prime numbers |
The prime factorization of 18542940 is 2 × 2 × 5 × 3 × 13 × 23773. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 18542940)
Multiplication
n×y| n×2 | 37085880 |
|---|---|
| n×3 | 55628820 |
| n×4 | 74171760 |
| n×5 | 92714700 |
Division
n÷y| n÷2 | 9271470 |
|---|---|
| n÷3 | 6180980 |
| n÷3 | 4635735 |
| n÷5 | 3708588 |
Exponentiation
ny| n2 | 343840623843600 |
|---|---|
| n3 | 6.3758160574944E+21 |
| n4 | 1.1822637460516E+29 |
| n5 | 2.1922645707209E+36 |
Nth Root
y√n| 2√n | 4306.1514139658 |
|---|---|
| 3√n | 264.68309096435 |
| 4√n | 65.621272571978 |
| 5√n | 28.420762054077 |
Divisors of 18542940
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 | -18542939 | 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 18542940 can be divided by 48 positive divisors. The sum of these divisors (counting 18542940) is 1, the average is 0.020833333333333.
Base conversion 18542940
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1000110101111000101011100 |
| 3 | Ternary | 1021220002010120 |
| 4 | Quaternary | 1012233011130 |
| 5 | Quinary | 14221333230 |
| 6 | Senary | 1501234540 |
| 8 | Octal | 106570534 |
| 10 | Decimal | 18542940 |
| 12 | Duodecimal | 6262a50 |
| 16 | Hexadecimal | 11af15c |
| 20 | Vigesimal | 5fhh70 |
| 36 | Base36 | b1fto |
Cryptographic Hash Functions
| md5 | be178d4feeb6564a7dcc71e67f5d4143 |
|---|---|
| sha1 | 4a618ebfd6ecb1e58828d1d1b3c794dd19583176 |
| sha256 | ede493c1f832c112267291f66c549a156c07609322a890e236a25d814eb3aaa4 |
| sha512 | d1149013156d2b810a0afcc66d2b40ed750912c7e149176413ef5ff080028cf856098322deb23b8b68f9741391a2037d19af5596137c84b3d25acafbd1b0a593 |
| ripemd-160 | a96ad52c15e21bafbe727dc5d07f59e8c4c71cb5 |
18542940 as geometric shapes
Circle
Radius = n| Diameter | 37085880 |
|---|---|
| Circumference | 116508728.15991 |
| Area | 1.0802071778728E+15 |
Sphere
Radius = n| Volume | 2.6706955849153E+22 |
|---|---|
| Surface area | 4.3208287114911E+15 |
| Circumference | 116508728.15991 |
Square
Length = n| Perimeter | 74171760 |
|---|---|
| Area | 343840623843600 |
| Diagonal | 26223677.234271 |
Cube
Length = n| Surface area | 2063043743061600 |
|---|---|
| Volume | 6.3758160574944E+21 |
| Space diagonal | 32117314.201701 |
Equilateral Triangle
Length = n| Perimeter | 55628820 |
|---|---|
| Area | 1.4888735755082E+14 |
| Altitude | 16058657.100851 |
Triangular Pyramid
Length = n| Surface area | 1.4888735755082E+14 |
|---|---|
| Volume | 7.5139712830873E+20 |
| Height | 8741225.7447569 |