28495440 (number)
28495440 is an even 8-digits composite number following 28495439 and preceding 28495441. In scientific notation, it is written as 2.8495440 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 40 positive divisors. There are 7195392 positive integers (up to 28495440) that are relatively prime to 28495440.
Interesting facts
- 28495440 has 40 divisors, whose sum is 59435680
- The reverse of 28495440 is 04459482
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
| Name | twenty-eight million four hundred ninety-five thousand four hundred forty |
|---|
Notation
| Scientific notation | 2.8495440 × 10^7 |
|---|---|
| Engineering notation | 2.8495440 × 10^6 |
Prime Factorization of 28495440
Prime Factorization 2 × 2 × 2 × 2 × 45 × 19 × 2083
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3561930 | Product of the distinct prime numbers |
The prime factorization of 28495440 is 2 × 2 × 2 × 2 × 45 × 19 × 2083. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28495440)
Multiplication
n×y| n×2 | 56990880 |
|---|---|
| n×3 | 85486320 |
| n×4 | 113981760 |
| n×5 | 142477200 |
Division
n÷y| n÷2 | 14247720 |
|---|---|
| n÷3 | 9498480 |
| n÷3 | 7123860 |
| n÷5 | 5699088 |
Exponentiation
ny| n2 | 811990100793600 |
|---|---|
| n3 | 2.3138015197758E+22 |
| n4 | 6.593279237868E+29 |
| n5 | 1.8787839292591E+37 |
Nth Root
y√n| 2√n | 5338.1120258009 |
|---|---|
| 3√n | 305.4394453729 |
| 4√n | 73.062384479299 |
| 5√n | 30.970988965389 |
Divisors of 28495440
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 | -28495439 | 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 28495440 can be divided by 40 positive divisors. The sum of these divisors (counting 28495440) is 1, the average is 0.025.
Base conversion 28495440
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101100101100111001010000 |
| 3 | Ternary | 1222121201101200 |
| 4 | Quaternary | 1230230321100 |
| 5 | Quinary | 24243323230 |
| 6 | Senary | 2454431200 |
| 8 | Octal | 154547120 |
| 10 | Decimal | 28495440 |
| 12 | Duodecimal | 9662500 |
| 16 | Hexadecimal | 1b2ce50 |
| 20 | Vigesimal | 8i1ic0 |
| 36 | Base36 | gyr80 |
Cryptographic Hash Functions
| md5 | 6fa2f212684aea0262448fab27386ad1 |
|---|---|
| sha1 | 284fb67aa9ac0530b62a6475ef93348b9fd36a48 |
| sha256 | 616af4fdee638322ff1d2ac1437107e779d55e702b8e2de59c5a3ec5ceecef06 |
| sha512 | 5d02949ae6671c9bc36c98889a791d780e1e752a1c3f99a54156e2858d2feaf3d383d71cb53714c6b4df0054abdffee07087cee6c7ae572a2f7a8c9384f5910d |
| ripemd-160 | fcb5637731ab15669c74e46359551a0f797e92f8 |
28495440 as geometric shapes
Circle
Radius = n| Diameter | 56990880 |
|---|---|
| Circumference | 179042129.92962 |
| Area | 2.5509421354408E+15 |
Sphere
Radius = n| Volume | 9.6920291418567E+22 |
|---|---|
| Surface area | 1.0203768541763E+16 |
| Circumference | 179042129.92962 |
Square
Length = n| Perimeter | 113981760 |
|---|---|
| Area | 811990100793600 |
| Diagonal | 40298637.713789 |
Cube
Length = n| Surface area | 4871940604761600 |
|---|---|
| Volume | 2.3138015197758E+22 |
| Space diagonal | 49355549.86403 |
Equilateral Triangle
Length = n| Perimeter | 85486320 |
|---|---|
| Area | 3.5160202745437E+14 |
| Altitude | 24677774.932015 |
Triangular Pyramid
Length = n| Surface area | 3.5160202745437E+14 |
|---|---|
| Volume | 2.7268412415887E+21 |
| Height | 13432879.23793 |