51491856 (number)
51491856 is an even 8-digits composite number following 51491855 and preceding 51491857. In scientific notation, it is written as 5.1491856 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 15720960 positive integers (up to 51491856) that are relatively prime to 51491856.
Interesting facts
- 51491856 has 40 divisors, whose sum is 103118400
- The reverse of 51491856 is 65819415
- Previous prime number is 179
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
| Name | fifty-one million four hundred ninety-one thousand eight hundred fifty-six |
|---|
Notation
| Scientific notation | 5.1491856 × 10^7 |
|---|---|
| Engineering notation | 5.1491856 × 10^6 |
Prime Factorization of 51491856
Prime Factorization 2 × 2 × 2 × 2 × 39 × 179 × 461
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 6436482 | Product of the distinct prime numbers |
The prime factorization of 51491856 is 2 × 2 × 2 × 2 × 39 × 179 × 461. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 51491856)
Multiplication
n×y| n×2 | 102983712 |
|---|---|
| n×3 | 154475568 |
| n×4 | 205967424 |
| n×5 | 257459280 |
Division
n÷y| n÷2 | 25745928 |
|---|---|
| n÷3 | 17163952 |
| n÷3 | 12872964 |
| n÷5 | 10298371.2 |
Exponentiation
ny| n2 | 2651411234324736 |
|---|---|
| n3 | 1.3652608547463E+23 |
| n4 | 7.0299815335034E+30 |
| n5 | 3.6198679680582E+38 |
Nth Root
y√n| 2√n | 7175.7826054027 |
|---|---|
| 3√n | 372.03133046331 |
| 4√n | 84.709991178153 |
| 5√n | 34.861631602945 |
Divisors of 51491856
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 | -51491855 | 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 51491856 can be divided by 40 positive divisors. The sum of these divisors (counting 51491856) is 1, the average is 0.025.
Base conversion 51491856
| Base | System | Value |
|---|---|---|
| 2 | Binary | 11000100011011010000010000 |
| 3 | Ternary | 10120220001112210 |
| 4 | Quaternary | 3010123100100 |
| 5 | Quinary | 101140214411 |
| 6 | Senary | 5035352120 |
| 8 | Octal | 304332020 |
| 10 | Decimal | 51491856 |
| 12 | Duodecimal | 152b2640 |
| 16 | Hexadecimal | 311b410 |
| 20 | Vigesimal | g1g9cg |
| 36 | Base36 | unndc |
Cryptographic Hash Functions
| md5 | 9a7a2534aecb2e65c0d7e3ec1d9cf7fa |
|---|---|
| sha1 | a8a6bb709ee3fbdacb672bcf1461e739fca235bc |
| sha256 | 2f6ab8f653144381d36c6e42af4bd23d08af560020941d7ab057bef63b04d8e2 |
| sha512 | 31ec2fd2464b4837179686ab9dc3700bb0a59d219f3659c531e4b1647012419b96adb911f6eac0a1a3643e53082abd5d4afc35cac3be18e5bad6f7503b258ba3 |
| ripemd-160 | 90730ea738a4d5f66881cb134b0aa18147f9f0fc |
51491856 as geometric shapes
Circle
Radius = n| Diameter | 102983712 |
|---|---|
| Circumference | 323532873.05861 |
| Area | 8.3296540554E+15 |
Sphere
Radius = n| Volume | 5.7187912953397E+23 |
|---|---|
| Surface area | 3.33186162216E+16 |
| Circumference | 323532873.05861 |
Square
Length = n| Perimeter | 205967424 |
|---|---|
| Area | 2651411234324736 |
| Diagonal | 72820481.106962 |
Cube
Length = n| Surface area | 15908467405948416 |
|---|---|
| Volume | 1.3652608547463E+23 |
| Space diagonal | 89186510.76802 |
Equilateral Triangle
Length = n| Perimeter | 154475568 |
|---|---|
| Area | 1.1480947424023E+15 |
| Altitude | 44593255.38401 |
Triangular Pyramid
Length = n| Surface area | 1.1480947424023E+15 |
|---|---|
| Volume | 1.6089753474661E+22 |
| Height | 24273493.702321 |