51491930 (number)
51491930 is an even 8-digits composite number following 51491929 and preceding 51491931. In scientific notation, it is written as 5.1491930 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 64 positive divisors. There are 16761600 positive integers (up to 51491930) that are relatively prime to 51491930.
Interesting facts
- 51491930 has 64 divisors, whose sum is 111421440
- The reverse of 51491930 is 03919415
- Previous prime number is 31
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 32
- Digital Root 5
Name
Name | fifty-one million four hundred ninety-one thousand nine hundred thirty |
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Notation
Scientific notation | 5.1491930 × 10^7 |
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Engineering notation | 5.1491930 × 10^6 |
Prime Factorization of 51491930
Prime Factorization 2 × 7 × 5 × 61 × 31 × 389
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 51491930 | Product of the distinct prime numbers |
The prime factorization of 51491930 is 2 × 7 × 5 × 61 × 31 × 389. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 51491930)
Multiplication
n×yn×2 | 102983860 |
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n×3 | 154475790 |
n×4 | 205967720 |
n×5 | 257459650 |
Division
n÷yn÷2 | 25745965 |
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n÷3 | 17163976.666667 |
n÷3 | 12872982.5 |
n÷5 | 10298386 |
Exponentiation
nyn2 | 2651418855124900 |
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n3 | 1.3652667408877E+23 |
n4 | 7.0300219453118E+30 |
n5 | 3.6198939790646E+38 |
Nth Root
y√n2√n | 7175.7877616329 |
---|---|
3√n | 372.03150868118 |
4√n | 84.710021612752 |
5√n | 34.861641623012 |
Divisors of 51491930
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -51491929 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 51491930 can be divided by 64 positive divisors. The sum of these divisors (counting 51491930) is 1, the average is 0.015625.
Base conversion 51491930
Base | System | Value |
---|---|---|
2 | Binary | 11000100011011010001011010 |
3 | Ternary | 10120220001122112 |
4 | Quaternary | 3010123101122 |
5 | Quinary | 101140220210 |
6 | Senary | 5035352322 |
8 | Octal | 304332132 |
10 | Decimal | 51491930 |
12 | Duodecimal | 152b26a2 |
16 | Hexadecimal | 311b45a |
20 | Vigesimal | g1g9ga |
36 | Base36 | unnfe |
Cryptographic Hash Functions
md5 | eb1716af218f7a2a92344cd1d5bc11b4 |
---|---|
sha1 | e0be7bd1165515a9a72c37091d317e4a203117c8 |
sha256 | 57ae92867192bdd50fe2fe9e1733bbd35b26f87474973edb3c68bfcba8d6b67d |
sha512 | 5af7d03a275a86c8014c5c9a2e3edd9b2b23431f06e77f3dedeb7ffd40d04f9c7c88d18012d06fd3abeed750e3731585d56ddc01b74ccb9e9008202d2c9f4aab |
ripemd-160 | 9ded6c8fb303e17999dc68ac847995f2dfab6a6d |
51491930 as geometric shapes
Circle
Radius = nDiameter | 102983860 |
---|---|
Circumference | 323533338.01432 |
Area | 8.3296779968498E+15 |
Sphere
Radius = nVolume | 5.7188159511511E+23 |
---|---|
Surface area | 3.3318711987399E+16 |
Circumference | 323533338.01432 |
Square
Length = nPerimeter | 205967720 |
---|---|
Area | 2651418855124900 |
Diagonal | 72820585.758766 |
Cube
Length = nSurface area | 15908513130749400 |
---|---|
Volume | 1.3652667408877E+23 |
Space diagonal | 89186638.93978 |
Equilateral Triangle
Length = nPerimeter | 154475790 |
---|---|
Area | 1.1480980423056E+15 |
Altitude | 44593319.46989 |
Triangular Pyramid
Length = nSurface area | 1.1480980423056E+15 |
---|---|
Volume | 1.6089822843503E+22 |
Height | 24273528.586255 |