51291280 (number)
51291280 is an even 8-digits composite number following 51291279 and preceding 51291281. In scientific notation, it is written as 5.1291280 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 40 positive divisors. There are 20127744 positive integers (up to 51291280) that are relatively prime to 51291280.
Interesting facts
- 51291280 has 40 divisors, whose sum is 121512312
- The reverse of 51291280 is 08219215
- Previous prime number is 53
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 28
- Digital Root 1
Name
Name | fifty-one million two hundred ninety-one thousand two hundred eighty |
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Notation
Scientific notation | 5.1291280 × 10^7 |
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Engineering notation | 5.1291280 × 10^6 |
Prime Factorization of 51291280
Prime Factorization 2 × 2 × 2 × 2 × 5 × 53 × 12097
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 6411410 | Product of the distinct prime numbers |
The prime factorization of 51291280 is 2 × 2 × 2 × 2 × 5 × 53 × 12097. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 51291280)
Multiplication
n×yn×2 | 102582560 |
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n×3 | 153873840 |
n×4 | 205165120 |
n×5 | 256456400 |
Division
n÷yn÷2 | 25645640 |
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n÷3 | 17097093.333333 |
n÷3 | 12822820 |
n÷5 | 10258256 |
Exponentiation
nyn2 | 2630795404038400 |
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n3 | 1.3493686369125E+23 |
n4 | 6.9210844579096E+30 |
n5 | 3.5499128083429E+38 |
Nth Root
y√n2√n | 7161.7930715708 |
---|---|
3√n | 371.54764455081 |
4√n | 84.62737778976 |
5√n | 34.834429914391 |
Divisors of 51291280
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 | -51291279 | 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 51291280 can be divided by 40 positive divisors. The sum of these divisors (counting 51291280) is 1, the average is 0.025.
Base conversion 51291280
Base | System | Value |
---|---|---|
2 | Binary | 11000011101010010010010000 |
3 | Ternary | 10120111212102001 |
4 | Quaternary | 3003222102100 |
5 | Quinary | 101112310110 |
6 | Senary | 5031203344 |
8 | Octal | 303522220 |
10 | Decimal | 51291280 |
12 | Duodecimal | 15216554 |
16 | Hexadecimal | 30ea490 |
20 | Vigesimal | g0b840 |
36 | Base36 | ujcls |
Cryptographic Hash Functions
md5 | 01b981881f4710046e31717a62ee4761 |
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sha1 | 2ec018d128bd7a009331f8dcf8b5eab0da85780b |
sha256 | 5c867c1a5b0f467b03134e52882337b7e0960f6e425e48fe38c8e98d1748bb7c |
sha512 | 185db6646181b1d5f59a37d89e214cdf3541c981308b959da04a8bf7aa15e32d357902edff1936b9dc0ab8c0d8aeffda7b5f2114944236ba93cca3f8180859cf |
ripemd-160 | 0f1f377184c12756b5c2ac3dd040d576e9f82423 |
51291280 as geometric shapes
Circle
Radius = nDiameter | 102582560 |
---|---|
Circumference | 322272616.88243 |
Area | 8.2648875144248E+15 |
Sphere
Radius = nVolume | 5.6522221289449E+23 |
---|---|
Surface area | 3.3059550057699E+16 |
Circumference | 322272616.88243 |
Square
Length = nPerimeter | 205165120 |
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Area | 2630795404038400 |
Diagonal | 72536823.807476 |
Cube
Length = nSurface area | 15784772424230400 |
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Volume | 1.3493686369125E+23 |
Space diagonal | 88839102.945241 |
Equilateral Triangle
Length = nPerimeter | 153873840 |
---|---|
Area | 1.1391678260283E+15 |
Altitude | 44419551.472621 |
Triangular Pyramid
Length = nSurface area | 1.1391678260283E+15 |
---|---|
Volume | 1.5902461891354E+22 |
Height | 24178941.269159 |