51686720 (number)

51686720 is an even 8-digits composite number following 51686719 and preceding 51686721. In scientific notation, it is written as 5.1686720 × 10^7. The sum of its digits is 35. It has a total of 8 prime factors and 28 positive divisors. There are 20674560 positive integers (up to 51686720) that are relatively prime to 51686720.

Interesting facts

Basic properties

Name

Name fifty-one million six hundred eighty-six thousand seven hundred twenty

Notation

Scientific notation 5.1686720 × 10^7
Engineering notation 5.1686720 × 10^6

Prime Factorization of 51686720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 161521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1615210
Product of the distinct prime numbers

The prime factorization of 51686720 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 161521. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 5, 2, 31, 430, 716, 1680, 9494, 30372, 15146, 152247, 192569, 2104735, 3777611, 66126789, 10649458, 15916485, 48007782, 6979096755, 8371969292

Basic calculations (n = 51686720)

Multiplication

n×y
n×2 103373440
n×3 155060160
n×4 206746880
n×5 258433600

Division

n÷y
n÷2 25843360
n÷3 17228906.666667
n÷3 12921680
n÷5 10337344

Exponentiation

ny
n2 2671517024358400
n3 1.3808195241325E+23
n4 7.1370032114368E+30
n5 3.6888828662863E+38

Nth Root

y√n
2√n 7189.3476755544
3√n 372.50004053871
4√n 84.790021084762
5√n 34.887977582672

Divisors of 51686720

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 161521, 323042, 646084, 807605, 1292168, 1615210, 2584336, 3230420, 5168672, 6460840, 10337344, 12921680, 25843360, 51686720

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -51686719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51686720 can be divided by 28 positive divisors. The sum of these divisors (counting 51686720) is 1, the average is 0.035714285714286.

Base conversion 51686720

Base System Value
2 Binary 11000101001010110101000000
3 Ternary 10121020221211222
4 Quaternary 3011022311000
5 Quinary 101212433340
6 Senary 5043454212
8 Octal 305126500
10 Decimal 51686720
12 Duodecimal 15387368
16 Hexadecimal 314ad40
20 Vigesimal g30gg0
36 Base36 urtq8

Cryptographic Hash Functions

md5 e0f3a8ee9696139c35533fe7b76d4a59
sha1 9ac101a6e9f7e94a6b6f3ab0fd7f3e0fed6f6c5b
sha256 1cd96ec4d4486b96f544c6e3dfcdba076c76d24eb7dacf40bb5df4f49ae2b88a
sha512 596dcb9ba787e76585c7db055c1c0e51631cad72d743b2c692a23da454539635080b33347b7d8beffcdad2f787d968fac8b8654c7428a8816b10e47985c6d3e3
ripemd-160 c5efd5062c6e1984a618647d6b9fde60d3208432

51686720 as geometric shapes

Circle

Radius = n
Diameter 103373440
Circumference 324757239.68031
Area 8.3928182576644E+15

Sphere

Radius = n
Volume 5.7839632972638E+23
Surface area 3.3571273030658E+16
Circumference 324757239.68031

Square

Length = n
Perimeter 206746880
Area 2671517024358400
Diagonal 73096060.418581

Cube

Length = n
Surface area 16029102146150400
Volume 1.3808195241325E+23
Space diagonal 89524025.116586

Equilateral Triangle

Length = n
Perimeter 155060160
Area 1.1568008048685E+15
Altitude 44762012.558293

Triangular Pyramid

Length = n
Surface area 1.1568008048685E+15
Volume 1.6273114151814E+22
Height 24365353.47286