61661680 is an even 8-digits composite number following 61661679
and preceding 61661681 . In scientific notation, it is written as 6.1661680 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors.
There are 24664640 positive integers (up to 61661680) that are relatively prime to 61661680.
61661680 has 20 divisors, whose sum is 143363592
The reverse of 61661680 is 08616616
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-one million six hundred sixty-one thousand six hundred eighty
Scientific notation
6.1661680 × 10^7
Engineering notation
6.1661680 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 770771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7707710
Product of the distinct prime numbers
The prime factorization of 61661680 is 2 × 2 × 2 × 2 × 5 × 770771.
Since it has a total of 6 prime factors.
1 , 7 , 100 , 53 , 186 , 153 , 7345 , 3274 , 51887 , 31074 , 19466 , 697594 , 8071712 , 6049629 , 91330831 , 66030336 , 517031981 , 845273579 , 448268457 , 2996553311
n×2
123323360
n×3
184985040
n×4
246646720
n×5
308308400
n÷2
30830840
n÷3
20553893.333333
n÷3
15415420
n÷5
12332336
n2
3802162780422400
n3
2.3444774467432E+23
n4
1.4456441808829E+31
n5
8.9140848875466E+38
2 √n
7852.4951448568
3 √n
395.06793682727
4 √n
88.614305531651
5 √n
36.141241794766
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 770771 , 1541542 , 3083084 , 3853855 , 6166168 , 7707710 , 12332336 , 15415420 , 30830840 , 61661680
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61661679
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61661680 can be divided by 20 positive divisors.
The sum of these divisors (counting 61661680) is 1, the average is 0.05.
Base
System
Value
2
Binary
11101011001110000111110000
3
Ternary
11022000201220221
4
Quaternary
3223032013300
5
Quinary
111241133210
6
Senary
10041342424
8
Octal
353160760
10
Decimal
61661680
12
Duodecimal
18797a14
16
Hexadecimal
3ace1f0
20
Vigesimal
j57e40
36
Base36
10pmgg
md5
7c1ef9b9011651df1dde5cabedb4b12c
sha1
0396128311e9b650f9f0985ae3bd0b1aaaf901e7
sha256
9ad9199da3fec0f08daa808c221fba7f15fe9ac96d9482f14a9a40baff539c97
sha512
a1d283603559c7239a49da0dd09a0e1b7c9e1701ecdd240e39407a05c6ca8023ece063142894ba561d3b410eec8e77e8caa8fa3931064a54c7171e8ac43009e9
ripemd-160
e85574246f42e598bd042ffc1e49aeb421f01cfa
Diameter
123323360
Circumference
387431761.79201
Area
1.1944846658728E+16
Volume
9.8205241642604E+23
Surface area
4.777938663491E+16
Circumference
387431761.79201
Perimeter
246646720
Area
3802162780422400
Diagonal
87202784.13471
Surface area
22812976682534400
Volume
2.3444774467432E+23
Space diagonal
106801162.64005
Perimeter
184985040
Area
1.6463847785847E+15
Altitude
53400581.320027
Surface area
1.6463847785847E+15
Volume
2.7629931682184E+22
Height
29067594.71157