661566 is an even 6-digits composite number following 661565
and preceding 661567 . In scientific notation, it is written as 6.61566 × 10^5.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 220520 positive integers (up to 661566) that are relatively prime to 661566.
661566 has 8 divisors, whose sum is 1323144
The reverse of 661566 is 665166
Previous prime number is 3
Is Prime? no
Number parity even
Number length 6
Sum of Digits 30
Digital Root 3
Name
six hundred sixty-one thousand five hundred sixty-six
Scientific notation
6.61566 × 10^5
Engineering notation
6.61566 × 10^3
Prime Factorization
2 × 3 × 110261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
661566
Product of the distinct prime numbers
The prime factorization of 661566 is 2 × 3 × 110261.
Since it has a total of 3 prime factors.
9 , 8 , 85 , 11 , 179 , 358 , 4827 , 1345 , 61937 , 94939 , 423768 , 590652 , 5950323 , 5122995 , 23784933 , 35077736 , 876686693 , 579358008 , 9634858948 , 5407105790
n×2
1323132
n×3
1984698
n×4
2646264
n×5
3307830
n÷2
330783
n÷3
220522
n÷3
165391.5
n÷5
132313.2
n2
437669572356
n3
289547308305269496
n4
1.9155465456628E+23
n5
1.267260466028E+29
2 √n
813.3670758028
3 √n
87.134683714028
4 √n
28.519591087581
5 √n
14.591993766716
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-661565
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 661566 can be divided by 8 positive divisors.
The sum of these divisors (counting 661566) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100001100000111110
3
Ternary
1020121111110
4
Quaternary
2201200332
5
Quinary
132132231
6
Senary
22102450
8
Octal
2414076
10
Decimal
661566
12
Duodecimal
27aa26
16
Hexadecimal
a183e
20
Vigesimal
42di6
36
Base36
e6gu
md5
d5f97dd78bb57d96eb0fa76fb4a64d85
sha1
bbb96bb73c7e74f6875e4c5b057fa9b38ec43dc4
sha256
6891f61d2fbb65bae6751cff18c34208e29d156c6af236e1abcefa5802911ad9
sha512
04e471e7b046566f77f0b779fef9446f2017b41ddaae10821e1be68d54ac12d7f9a12046fb79991420a8a3dcc98a0e093c3823d8881918096c9e5890a7b3c66d
ripemd-160
03fac6a987afa8f964311496e74e828ebdf837a7
Diameter
1323132
Circumference
4156741.7709296
Area
1374979513213.4
Volume
1.2128529288514E+18
Surface area
5499918052853.6
Circumference
4156741.7709296
Perimeter
2646264
Area
437669572356
Diagonal
935595.60960492
Surface area
2626017434136
Volume
289547308305269496
Space diagonal
1145865.9245601
Perimeter
1984698
Area
189516484061.88
Altitude
572932.96228006
Surface area
189516484061.88
Volume
3.4123477529495E+16
Height
311865.20320164