661569081 is an odd 9-digits composite number following 661569080
and preceding 661569082 . In scientific notation, it is written as 6.61569081 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 439736640 positive integers (up to 661569081) that are relatively prime to 661569081.
661569081 has 8 divisors, whose sum is 884710944
The reverse of 661569081 is 180965166
Previous prime number is 337
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred sixty-one million five hundred sixty-nine thousand eighty-one
Scientific notation
6.61569081 × 10^8
Engineering notation
6.61569081 × 10^6
Prime Factorization
3 × 337 × 654371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
661569081
Product of the distinct prime numbers
The prime factorization of 661569081 is 3 × 337 × 654371.
Since it has a total of 3 prime factors.
8 , 2 , 40 , 88 , 134 , 989 , 336 , 6043 , 60213 , 50865 , 332681 , 915610 , 4459961 , 1910716 , 79825117 , 87844534 , 363935943 , 485006546 , 3871892788 , 44837874
n×2
1323138162
n×3
1984707243
n×4
2646276324
n×5
3307845405
n÷2
330784540.5
n÷3
220523027
n÷3
165392270.25
n÷5
132313816.2
n2
437673648935184561
n3
2.8955135370397E+26
n4
1.9155822297224E+35
n5
1.2672899752974E+44
2 √n
25720.985226076
3 √n
871.34818979718
4 √n
160.37763318517
5 √n
58.091827620123
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
-661569080
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 661569081 can be divided by 8 positive divisors.
The sum of these divisors (counting 661569081) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011011101011111000111001
3
Ternary
1201002212012011120
4
Quaternary
213123223320321
5
Quinary
2323330202311
6
Senary
145351415453
8
Octal
4733537071
10
Decimal
661569081
12
Duodecimal
165684589
16
Hexadecimal
276ebe39
20
Vigesimal
a6eg2e1
36
Base36
axvpyx
md5
c83894930c642478bea7f63e5a79d46c
sha1
c106ef1d4dfd5f0fdbba916847b6ae438185d01c
sha256
c0676da052351274d21f473f445ccbf27418d3d8b802e3ddb30d5409fc063d6e
sha512
fa01f96b77115bd4f692638f5b6ced3880c01d86083698436f114a91e9137d557b8a48b7a9525e85249eb6879265a62c33e196f336bd58d6b8bfb7122a395030
ripemd-160
965e1c6782b8ca4f01a1a7fb6700bd22e020823d
Diameter
1323138162
Circumference
4156761129.4235
Area
1.3749923201646E+18
Volume
1.2128698741778E+27
Surface area
5.4999692806585E+18
Circumference
4156761129.4235
Perimeter
2646276324
Area
437673648935184561
Diagonal
935599966.7969
Surface area
2626041893611107366
Volume
2.8955135370397E+26
Space diagonal
1145871261.0086
Perimeter
1984707243
Area
1.8951824927245E+17
Altitude
572935630.50432
Surface area
1.8951824927245E+17
Volume
3.4123954284303E+25
Height
311866655.59897