661623448 is an even 9-digits composite number following 661623447
and preceding 661623449 . In scientific notation, it is written as 6.61623448 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 8 positive divisors.
There are 330811720 positive integers (up to 661623448) that are relatively prime to 661623448.
661623448 has 8 divisors, whose sum is 1240543980
The reverse of 661623448 is 844326166
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred sixty-one million six hundred twenty-three thousand four hundred forty-eight
Scientific notation
6.61623448 × 10^8
Engineering notation
6.61623448 × 10^6
Prime Factorization
2 × 2 × 2 × 82702931
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
165405862
Product of the distinct prime numbers
The prime factorization of 661623448 is 2 × 2 × 2 × 82702931.
Since it has a total of 4 prime factors.
9 , 5 , 23 , 86 , 256 , 819 , 6923 , 3961 , 61093 , 69335 , 790534 , 151511 , 1773199 , 7718787 , 2303138 , 9699179 , 27531524 , 827942283 , 4160690865 , 3290203999
n×2
1323246896
n×3
1984870344
n×4
2646493792
n×5
3308117240
n÷2
330811724
n÷3
220541149.33333
n÷3
165405862
n÷5
132324689.6
n2
437745586943408704
n3
2.8962274458028E+26
n4
1.9162119888843E+35
n5
1.2678107831846E+44
2 √n
25722.042065124
3 √n
871.37205794679
4 √n
160.38092799683
5 √n
58.092782372898
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
-661623447
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 661623448 can be divided by 8 positive divisors.
The sum of these divisors (counting 661623448) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011011111001001010011000
3
Ternary
1201002221221202011
4
Quaternary
213123321022120
5
Quinary
2323333422243
6
Senary
145352515304
8
Octal
4733711230
10
Decimal
661623448
12
Duodecimal
1656abb34
16
Hexadecimal
276f9298
20
Vigesimal
a6f2ic8
36
Base36
axwvx4
md5
8c0db77fc7c50022ba741f1028a3fb34
sha1
4d88931577fcb071f6cf3be8a249968cd555ed07
sha256
4e3a86edbfd52cf5ff9ab69dc046fb388dfa7f770287b672f7673c1163c65cb3
sha512
ca72c8d7d28c9a6cb8edd375347e727abd4d78704d27341f1e52c36194b3e80cd39df7f5932f7ee1c2dc9d7ce10174c2e73288bf5283f995361bed248ff069bf
ripemd-160
8ee34c90b39e61c4812bf343f7a0f6ac6d4ddb66
Diameter
1323246896
Circumference
4157102727.3591
Area
1.3752183200828E+18
Volume
1.2131689155812E+27
Surface area
5.5008732803311E+18
Circumference
4157102727.3591
Perimeter
2646493792
Area
437745586943408704
Diagonal
935676853.34565
Surface area
2626473521660452224
Volume
2.8962274458028E+26
Space diagonal
1145965427.4149
Perimeter
1984870344
Area
1.8954939934376E+17
Altitude
572982713.70745
Surface area
1.8954939934376E+17
Volume
3.4132367779763E+25
Height
311892284.44855