660656661 is an odd 9-digits composite number following 660656660
and preceding 660656662 . In scientific notation, it is written as 6.60656661 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 377518008 positive integers (up to 660656661) that are relatively prime to 660656661.
660656661 has 12 divisors, whose sum is 1024692192
The reverse of 660656661 is 166656066
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred sixty million six hundred fifty-six thousand six hundred sixty-one
Scientific notation
6.60656661 × 10^8
Engineering notation
6.60656661 × 10^6
Prime Factorization
7 × 3 × 7 × 4494263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
94379523
Product of the distinct prime numbers
The prime factorization of 660656661 is 7 × 3 × 7 × 4494263.
Since it has a total of 4 prime factors.
9 , 3 , 45 , 95 , 342 , 912 , 5733 , 128 , 40204 , 23635 , 525927 , 788257 , 5454956 , 9117909 , 41184707 , 72845389 , 228517676 , 408080166 , 161562510 , 895722023
n×2
1321313322
n×3
1981969983
n×4
2642626644
n×5
3303283305
n÷2
330328330.5
n÷3
220218887
n÷3
165164165.25
n÷5
132131332.2
n2
436467223723668921
n3
2.8835497866122E+26
n4
1.9050363738505E+35
n5
1.2585749698316E+44
2 √n
25703.242227392
3 √n
870.94742474917
4 √n
160.32230732931
5 √n
58.075795005567
1 , 3 , 7 , 21 , 49 , 147 , 4494263 , 13482789 , 31459841 , 94379523 , 220218887 , 660656661
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-660656660
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 660656661 can be divided by 12 positive divisors.
The sum of these divisors (counting 660656661) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111011000001101001000010101
3
Ternary
1201001010211120020
4
Quaternary
213120031020111
5
Quinary
2323112003121
6
Senary
145320055353
8
Octal
4730151025
10
Decimal
660656661
12
Duodecimal
165304559
16
Hexadecimal
2760d215
20
Vigesimal
a6921d1
36
Base36
axc5xx
md5
a7bac1816ded4857edac5348c42b9d5d
sha1
5bc6a352002e41468f7ffe1a23c525a712610379
sha256
94c0e74ebda5cbecfaa83b2cbab29b3e61f22d126cf8a7f781bc246b524ad61b
sha512
fae060953b80b6e5fba917d42b77adb0241fe464eb573fbc1a30a17fbd66bf3e35d8ab2984075a3b61cc425af759cbe5c99d331c37697b4662c4087d5cd31e06
ripemd-160
b7809cdbe4d4a01d76ce986210dacfa27bb919b5
Diameter
1321313322
Circumference
4151028225.4855
Area
1.371202223583E+18
Volume
1.2078585101175E+27
Surface area
5.484808894332E+18
Circumference
4151028225.4855
Perimeter
2642626644
Area
436467223723668921
Diagonal
934309610.05832
Surface area
2618803342342013526
Volume
2.8835497866122E+26
Space diagonal
1144290903.2108
Perimeter
1981969983
Area
1.8899585183198E+17
Altitude
572145451.6054
Surface area
1.8899585183198E+17
Volume
3.3982960133375E+25
Height
311436536.68611