664691261 is an odd 9-digits composite number following 664691260
and preceding 664691262 . In scientific notation, it is written as 6.64691261 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 610131312 positive integers (up to 664691261) that are relatively prime to 664691261.
664691261 has 8 divisors, whose sum is 719822880
The reverse of 664691261 is 162196466
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred sixty-four million six hundred ninety-one thousand two hundred sixty-one
Scientific notation
6.64691261 × 10^8
Engineering notation
6.64691261 × 10^6
Prime Factorization
13 × 179 × 285643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664691261
Product of the distinct prime numbers
The prime factorization of 664691261 is 13 × 179 × 285643.
Since it has a total of 3 prime factors.
6 , 5 , 12 , 95 , 103 , 630 , 6099 , 4355 , 18667 , 78522 , 447460 , 215016 , 3090909 , 5062982 , 73572096 , 89353658 , 221368778 , 495416301 , 7493170184 , 5730729698
n×2
1329382522
n×3
1994073783
n×4
2658765044
n×5
3323456305
n÷2
332345630.5
n÷3
221563753.66667
n÷3
166172815.25
n÷5
132938252.2
n2
441814472449770121
n3
2.9367021882069E+26
n4
1.9520002806607E+35
n5
1.2974775280247E+44
2 √n
25781.607029043
3 √n
872.71677320301
4 √n
160.5665190164
5 √n
58.146555607903
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
-664691260
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 664691261 can be divided by 8 positive divisors.
The sum of these divisors (counting 664691261) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100111100110001000111101
3
Ternary
1201022201210222212
4
Quaternary
213213212020331
5
Quinary
2330130110021
6
Senary
145542350205
8
Octal
4747461075
10
Decimal
664691261
12
Duodecimal
16672b365
16
Hexadecimal
279e623d
20
Vigesimal
a7e6831
36
Base36
azqn25
md5
c4d11cc4e1f652a56fc3f7a9b3bab686
sha1
48cbf4e856a26902ca35f5569c7b01ee24b0d958
sha256
3d586933c9b45816f3ac01b5ec3253729dbc11a7d7aeac55053559234c1bc624
sha512
cfa58b80e19e3caff7a5e1ae51711bc405bcbcf2ee52fe0f1b641af420a57b713ed3bef5c952cc37b347d1af6548c8203eeef9ece5b0063d3dac79bbe84f0154
ripemd-160
3aabff7ce7fd796ed754a3f6086495f9d515156b
Diameter
1329382522
Circumference
4176378364.9259
Area
1.3880011008978E+18
Volume
1.2301229360336E+27
Surface area
5.5520044035914E+18
Circumference
4176378364.9259
Perimeter
2658765044
Area
441814472449770121
Diagonal
940015396.09707
Surface area
2650886834698620726
Volume
2.9367021882069E+26
Space diagonal
1151279035.399
Perimeter
1994073783
Area
1.9131127845056E+17
Altitude
575639517.69951
Surface area
1.9131127845056E+17
Volume
3.4609367193441E+25
Height
313338465.36569