664696581 is an odd 9-digits composite number following 664696580
and preceding 664696582 . In scientific notation, it is written as 6.64696581 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 443131052 positive integers (up to 664696581) that are relatively prime to 664696581.
664696581 has 4 divisors, whose sum is 886262112
The reverse of 664696581 is 185696466
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred sixty-four million six hundred ninety-six thousand five hundred eighty-one
Scientific notation
6.64696581 × 10^8
Engineering notation
6.64696581 × 10^6
Prime Factorization
3 × 221565527
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
664696581
Product of the distinct prime numbers
The prime factorization of 664696581 is 3 × 221565527.
Since it has a total of 2 prime factors.
8 , 5 , 50 , 34 , 680 , 115 , 6965 , 9250 , 73577 , 46784 , 850171 , 114049 , 40078 , 4105587 , 67889956 , 3467650 , 475268162 , 243328423 , 836383913 , 3509825495
n×2
1329393162
n×3
1994089743
n×4
2658786324
n×5
3323482905
n÷2
332348290.5
n÷3
221565527
n÷3
166174145.25
n÷5
132939316.2
n2
441821544793089561
n3
2.936772702361E+26
n4
1.9520627744335E+35
n5
1.2975294520633E+44
2 √n
25781.710203165
3 √n
872.71910152249
4 √n
160.56684029763
5 √n
58.146648685307
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-664696580
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 664696581 can be divided by 4 positive divisors.
The sum of these divisors (counting 664696581) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111100111100111011100000101
3
Ternary
1201022202002021220
4
Quaternary
213213213130011
5
Quinary
2330130242311
6
Senary
145542430553
8
Octal
4747473405
10
Decimal
664696581
12
Duodecimal
166732459
16
Hexadecimal
279e7705
20
Vigesimal
a7e7191
36
Base36
azqr5x
md5
1ca82b0dfbe8fc9f38d19cba6c4e94e8
sha1
732d0120ae42a6940e46827859aa44439b78aae0
sha256
c30ad437a23bde85dfe8adc72680a7a498575b9e183315b618d05d2a793c3a84
sha512
f98ea4468c4dc36604b77092d98075666fa07fdcd8bfeade557283fad364e9e7c8bc693e804e5936a716884f3a2301b1574dc801b8e33ba70c3d280f07455306
ripemd-160
f176305c288e142567f4660e4377276bee5e074d
Diameter
1329393162
Circumference
4176411791.4717
Area
1.3880233193197E+18
Volume
1.2301524729334E+27
Surface area
5.5520932772787E+18
Circumference
4176411791.4717
Perimeter
2658786324
Area
441821544793089561
Diagonal
940022919.71323
Surface area
2650929268758537366
Volume
2.936772702361E+26
Space diagonal
1151288249.9093
Perimeter
1994089743
Area
1.9131434086505E+17
Altitude
575644124.95466
Surface area
1.9131434086505E+17
Volume
3.4610198210717E+25
Height
313340973.23774