664694561 is an odd 9-digits prime number following 664694560
and preceding 664694562 . In scientific notation, it is written as 6.64694561 × 10^8.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 664694560 positive integers (up to 664694561) that are relatively prime to 664694561.
664694561 has 2 divisors, whose sum is 664694562
The reverse of 664694561 is 165496466
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred sixty-four million six hundred ninety-four thousand five hundred sixty-one
Scientific notation
6.64694561 × 10^8
Engineering notation
6.64694561 × 10^6
Prime Factorization
664694561
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
664694561
Product of the distinct prime numbers
The prime factorization of 664694561 is 664694561.
Since it has a total of 1 prime factors.
6 , 5 , 24 , 12 , 685 , 169 , 6791 , 5661 , 29520 , 7692 , 835170 , 574138 , 6173875 , 1086470 , 96869253 , 73284067 , 584800497 , 105901371 , 577080464 , 3311816484
n×2
1329389122
n×3
1994083683
n×4
2658778244
n×5
3323472805
n÷2
332347280.5
n÷3
221564853.66667
n÷3
166173640.25
n÷5
132938912.2
n2
441818859422982721
n3
2.9367459280568E+26
n4
1.9520390454183E+35
n5
1.2975097363491E+44
2 √n
25781.671028077
3 √n
872.7182174628
4 √n
160.56671830762
5 √n
58.146613343956
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
664694562
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
332347281
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
25781.671047471
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999969911
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 664694561 can be divided by 2 positive divisors.
The sum of these divisors (counting 664694561) is 664694562, the average is 332347281.
Base
System
Value
2
Binary
100111100111100110111100100001
3
Ternary
1201022201222112002
4
Quaternary
213213212330201
5
Quinary
2330130211221
6
Senary
145542413345
8
Octal
4747467441
10
Decimal
664694561
12
Duodecimal
166731255
16
Hexadecimal
279e6f21
20
Vigesimal
a7e6g81
36
Base36
azqplt
md5
ca909dbeca440ee06fac3d6409c238d1
sha1
930b843c9b3442e593da52502ef28f65e220a852
sha256
f3a69b7d5672960a8fc120a5a55354687eddfe3614e67cc44f26387f8044af50
sha512
78f351005cdbb3053ec6256a22beddc4809ceeececd891d8041884a7155e435ac8fdb50dfd94fee8b6e458a479b6f376878722f6f113b5e91330fa6af5dc7a0e
ripemd-160
d472eb2a82e76e4288fada091c78cb4b71c8d21c
Diameter
1329389122
Circumference
4176399099.4374
Area
1.3880148829807E+18
Volume
1.2301412577391E+27
Surface area
5.5520595319227E+18
Circumference
4176399099.4374
Perimeter
2658778244
Area
441818859422982721
Diagonal
940020063.00183
Surface area
2650913156537896326
Volume
2.9367459280568E+26
Space diagonal
1151284751.1667
Perimeter
1994083683
Area
1.9131317806568E+17
Altitude
575642375.58335
Surface area
1.9131317806568E+17
Volume
3.4609882672516E+25
Height
313340021.00061