664346721 is an odd 9-digits composite number following 664346720
and preceding 664346722 . In scientific notation, it is written as 6.64346721 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 442897812 positive integers (up to 664346721) that are relatively prime to 664346721.
664346721 has 4 divisors, whose sum is 885795632
The reverse of 664346721 is 127643466
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred sixty-four million three hundred forty-six thousand seven hundred twenty-one
Scientific notation
6.64346721 × 10^8
Engineering notation
6.64346721 × 10^6
Prime Factorization
3 × 221448907
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
664346721
Product of the distinct prime numbers
The prime factorization of 664346721 is 3 × 221448907.
Since it has a total of 2 prime factors.
3 , 1 , 76 , 90 , 870 , 157 , 7837 , 4816 , 40711 , 22317 , 318850 , 695654 , 194513 , 401366 , 5953795 , 30198088 , 171269326 , 580003531 , 2298529526 , 3961690739
n×2
1328693442
n×3
1993040163
n×4
2657386884
n×5
3321733605
n÷2
332173360.5
n÷3
221448907
n÷3
166086680.25
n÷5
132869344.2
n2
441356565703451841
n3
2.9321378721691E+26
n4
1.9479561808955E+35
n5
1.2941183014296E+44
2 √n
25774.92426759
3 √n
872.56595741692
4 √n
160.54570772085
5 √n
58.14052635176
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
-664346720
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 664346721 can be divided by 4 positive divisors.
The sum of these divisors (counting 664346721) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111100110010010000001100001
3
Ternary
1201022002022101010
4
Quaternary
213212102001201
5
Quinary
2330033043341
6
Senary
145531131133
8
Octal
4746220141
10
Decimal
664346721
12
Duodecimal
1665a3aa9
16
Hexadecimal
27992061
20
Vigesimal
a7c36g1
36
Base36
azj97l
md5
54bd0323ba5d314c90559254370092f0
sha1
ef341ffbd2997353e98963a0e5879f21e39c8a52
sha256
4b2481a0f873ec1c080be62bb5bb695b9cfdd0c6f3bfdcee5a2d8658bf72cd8b
sha512
5b748449032eb500ab2253b3bb7f053e1e227de4921e55b3b3494aa78c500b2570e87ce8574b9a866d288a41e3d8dab22cb7394599e514a93bb97ff774eb8285
ripemd-160
42970fd76a0b3bd28ce6071ad24167603df46876
Diameter
1328693442
Circumference
4174213556.2601
Area
1.3865625444276E+18
Volume
1.2282110398025E+27
Surface area
5.5462501777103E+18
Circumference
4174213556.2601
Perimeter
2657386884
Area
441356565703451841
Diagonal
939528142.95629
Surface area
2648139394220711046
Volume
2.9321378721691E+26
Space diagonal
1150682274.6138
Perimeter
1993040163
Area
1.9111299901312E+17
Altitude
575341137.30689
Surface area
1.9111299901312E+17
Volume
3.4555576213078E+25
Height
313176047.6521