664697621 is an odd 9-digits composite number following 664697620
and preceding 664697622 . In scientific notation, it is written as 6.64697621 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 564451200 positive integers (up to 664697621) that are relatively prime to 664697621.
664697621 has 16 divisors, whose sum is 766736640
The reverse of 664697621 is 126796466
Previous prime number is 557
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred sixty-four million six hundred ninety-seven thousand six hundred twenty-one
Scientific notation
6.64697621 × 10^8
Engineering notation
6.64697621 × 10^6
Prime Factorization
7 × 151 × 557 × 1129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
664697621
Product of the distinct prime numbers
The prime factorization of 664697621 is 7 × 151 × 557 × 1129.
Since it has a total of 4 prime factors.
5 , 2 , 98 , 55 , 216 , 591 , 6141 , 7719 , 721 , 19316 , 979758 , 648183 , 5280830 , 4636773 , 14850501 , 57742897 , 291201216 , 821000739 , 3797017376 , 3548841054
n×2
1329395242
n×3
1994092863
n×4
2658790484
n×5
3323488105
n÷2
332348810.5
n÷3
221565873.66667
n÷3
166174405.25
n÷5
132939524.2
n2
441822927363059641
n3
2.9367864872148E+26
n4
1.9520749914366E+35
n5
1.2975396028215E+44
2 √n
25781.730372494
3 √n
872.71955668124
4 √n
160.56690310426
5 √n
58.14666688082
1 , 7 , 151 , 557 , 1057 , 1129 , 3899 , 7903 , 84107 , 170479 , 588749 , 628853 , 1193353 , 4401971 , 94956803 , 664697621
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-664697620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 664697621 can be divided by 16 positive divisors.
The sum of these divisors (counting 664697621) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111100111100111101100010101
3
Ternary
1201022202010201102
4
Quaternary
213213213230111
5
Quinary
2330130310441
6
Senary
145542435445
8
Octal
4747475425
10
Decimal
664697621
12
Duodecimal
166732b85
16
Hexadecimal
279e7b15
20
Vigesimal
a7e7411
36
Base36
azqryt
md5
b48b76e62922d056fb6c2051f892c7fb
sha1
bc9ac86595f0a9609325d2ef49ecd564033f0a46
sha256
24f444d7139951dff0f8cbb043a039f28c347a0a1235e91fdc53956fc4498f3f
sha512
f9d80393eace8fe69ef4678bd6c0ce9e07b4e4b91b3b29241743f127238f01b181c84935cf14c063728a53503afc016a5587f00a7e4240ccaf05ac93cc2e4ac6
ripemd-160
efb7d0df2bcee8be2c3d9e3b1c3cc66d58f5b2db
Diameter
1329395242
Circumference
4176418325.9844
Area
1.3880276627913E+18
Volume
1.2301582471194E+27
Surface area
5.5521106511653E+18
Circumference
4176418325.9844
Perimeter
2658790484
Area
441822927363059641
Diagonal
940024390.49533
Surface area
2650937564178357846
Volume
2.9367864872148E+26
Space diagonal
1151290051.2422
Perimeter
1994092863
Area
1.9131493953541E+17
Altitude
575645025.62108
Surface area
1.9131493953541E+17
Volume
3.4610360666777E+25
Height
313341463.49844