664657949 is an odd 9-digits composite number following 664657948
and preceding 664657950 . In scientific notation, it is written as 6.64657949 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 643217340 positive integers (up to 664657949) that are relatively prime to 664657949.
664657949 has 4 divisors, whose sum is 686098560
The reverse of 664657949 is 949756466
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred sixty-four million six hundred fifty-seven thousand nine hundred forty-nine
Scientific notation
6.64657949 × 10^8
Engineering notation
6.64657949 × 10^6
Prime Factorization
31 × 21440579
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
664657949
Product of the distinct prime numbers
The prime factorization of 664657949 is 31 × 21440579.
Since it has a total of 2 prime factors.
10 , 3 , 4 , 59 , 899 , 550 , 5861 , 201 , 4795 , 24686 , 745451 , 796004 , 7478264 , 8626678 , 30636232 , 94268353 , 864291918 , 710532645 , 6812252220 , 1925830602
n×2
1329315898
n×3
1993973847
n×4
2658631796
n×5
3323289745
n÷2
332328974.5
n÷3
221552649.66667
n÷3
166164487.25
n÷5
132931589.8
n2
441770189168886601
n3
2.9362606786233E+26
n4
1.9516090003831E+35
n5
1.2971524354446E+44
2 √n
25780.960978986
3 √n
872.70219378921
4 √n
160.56450722057
5 √n
58.14597277584
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
-664657948
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 664657949 can be divided by 4 positive divisors.
The sum of these divisors (counting 664657949) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111100111011110000000011101
3
Ternary
1201022200010022002
4
Quaternary
213213132000131
5
Quinary
2330123023244
6
Senary
145541532045
8
Octal
4747360035
10
Decimal
664657949
12
Duodecimal
166714025
16
Hexadecimal
279de01d
20
Vigesimal
a7e24h9
36
Base36
azpxct
md5
b1214a754c020cb9e9d14792bf7597f7
sha1
bc5b1b7570f2f8eecb30525dd487d38976d8af97
sha256
08ddd40ea673347dd6e7c15bbde60fc206d5a6ec1d4d0c135eedc32bf8c26e12
sha512
12901eb82a4e147812cf99ffb7fb50b45c6acd6106e53268cf59f50063d4e882d43ed66d6b0a11d4d7d292f95039e2edeb3d8d708e71868cada67dd34f2332d6
ripemd-160
b2bbc79fea9e7d263371f2b3b8a199f318626005
Diameter
1329315898
Circumference
4176169059.4569
Area
1.3878619808679E+18
Volume
1.2299379969317E+27
Surface area
5.5514479234718E+18
Circumference
4176169059.4569
Perimeter
2658631796
Area
441770189168886601
Diagonal
939968285.81489
Surface area
2650621135013319606
Volume
2.9362606786233E+26
Space diagonal
1151221337.3225
Perimeter
1993973847
Area
1.9129210322746E+17
Altitude
575610668.66126
Surface area
1.9129210322746E+17
Volume
3.46041639531E+25
Height
313322761.9383