64490639 is an odd 8-digits composite number following 64490638
and preceding 64490640 . In scientific notation, it is written as 6.4490639 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 60696800 positive integers (up to 64490639) that are relatively prime to 64490639.
64490639 has 4 divisors, whose sum is 64714080
The reverse of 64490639 is 93609446
Previous prime number is 289
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-four million four hundred ninety thousand six hundred thirty-nine
Scientific notation
6.4490639 × 10^7
Engineering notation
6.4490639 × 10^6
Prime Factorization
289 × 223151
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64490639
Product of the distinct prime numbers
The prime factorization of 64490639 is 289 × 223151.
Since it has a total of 2 prime factors.
9 , 3 , 85 , 59 , 29 , 575 , 630 , 6231 , 80433 , 10358 , 6591 , 151716 , 5745017 , 9871508 , 62598878 , 57677431 , 841369364 , 572336811 , 892941403 , 4457997711
n×2
128981278
n×3
193471917
n×4
257962556
n×5
322453195
n÷2
32245319.5
n÷3
21496879.666667
n÷3
16122659.75
n÷5
12898127.8
n2
4159042518628321
n3
2.6821930965451E+23
n4
1.7297634671758E+31
n5
1.1155355131702E+39
2 √n
8030.6063905536
3 √n
401.01956360048
4 √n
89.613650693148
5 √n
36.46694113663
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
-64490638
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 64490639 can be divided by 4 positive divisors.
The sum of these divisors (counting 64490639) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110110000000110010001111
3
Ternary
11111100110112012
4
Quaternary
3312000302033
5
Quinary
113002200024
6
Senary
10222131435
8
Octal
366006217
10
Decimal
64490639
12
Duodecimal
19720b7b
16
Hexadecimal
3d80c8f
20
Vigesimal
10316bj
36
Base36
12e9an
md5
4daf45a029eb34deab6a103111f70ed1
sha1
b69aeed26bd4067ffa1bf60c53ac7151d67925f5
sha256
252a7ef5d7a318033f2560ca6351250b99ceff4fc566e991822402475c7e202f
sha512
dcf052d9a9579bae89832234b4975a69ace732f5e532bd6d0a910f1bade9da646558fcc53790486f0c18ead5853968059f74f28eba3605a255539fac9ce8287d
ripemd-160
1796a4fa05c6f34bf6289d59d0b0085f0a3cdbd8
Diameter
128981278
Circumference
405206635.41542
Area
1.306601742249E+16
Volume
1.1235144170154E+24
Surface area
5.2264069689961E+16
Circumference
405206635.41542
Perimeter
257962556
Area
4159042518628321
Diagonal
91203536.319907
Surface area
24954255111769926
Volume
2.6821930965451E+23
Space diagonal
111701063.36058
Perimeter
193471917
Area
1.8009182382759E+15
Altitude
55850531.680291
Surface area
1.8009182382759E+15
Volume
3.1609948783646E+22
Height
30401178.773302