64839966 is an even 8-digits composite number following 64839965
and preceding 64839967 . In scientific notation, it is written as 6.4839966 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 21613320 positive integers (up to 64839966) that are relatively prime to 64839966.
64839966 has 8 divisors, whose sum is 129679944
The reverse of 64839966 is 66993846
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-four million eight hundred thirty-nine thousand nine hundred sixty-six
Scientific notation
6.4839966 × 10^7
Engineering notation
6.4839966 × 10^6
Prime Factorization
2 × 3 × 10806661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64839966
Product of the distinct prime numbers
The prime factorization of 64839966 is 2 × 3 × 10806661.
Since it has a total of 3 prime factors.
2 , 7 , 77 , 92 , 671 , 257 , 5072 , 7750 , 98375 , 54718 , 38804 , 315937 , 6406275 , 8090416 , 7522005 , 14071955 , 510845829 , 182628653 , 153871614 , 3294001768
n×2
129679932
n×3
194519898
n×4
259359864
n×5
324199830
n÷2
32419983
n÷3
21613322
n÷3
16209991.5
n÷5
12967993.2
n2
4204221190881156
n3
2.7260155907321E+23
n4
1.7675475821854E+31
n5
1.1460772513228E+39
2 √n
8052.3267444882
3 √n
401.74232887274
4 √n
89.734757727918
5 √n
36.506361975292
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64839965
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64839966 can be divided by 8 positive divisors.
The sum of these divisors (counting 64839966) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110111010110000100011110
3
Ternary
11112000012201020
4
Quaternary
3313112010132
5
Quinary
113044334331
6
Senary
10233425010
8
Octal
367260436
10
Decimal
64839966
12
Duodecimal
1986b166
16
Hexadecimal
3dd611e
20
Vigesimal
1054ji6
36
Base36
12lqu6
md5
b1d38ee41dc9f0277f2a7397ec1eac82
sha1
8238df36e3286d5c92e00bff140cf714ec824893
sha256
cbe9629558ab30141e79da996f91978c8f134f4748c619f6f18018cd9f839ec8
sha512
77981d03a69a092310f1cab6c1ee2789f4515d8b7461a7d3230fd2599eb2e65470040decec431a0c57a86c4a3f329a7019c229ae4201e989a6e2bf40f0f4da03
ripemd-160
f4a3839d8a7499e329e3e89bdc40df580b7c06d4
Diameter
129679932
Circumference
407401521.68922
Area
1.3207950407339E+16
Volume
1.1418707404554E+24
Surface area
5.2831801629355E+16
Circumference
407401521.68922
Perimeter
259359864
Area
4204221190881156
Diagonal
91697559.30101
Surface area
25225327145286936
Volume
2.7260155907321E+23
Space diagonal
112306115.47304
Perimeter
194519898
Area
1.820481177216E+15
Altitude
56153057.736519
Surface area
1.820481177216E+15
Volume
3.2126401830449E+22
Height
30565853.100337