64943931 is an odd 8-digits composite number following 64943930
and preceding 64943932 . In scientific notation, it is written as 6.4943931 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 39482016 positive integers (up to 64943931) that are relatively prime to 64943931.
64943931 has 16 divisors, whose sum is 94381056
The reverse of 64943931 is 13934946
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-four million nine hundred forty-three thousand nine hundred thirty-one
Scientific notation
6.4943931 × 10^7
Engineering notation
6.4943931 × 10^6
Prime Factorization
13 × 3 × 83 × 20063
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64943931
Product of the distinct prime numbers
The prime factorization of 64943931 is 13 × 3 × 83 × 20063.
Since it has a total of 4 prime factors.
10 , 1 , 91 , 87 , 894 , 527 , 7231 , 8550 , 18190 , 26872 , 779699 , 150877 , 2253163 , 3365017 , 6548448 , 82591085 , 979559625 , 818714988 , 4534202278 , 7137789697
n×2
129887862
n×3
194831793
n×4
259775724
n×5
324719655
n÷2
32471965.5
n÷3
21647977
n÷3
16235982.75
n÷5
12988786.2
n2
4217714173732761
n3
2.7391493827662E+23
n4
1.7789112851306E+31
n5
1.1552949175664E+39
2 √n
8058.7797463388
3 √n
401.95693333347
4 √n
89.770706504621
5 √n
36.518061401663
1 , 3 , 13 , 39 , 83 , 249 , 1079 , 3237 , 20063 , 60189 , 260819 , 782457 , 1665229 , 4995687 , 21647977 , 64943931
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
-64943930
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 64943931 can be divided by 16 positive divisors.
The sum of these divisors (counting 64943931) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111101111011100111011
3
Ternary
11112012111022210
4
Quaternary
3313233130323
5
Quinary
113111201211
6
Senary
10235550203
8
Octal
367573473
10
Decimal
64943931
12
Duodecimal
198bb363
16
Hexadecimal
3def73b
20
Vigesimal
105hjgb
36
Base36
12nz23
md5
9350e094e658ec632007b97581a111c5
sha1
8cf7484cae2bdb2a502f8f4499331003e93109e6
sha256
bf90013b71347851444d505fdebb05ee1bf85cc8be52a633d1922cbca463c6b9
sha512
a284d26b88635a9167a1e9d56c4b5c527fd0d8d080c5e182dc2c263cb1ecdf2923523c8ad4f5bd7d9bcbfb662fdb800cdb9adfa7a359f90f82ce7ee17603f2fd
ripemd-160
3817e0836bf8fac78ee2e89bb98c5198b51e11b9
Diameter
129887862
Circumference
408054753.04968
Area
1.325033986314E+16
Volume
1.1473722103978E+24
Surface area
5.3001359452562E+16
Circumference
408054753.04968
Perimeter
259775724
Area
4217714173732761
Diagonal
91844588.014022
Surface area
25306285042396566
Volume
2.7391493827662E+23
Space diagonal
112486188.13525
Perimeter
194831793
Area
1.8263238101771E+15
Altitude
56243094.067624
Surface area
1.8263238101771E+15
Volume
3.2281185053949E+22
Height
30614862.671341