64839931 is an odd 8-digits composite number following 64839930
and preceding 64839932 . In scientific notation, it is written as 6.4839931 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 58578240 positive integers (up to 64839931) that are relatively prime to 64839931.
64839931 has 8 divisors, whose sum is 71313984
The reverse of 64839931 is 13993846
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-four million eight hundred thirty-nine thousand nine hundred thirty-one
Scientific notation
6.4839931 × 10^7
Engineering notation
6.4839931 × 10^6
Prime Factorization
13 × 47 × 106121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64839931
Product of the distinct prime numbers
The prime factorization of 64839931 is 13 × 47 × 106121.
Since it has a total of 3 prime factors.
5 , 4 , 67 , 78 , 786 , 963 , 3755 , 3864 , 56059 , 52566 , 401596 , 149463 , 594611 , 5317909 , 33197486 , 20373728 , 864610144 , 576577921 , 7982288011 , 3949514726
n×2
129679862
n×3
194519793
n×4
259359724
n×5
324199655
n÷2
32419965.5
n÷3
21613310.333333
n÷3
16209982.75
n÷5
12967986.2
n2
4204216652084761
n3
2.7260111763023E+23
n4
1.7675437657667E+31
n5
1.1460741581179E+39
2 √n
8052.324571203
3 √n
401.74225658716
4 √n
89.734745618423
5 √n
36.506358034134
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
-64839930
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 64839931 can be divided by 8 positive divisors.
The sum of these divisors (counting 64839931) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110111010110000011111011
3
Ternary
11112000012122221
4
Quaternary
3313112003323
5
Quinary
113044334211
6
Senary
10233424511
8
Octal
367260373
10
Decimal
64839931
12
Duodecimal
1986b137
16
Hexadecimal
3dd60fb
20
Vigesimal
1054jgb
36
Base36
12lqt7
md5
a604503ced592b3f0ed1983e98539c83
sha1
dcd6a2c8b6371d96028be5ab46d888697fe12b57
sha256
c793d9c81ba4a132c7416f56ccd87a3e5f26d7e15be768206334301b371a0807
sha512
f84c8a6fa531e1ed0901918372de3dd861dd55324f2b320b41a2c8248a1c993b5f36d4abdef51a95deeba7766135bb5934ffebd180810e5956ccb148f0b6ead3
ripemd-160
d765cdadf660cea54723818135b46b08c2acca3c
Diameter
129679862
Circumference
407401301.77774
Area
1.3207936148289E+16
Volume
1.1418688913433E+24
Surface area
5.2831744593157E+16
Circumference
407401301.77774
Perimeter
259359724
Area
4204216652084761
Diagonal
91697509.803536
Surface area
25225299912508566
Volume
2.7260111763023E+23
Space diagonal
112306054.85126
Perimeter
194519793
Area
1.8204792118595E+15
Altitude
56153027.42563
Surface area
1.8204792118595E+15
Volume
3.2126349805894E+22
Height
30565836.601179