64839961 is an odd 8-digits composite number following 64839960
and preceding 64839962 . In scientific notation, it is written as 6.4839961 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 64019124 positive integers (up to 64839961) that are relatively prime to 64839961.
64839961 has 4 divisors, whose sum is 65660800
The reverse of 64839961 is 16993846
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-four million eight hundred thirty-nine thousand nine hundred sixty-one
Scientific notation
6.4839961 × 10^7
Engineering notation
6.4839961 × 10^6
Prime Factorization
79 × 820759
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64839961
Product of the distinct prime numbers
The prime factorization of 64839961 is 79 × 820759.
Since it has a total of 2 prime factors.
10 , 10 , 17 , 48 , 939 , 144 , 4747 , 4978 , 24720 , 74725 , 552123 , 421700 , 813084 , 2963592 , 44392339 , 81441660 , 616660204 , 720953615 , 7363291735 , 5084574694
n×2
129679922
n×3
194519883
n×4
259359844
n×5
324199805
n÷2
32419980.5
n÷3
21613320.333333
n÷3
16209990.25
n÷5
12967992.2
n2
4204220542481521
n3
2.726014960099E+23
n4
1.7675470369824E+31
n5
1.146076809436E+39
2 √n
8052.3264340189
3 √n
401.74231854623
4 √n
89.734755997991
5 √n
36.50636141227
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
-64839960
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 64839961 can be divided by 4 positive divisors.
The sum of these divisors (counting 64839961) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110111010110000100011001
3
Ternary
11112000012201001
4
Quaternary
3313112010121
5
Quinary
113044334321
6
Senary
10233425001
8
Octal
367260431
10
Decimal
64839961
12
Duodecimal
1986b161
16
Hexadecimal
3dd6119
20
Vigesimal
1054ji1
36
Base36
12lqu1
md5
1227e19b1055b8ad8d6f4207255fc543
sha1
80e602bc3ed678d56354479e6fbbacf2eee668f0
sha256
14c4c15947fc450f2d96558d814f3122a2c9deb9323abbd71590f007ab52b4e8
sha512
e0044de78447d537544280ea2750261041d6187a82319abed7f0e2f2e0fa065cd3fb61d3bdc59147641af0fab99ca1d21abcc6a3d85ea4bac7163b6d179b7334
ripemd-160
93914011b0430cc259606c3ba43e4b57b3e83a5f
Diameter
129679922
Circumference
407401490.2733
Area
1.3207948370331E+16
Volume
1.1418704762964E+24
Surface area
5.2831793481325E+16
Circumference
407401490.2733
Perimeter
259359844
Area
4204220542481521
Diagonal
91697552.229943
Surface area
25225323254889126
Volume
2.726014960099E+23
Space diagonal
112306106.81278
Perimeter
194519883
Area
1.8204808964507E+15
Altitude
56153053.406392
Surface area
1.8204808964507E+15
Volume
3.2126394398366E+22
Height
30565850.743314