64839971 is an odd 8-digits composite number following 64839970
and preceding 64839972 . In scientific notation, it is written as 6.4839971 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 54571968 positive integers (up to 64839971) that are relatively prime to 64839971.
64839971 has 16 divisors, whose sum is 75456000
The reverse of 64839971 is 17993846
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-four million eight hundred thirty-nine thousand nine hundred seventy-one
Scientific notation
6.4839971 × 10^7
Engineering notation
6.4839971 × 10^6
Prime Factorization
7 × 89 × 523 × 199
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64839971
Product of the distinct prime numbers
The prime factorization of 64839971 is 7 × 89 × 523 × 199.
Since it has a total of 4 prime factors.
9 , 1 , 7 , 29 , 714 , 149 , 9003 , 3158 , 33142 , 38644 , 970332 , 810750 , 3832678 , 4071654 , 86523782 , 37735398 , 214671719 , 832129095 , 2820562934 , 5296062186
n×2
129679942
n×3
194519913
n×4
259359884
n×5
324199855
n÷2
32419985.5
n÷3
21613323.666667
n÷3
16209992.75
n÷5
12967994.2
n2
4204221839280841
n3
2.7260162213654E+23
n4
1.7675481273886E+31
n5
1.1460776932098E+39
2 √n
8052.3270549575
3 √n
401.74233919925
4 √n
89.734759457846
5 √n
36.506362538315
1 , 7 , 89 , 199 , 523 , 623 , 1393 , 3661 , 17711 , 46547 , 104077 , 123977 , 325829 , 728539 , 9262853 , 64839971
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
-64839970
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 64839971 can be divided by 16 positive divisors.
The sum of these divisors (counting 64839971) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111010110000100100011
3
Ternary
11112000012201102
4
Quaternary
3313112010203
5
Quinary
113044334341
6
Senary
10233425015
8
Octal
367260443
10
Decimal
64839971
12
Duodecimal
1986b16b
16
Hexadecimal
3dd6123
20
Vigesimal
1054jib
36
Base36
12lqub
md5
951253b94e2ea26c4d63ae35b719e8c5
sha1
cb273443aeba89d319f159cb68ade300c3f9f7dc
sha256
b9d060ad2a3d957d663303422d4a99562b5e39d3e304358a3a7c8e566ef9b1c8
sha512
a320a0184cd9e3d2d3ea7e87ccaac61196812e9d0e47240dfce82652f677db2b48aa2588778ac2b7527d90189765942c5f40bb9e697d9b718c05b75ebec509bc
ripemd-160
d27b76f30ef8c903a1a25cdba08d6b4e0bfa3c56
Diameter
129679942
Circumference
407401553.10515
Area
1.3207952444346E+16
Volume
1.1418710046144E+24
Surface area
5.2831809777386E+16
Circumference
407401553.10515
Perimeter
259359884
Area
4204221839280841
Diagonal
91697566.372078
Surface area
25225331035685046
Volume
2.7260162213654E+23
Space diagonal
112306124.13329
Perimeter
194519913
Area
1.8204814579813E+15
Altitude
56153062.066646
Surface area
1.8204814579813E+15
Volume
3.2126409262533E+22
Height
30565855.457359