64279985 is an odd 8-digits composite number following 64279984
and preceding 64279986 . In scientific notation, it is written as 6.4279985 × 10^7.
The sum of its digits is 50. It has a total of 5 prime factors and 32 positive divisors.
There are 39821760 positive integers (up to 64279985) that are relatively prime to 64279985.
64279985 has 32 divisors, whose sum is 96768000
The reverse of 64279985 is 58997246
Previous prime number is 199
Is Prime? no Number parity odd Number length 8 Sum of Digits 50 Digital Root 5
Name
sixty-four million two hundred seventy-nine thousand nine hundred eighty-five
Scientific notation
6.4279985 × 10^7
Engineering notation
6.4279985 × 10^6
Prime Factorization
11 × 7 × 5 × 199 × 839
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64279985 Product of the distinct prime numbers
The prime factorization of 64279985 is 11 × 7 × 5 × 199 × 839.
Since it has a total of 5 prime factors.
2 , 7 , 94 , 25 , 624 , 603 , 4170 , 4610 , 2815 , 6877 , 617919 , 590870 , 9352845 , 2366388 , 26312374 , 49213606 , 967394048 , 49811766 , 3754593393 , 2091954218
n×2
128559970
n×3
192839955
n×4
257119940
n×5
321399925
n÷2
32139992.5
n÷3
21426661.666667
n÷3
16069996.25
n÷5
12855997
n2
4131916471600225
n3
2.6559952881572E+23
n4
1.7072733728281E+31
n5
1.0974350679629E+39
2 √n8017.479965675
3 √n400.58245354135
4 √n89.540381759712
5 √n36.443086624377
1 , 5 , 7 , 11 , 35 , 55 , 77 , 199 , 385 , 839 , 995 , 1393 , 2189 , 4195 , 5873 , 6965 , 9229 , 10945 , 15323 , 29365 , 46145 , 64603 , 76615 , 166961 , 323015 , 834805 , 1168727 , 1836571 , 5843635 , 9182855 , 12855997 , 64279985
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-64279984 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64279985 can be divided by 32 positive divisors.
The sum of these divisors (counting 64279985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11110101001101010110110001
3
Ternary
11110221202120012
4
Quaternary
3311031112301
5
Quinary
112423424420
6
Senary
10213424305
8
Octal
365152661
10
Decimal
64279985
12
Duodecimal
1963b095
16
Hexadecimal
3d4d5b1
20
Vigesimal
101ejj5
36
Base36
129qr5
md5
79e7f4f9b3770391599563f78f87bba0
sha1
6175284f2c66a7d0f6de6372ee7cc5b0f23964a0
sha256
e17452e33e1b88b1dbde7ef3b12c4e7b739ed44ece8757c46b41c4b4f44aca27
sha512
5622aff3e89396309fd0cb0b5860ade9ada8a6a265765d4f4565fdb1a241f43e6fd303252ecbc68a9457ed603b095ba0f29e8608e149007188cbf208c7dbcca8
ripemd-160
68b4b7bbd38e7cd058e0d7b9683ee6bff5618a84
Diameter
128559970
Circumference
403883057.29772
Area
1.2980798432426E+16
Volume
1.1125407046991E+24
Surface area
5.1923193729704E+16
Circumference
403883057.29772
Perimeter
257119940
Area
4131916471600225
Diagonal
90905626.576139
Surface area
24791498829601350
Volume
2.6559952881572E+23
Space diagonal
111336199.92977
Perimeter
192839955
Area
1.7891723153606E+15
Altitude
55668099.964883
Surface area
1.7891723153606E+15
Volume
3.1301204650924E+22
Height
30301875.52538