64778895 is an odd 8-digits composite number following 64778894
and preceding 64778896 . In scientific notation, it is written as 6.4778895 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 33356736 positive integers (up to 64778895) that are relatively prime to 64778895.
64778895 has 16 divisors, whose sum is 89352000
The reverse of 64778895 is 59887746
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-four million seven hundred seventy-eight thousand eight hundred ninety-five
Scientific notation
6.4778895 × 10^7
Engineering notation
6.4778895 × 10^6
Prime Factorization
5 × 9 × 29 × 49639
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64778895
Product of the distinct prime numbers
The prime factorization of 64778895 is 5 × 9 × 29 × 49639.
Since it has a total of 4 prime factors.
6 , 9 , 46 , 73 , 829 , 273 , 2626 , 657 , 44919 , 39105 , 477757 , 901759 , 2552601 , 5228604 , 80344391 , 58541711 , 629173419 , 77945604 , 9031179526 , 4414547862
n×2
129557790
n×3
194336685
n×4
259115580
n×5
323894475
n÷2
32389447.5
n÷3
21592965
n÷3
16194723.75
n÷5
12955779
n2
4196305237421025
n3
2.7183201636285E+23
n4
1.7608977645607E+31
n5
1.1406901139621E+39
2 √n
8048.5337173923
3 √n
401.6161591958
4 √n
89.713620578997
5 √n
36.499482513135
1 , 5 , 9 , 29 , 45 , 145 , 261 , 1305 , 49639 , 248195 , 446751 , 1439531 , 2233755 , 7197655 , 12955779 , 64778895
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
-64778894
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 64778895 can be divided by 16 positive divisors.
The sum of these divisors (counting 64778895) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111000111001010001111
3
Ternary
11111220002221100
4
Quaternary
3313013022033
5
Quinary
113040411040
6
Senary
10232234143
8
Octal
367071217
10
Decimal
64778895
12
Duodecimal
1983b953
16
Hexadecimal
3dc728f
20
Vigesimal
104h74f
36
Base36
12kfpr
md5
06d6d52b36d288ac31080d0c6eb8a881
sha1
bb877ebcf70db3e5193df6999eed5a1c30e5e25c
sha256
fd27d745eea51b1b1cc48a6e6d7d271c4ce75c342ca0d879f2284618f1aed30e
sha512
cf92e1f48fdd9422b9f8a9d2969d507f8a2bc058dca10169257a8d362e45f338c5e4176f2345c0330c88a38cbf15231578dbcf9c9728930751ead455f4de6d0c
ripemd-160
48f0aa1de2c0a2eca6c7c0896e8b316be5473b57
Diameter
129557790
Circumference
407017801.27933
Area
1.3183081706102E+16
Volume
1.138647287488E+24
Surface area
5.2732326824409E+16
Circumference
407017801.27933
Perimeter
259115580
Area
4196305237421025
Diagonal
91611191.864543
Surface area
25177831424526150
Volume
2.7183201636285E+23
Space diagonal
112200337.39817
Perimeter
194336685
Area
1.8170534688201E+15
Altitude
56100168.699085
Surface area
1.8170534688201E+15
Volume
3.2035710352297E+22
Height
30537063.954848