66742785 is an odd 8-digits composite number following 66742784
and preceding 66742786 . In scientific notation, it is written as 6.6742785 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 35388576 positive integers (up to 66742785) that are relatively prime to 66742785.
66742785 has 32 divisors, whose sum is 111390720
The reverse of 66742785 is 58724766
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million seven hundred forty-two thousand seven hundred eighty-five
Scientific notation
6.6742785 × 10^7
Engineering notation
6.6742785 × 10^6
Prime Factorization
5 × 27 × 3 × 223 × 739
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
66742785
Product of the distinct prime numbers
The prime factorization of 66742785 is 5 × 27 × 3 × 223 × 739.
Since it has a total of 5 prime factors.
4 , 10 , 6 , 75 , 360 , 111 , 2204 , 3135 , 96492 , 50880 , 842806 , 192551 , 1682240 , 4086033 , 21930359 , 42265108 , 167805879 , 175588061 , 7101259783 , 2411720386
n×2
133485570
n×3
200228355
n×4
266971140
n×5
333713925
n÷2
33371392.5
n÷3
22247595
n÷3
16685696.25
n÷5
13348557
n2
4454599349556225
n3
2.9731236664857E+23
n4
1.9843455365067E+31
n5
1.3244074750877E+39
2 √n
8169.6257564224
3 √n
405.63439670128
4 √n
90.385982079205
5 √n
36.718156193746
1 , 3 , 5 , 15 , 27 , 81 , 135 , 223 , 405 , 669 , 739 , 1115 , 2217 , 3345 , 3695 , 6021 , 11085 , 18063 , 19953 , 30105 , 59859 , 90315 , 99765 , 164797 , 299295 , 494391 , 823985 , 2471955 , 4449519 , 13348557 , 22247595 , 66742785
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
-66742784
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 66742785 can be divided by 32 positive divisors.
The sum of these divisors (counting 66742785) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111110100110101000000001
3
Ternary
11122120212220000
4
Quaternary
3332212220001
5
Quinary
114041232120
6
Senary
10342310213
8
Octal
376465001
10
Decimal
66742785
12
Duodecimal
1a428369
16
Hexadecimal
3fa6a01
20
Vigesimal
10h2gj5
36
Base36
13qj29
md5
e20ade475f7b6650f0850cd750937103
sha1
40f17f0de68a05adfea3d55fcd907f866f40672e
sha256
57c5d39ce8ae486361d5b1c2de56b9c1a98f3542b0861f7cccd0d90ccf9664ca
sha512
e039caf81f000568b80acbd31f96001951a246df4795d21559cbd8dc0f58b3c16f7e8a948b98abb6906b9d0aec9a595882592c4b74dee9fbfc8f7c5f2c9912c7
ripemd-160
639f001dbd7525752c11ad8ce1568c513d77da80
Diameter
133485570
Circumference
419357286.07225
Area
1.3994536591252E+16
Volume
1.2453791291794E+24
Surface area
5.5978146365007E+16
Circumference
419357286.07225
Perimeter
266971140
Area
4454599349556225
Diagonal
94388551.737552
Surface area
26727596097337350
Volume
2.9731236664857E+23
Space diagonal
115601894.65865
Perimeter
200228355
Area
1.9288981001987E+15
Altitude
57800947.329323
Surface area
1.9288981001987E+15
Volume
3.5038598431304E+22
Height
31462850.579184