66705985 is an odd 8-digits composite number following 66705984
and preceding 66705986 . In scientific notation, it is written as 6.6705985 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 52974720 positive integers (up to 66705985) that are relatively prime to 66705985.
66705985 has 8 divisors, whose sum is 80632296
The reverse of 66705985 is 58950766
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-six million seven hundred five thousand nine hundred eighty-five
Scientific notation
6.6705985 × 10^7
Engineering notation
6.6705985 × 10^6
Prime Factorization
5 × 137 × 97381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66705985
Product of the distinct prime numbers
The prime factorization of 66705985 is 5 × 137 × 97381.
Since it has a total of 3 prime factors.
9 , 8 , 20 , 4 , 772 , 974 , 6312 , 7562 , 73347 , 24577 , 592735 , 916827 , 8056760 , 1942093 , 98555742 , 37750414 , 209745913 , 712657743 , 916448891 , 8513057693
n×2
133411970
n×3
200117955
n×4
266823940
n×5
333529925
n÷2
33352992.5
n÷3
22235328.333333
n÷3
16676496.25
n÷5
13341197
n2
4449688434820225
n3
2.9682084998779E+23
n4
1.9799727166973E+31
n5
1.3207603034042E+39
2 √n
8167.3732007298
3 √n
405.5598313874
4 √n
90.37352046219
5 √n
36.71410623911
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66705984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66705985 can be divided by 8 positive divisors.
The sum of these divisors (counting 66705985) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111110011101101001000001
3
Ternary
11122112000102001
4
Quaternary
3332131221001
5
Quinary
114034042420
6
Senary
10341424001
8
Octal
376355101
10
Decimal
66705985
12
Duodecimal
1a40b001
16
Hexadecimal
3f9da41
20
Vigesimal
10gi4j5
36
Base36
13pqo1
md5
c64a3beeb85074d16e6a183f351574b0
sha1
f52aeb5763a8e41a14392491107778e2a98ba513
sha256
9850c1b49583093de09c8694ef0338f3c0ff097f1d3497306f09723cc799e543
sha512
9798cc5fff6977294a955ede839b4ee677d672f8bb35fdba269344c12e29cd2066e88057fd23d03f0d34104fd24f9a608b3e9b7a178287a28ee89f6704d84c3e
ripemd-160
53b0f1aeda7e894240afdcf65b214f21ef2ff7f0
Diameter
133411970
Circumference
419126064.85294
Area
1.3979108497595E+16
Volume
1.2433202690052E+24
Surface area
5.5916433990379E+16
Circumference
419126064.85294
Perimeter
266823940
Area
4449688434820225
Diagonal
94336508.678456
Surface area
26698130608921350
Volume
2.9682084998779E+23
Space diagonal
115538155.18893
Perimeter
200117955
Area
1.9267716117401E+15
Altitude
57769077.594464
Surface area
1.9267716117401E+15
Volume
3.498067263732E+22
Height
31445502.892819