66946989 is an odd 8-digits composite number following 66946988
and preceding 66946990 . In scientific notation, it is written as 6.6946989 × 10^7.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 44631324 positive integers (up to 66946989) that are relatively prime to 66946989.
66946989 has 4 divisors, whose sum is 89262656
The reverse of 66946989 is 98964966
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
sixty-six million nine hundred forty-six thousand nine hundred eighty-nine
Scientific notation
6.6946989 × 10^7
Engineering notation
6.6946989 × 10^6
Prime Factorization
3 × 22315663
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66946989
Product of the distinct prime numbers
The prime factorization of 66946989 is 3 × 22315663.
Since it has a total of 2 prime factors.
10 , 5 , 68 , 66 , 228 , 79 , 8715 , 9753 , 50668 , 59359 , 698480 , 314981 , 7707666 , 4111342 , 57541068 , 87406254 , 450820248 , 195719632 , 3763095909 , 983812772
n×2
133893978
n×3
200840967
n×4
267787956
n×5
334734945
n÷2
33473494.5
n÷3
22315663
n÷3
16736747.25
n÷5
13389397.8
n2
4481899336166121
n3
3.0004966555742E+23
n4
2.0087421659526E+31
n5
1.3447923968787E+39
2 √n
8182.1139688958
3 √n
406.04766400699
4 √n
90.455038383143
5 √n
36.740597076101
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66946988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66946989 can be divided by 4 positive divisors.
The sum of these divisors (counting 66946989) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111011000011110101101
3
Ternary
11122222021000010
4
Quaternary
3333120132231
5
Quinary
114114300424
6
Senary
10350523433
8
Octal
377303655
10
Decimal
66946989
12
Duodecimal
1a506579
16
Hexadecimal
3fd87ad
20
Vigesimal
10i8799
36
Base36
13uwml
md5
3ced4ed1f6f8594a19a666717dc4d884
sha1
111c00493aadd09a708dd41270721574bf3459ff
sha256
fcedfd871004260d81dd9a42cbe1bf12b1521205fb7151555e53966d0c3e3e80
sha512
d966ba934fec149dec907a44c7904d656a7e03e57f7bd0882adbbf26181fbd6d0d49e7267e2bb58ec9d5cb50da18b517f91096ae2dae078f79bdebe8663836cd
ripemd-160
8350ef41487b4709ede9adbff50a6a76673d8ac0
Diameter
133893978
Circumference
420640337.64471
Area
1.4080302028628E+16
Volume
1.2568451000364E+24
Surface area
5.6321208114514E+16
Circumference
420640337.64471
Perimeter
267787956
Area
4481899336166121
Diagonal
94677339.803842
Surface area
26891396016996726
Volume
3.0004966555742E+23
Space diagonal
115955586.36175
Perimeter
200840967
Area
1.9407193411622E+15
Altitude
57977793.180877
Surface area
1.9407193411622E+15
Volume
3.5361192201401E+22
Height
31559113.267947