66873890 is an even 8-digits composite number following 66873889
and preceding 66873891 . In scientific notation, it is written as 6.6873890 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 26749552 positive integers (up to 66873890) that are relatively prime to 66873890.
66873890 has 8 divisors, whose sum is 120373020
The reverse of 66873890 is 09837866
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-six million eight hundred seventy-three thousand eight hundred ninety
Scientific notation
6.6873890 × 10^7
Engineering notation
6.6873890 × 10^6
Prime Factorization
2 × 5 × 6687389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66873890
Product of the distinct prime numbers
The prime factorization of 66873890 is 2 × 5 × 6687389.
Since it has a total of 3 prime factors.
3 , 7 , 82 , 66 , 116 , 406 , 5871 , 2152 , 4181 , 28973 , 584031 , 818088 , 3788915 , 6116101 , 49431075 , 98428957 , 59284265 , 246710309 , 8816223535 , 1124091070
n×2
133747780
n×3
200621670
n×4
267495560
n×5
334369450
n÷2
33436945
n÷3
22291296.666667
n÷3
16718472.5
n÷5
13374778
n2
4472117163732100
n3
2.9906787127453E+23
n4
1.9999831926147E+31
n5
1.3374665602477E+39
2 √n
8177.6457492361
3 √n
405.89982321399
4 √n
90.430336443232
5 √n
36.73257020375
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
-66873889
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 66873890 can be divided by 8 positive divisors.
The sum of these divisors (counting 66873890) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111000110101000100010
3
Ternary
11122211112201202
4
Quaternary
3333012220202
5
Quinary
114104431030
6
Senary
10345201202
8
Octal
377065042
10
Decimal
66873890
12
Duodecimal
1a490202
16
Hexadecimal
3fc6a22
20
Vigesimal
10hj4ea
36
Base36
13tc82
md5
4e8b6add89229897d8e3952df4b346d2
sha1
9def58e37ecfad0a1fdf48349695004d058851ac
sha256
7a9546945bce8eb25f095f85461de060bbfa7bdb086da61447c2641475f12462
sha512
1461e53211a05e77722b2920b0a7a5581a5df872bc06fe210a10d49a1d3b698253e9f06859e9e157153a7e6174822f1cdb63649492e5b9928f4f9902fe82689c
ripemd-160
3260ab3dfb7f358c5449f428ba2222bcf77d1ca5
Diameter
133747780
Circumference
420181043.08194
Area
1.4049570427574E+16
Volume
1.2527325697611E+24
Surface area
5.6198281710294E+16
Circumference
420181043.08194
Perimeter
267495560
Area
4472117163732100
Diagonal
94573962.206647
Surface area
26832702982392600
Volume
2.9906787127453E+23
Space diagonal
115828975.17977
Perimeter
200621670
Area
1.9364835362462E+15
Altitude
57914487.589886
Surface area
1.9364835362462E+15
Volume
3.5245486635541E+22
Height
31524654.068882