66871946 is an even 8-digits composite number following 66871945
and preceding 66871947 . In scientific notation, it is written as 6.6871946 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 33435972 positive integers (up to 66871946) that are relatively prime to 66871946.
66871946 has 4 divisors, whose sum is 100307922
The reverse of 66871946 is 64917866
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-six million eight hundred seventy-one thousand nine hundred forty-six
Scientific notation
6.6871946 × 10^7
Engineering notation
6.6871946 × 10^6
Prime Factorization
2 × 33435973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66871946
Product of the distinct prime numbers
The prime factorization of 66871946 is 2 × 33435973.
Since it has a total of 2 prime factors.
8 , 8 , 7 , 13 , 400 , 143 , 5801 , 6164 , 41853 , 29527 , 551683 , 286548 , 40765 , 3156217 , 94287735 , 35851494 , 523770157 , 582874393 , 1865803266 , 6607125021
n×2
133743892
n×3
200615838
n×4
267487784
n×5
334359730
n÷2
33435973
n÷3
22290648.666667
n÷3
16717986.5
n÷5
13374389.2
n2
4471857161826916
n3
2.990417906454E+23
n4
1.9997506475783E+31
n5
1.3372721731832E+39
2 √n
8177.5268877577
3 √n
405.89589005511
4 √n
90.429679241705
5 √n
36.732356640738
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
-66871945
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 66871946 can be divided by 4 positive divisors.
The sum of these divisors (counting 66871946) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111000110001010001010
3
Ternary
11122211110001202
4
Quaternary
3333012022022
5
Quinary
114104400241
6
Senary
10345144202
8
Octal
377061212
10
Decimal
66871946
12
Duodecimal
1a48b062
16
Hexadecimal
3fc628a
20
Vigesimal
10hijh6
36
Base36
13taq2
md5
df88a7b5c438798bb92d6e45c0776fe7
sha1
de7eb3e1ca5963209ce812d356ad8352a93fcd80
sha256
dea30c21219f4ada25cc28dcfccd8c08b13691cee7a60fbb06880bc411ddb7a9
sha512
c204928243104625753b997dc1e4089960fdf40e953b026714e157c74659e2fa943af3571d20597c834e9b1fe6ac46eba60a88dd8960194766ac3d215b21f6f1
ripemd-160
1a9fa0411dcb79fbae7047e478d9f932930fd97f
Diameter
133743892
Circumference
420168828.56971
Area
1.4048753607498E+16
Volume
1.2526233234772E+24
Surface area
5.6195014429993E+16
Circumference
420168828.56971
Perimeter
267487784
Area
4471857161826916
Diagonal
94571212.975481
Surface area
26831142970961496
Volume
2.990417906454E+23
Space diagonal
115825608.073
Perimeter
200615838
Area
1.9363709521187E+15
Altitude
57912804.036501
Surface area
1.9363709521187E+15
Volume
3.5242413003922E+22
Height
31523737.658494