66201991 is an odd 8-digits composite number following 66201990
and preceding 66201992 . In scientific notation, it is written as 6.6201991 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 63040608 positive integers (up to 66201991) that are relatively prime to 66201991.
66201991 has 8 divisors, whose sum is 69439680
The reverse of 66201991 is 19910266
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-six million two hundred one thousand nine hundred ninety-one
Scientific notation
6.6201991 × 10^7
Engineering notation
6.6201991 × 10^6
Prime Factorization
37 × 47 × 38069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66201991
Product of the distinct prime numbers
The prime factorization of 66201991 is 37 × 47 × 38069.
Since it has a total of 3 prime factors.
8 , 10 , 94 , 11 , 846 , 946 , 6959 , 3645 , 21896 , 17775 , 759793 , 661344 , 2424151 , 1872602 , 69891811 , 85561392 , 580187310 , 536747958 , 2471318743 , 5230192422
n×2
132403982
n×3
198605973
n×4
264807964
n×5
331009955
n÷2
33100995.5
n÷3
22067330.333333
n÷3
16550497.75
n÷5
13240398.2
n2
4382703612364081
n3
2.9014370510139E+23
n4
1.9208090953829E+31
n5
1.2716138644526E+39
2 √n
8136.4605941404
3 √n
404.53585195021
4 √n
90.202331422976
5 √n
36.658459461314
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
-66201990
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 66201991 can be divided by 8 positive divisors.
The sum of these divisors (counting 66201991) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111100100010100110000111
3
Ternary
11121120102001121
4
Quaternary
3330202212013
5
Quinary
113421430431
6
Senary
10322534411
8
Octal
374424607
10
Decimal
66201991
12
Duodecimal
1a207407
16
Hexadecimal
3f22987
20
Vigesimal
10df4jb
36
Base36
13exs7
md5
219403584282c755831c798f96e31684
sha1
77aeb0d51b08c84b6d95577161e2f86c3fad075f
sha256
c0ca270fc4f3ca661c447e78aa5e8181254dd3272ad0598a1ef6fe181f768094
sha512
ab2b03d116591aa492297680fbc8f016544f2d1a60b63cbb05b5d5a1b631277d94fd9006ee0b55acf74a374f0950b1503b0987faaa7c83a75b37140e9c10610c
ripemd-160
32ef9b7c9e5dc9345540ed54e6e0f5d10d88c910
Diameter
132403982
Circumference
415959377.15724
Area
1.3768669471464E+16
Volume
1.2153511099092E+24
Surface area
5.5074677885858E+16
Circumference
415959377.15724
Perimeter
264807964
Area
4382703612364081
Diagonal
93623753.528302
Surface area
26296221674184486
Volume
2.9014370510139E+23
Space diagonal
114665211.97422
Perimeter
198605973
Area
1.8977663327826E+15
Altitude
57332605.987109
Surface area
1.8977663327826E+15
Volume
3.4193763565964E+22
Height
31207917.842767