666989191 is an odd 9-digits composite number following 666989190
and preceding 666989192 . In scientific notation, it is written as 6.66989191 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 606353800 positive integers (up to 666989191) that are relatively prime to 666989191.
666989191 has 4 divisors, whose sum is 727624584
The reverse of 666989191 is 191989666
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-six million nine hundred eighty-nine thousand one hundred ninety-one
Scientific notation
6.66989191 × 10^8
Engineering notation
6.66989191 × 10^6
Prime Factorization
11 × 60635381
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
666989191
Product of the distinct prime numbers
The prime factorization of 666989191 is 11 × 60635381.
Since it has a total of 2 prime factors.
1 , 7 , 53 , 56 , 600 , 24 , 2508 , 919 , 32576 , 19661 , 161857 , 226931 , 3831017 , 9788977 , 67017289 , 49848333 , 463089931 , 564514453 , 7541179905 , 6475280796
n×2
1333978382
n×3
2000967573
n×4
2667956764
n×5
3334945955
n÷2
333494595.5
n÷3
222329730.33333
n÷3
166747297.75
n÷5
133397838.2
n2
444874580910834481
n3
2.9672653681818E+26
n4
1.9791339274059E+35
n5
1.3200609371211E+44
2 √n
25826.133876366
3 √n
873.72131750302
4 √n
160.70511465528
5 √n
58.186704270022
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
-666989190
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 666989191 can be divided by 4 positive divisors.
The sum of these divisors (counting 666989191) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110000010111001010000111
3
Ternary
1201111001120011101
4
Quaternary
213300113022013
5
Quinary
2331222123231
6
Senary
150103520531
8
Octal
4760271207
10
Decimal
666989191
12
Duodecimal
167459147
16
Hexadecimal
27c17287
20
Vigesimal
a88dcjb
36
Base36
b13w5j
md5
d118f11f0a81be955eb611a4074a7ee1
sha1
adcdb9c94c9f6a1f6c8a7b8fc2665ef99180d855
sha256
8cb192b625a348cc4a94a1b986837bbad07dc8a97ae2419820a199c2bee73f86
sha512
94727c89b8bbf16b6c878846646f6706f6ffc2941ae88d5a3b88cfec3e320f7f738f2d63d25c193cf325df4e4b4eff688ac53b8cd393a8b8927405f1ae8cae05
ripemd-160
e88cc8c0d20c8d3dc2faeed7d6c8167ee2311869
Diameter
1333978382
Circumference
4190816684.9388
Area
1.3976147151583E+18
Volume
1.2429252109242E+27
Surface area
5.5904588606333E+18
Circumference
4190816684.9388
Perimeter
2667956764
Area
444874580910834481
Diagonal
943265159.86846
Surface area
2669247485465006886
Volume
2.9672653681818E+26
Space diagonal
1155259166.9113
Perimeter
2000967573
Area
1.9263634428337E+17
Altitude
577629583.45563
Surface area
1.9263634428337E+17
Volume
3.4969557723689E+25
Height
314421719.95615