31909966 is an even 8-digits composite number following 31909965
and preceding 31909967 . In scientific notation, it is written as 3.1909966 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 14504520 positive integers (up to 31909966) that are relatively prime to 31909966.
31909966 has 8 divisors, whose sum is 52216344
The reverse of 31909966 is 66990913
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
thirty-one million nine hundred nine thousand nine hundred sixty-six
Scientific notation
3.1909966 × 10^7
Engineering notation
3.1909966 × 10^6
Prime Factorization
2 × 11 × 1450453
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31909966
Product of the distinct prime numbers
The prime factorization of 31909966 is 2 × 11 × 1450453.
Since it has a total of 3 prime factors.
10 , 3 , 72 , 60 , 341 , 315 , 1547 , 880 , 53415 , 30241 , 265547 , 502013 , 3058588 , 3959097 , 21924726 , 23800218 , 990594012 , 99073040 , 5300996448 , 5282492599
n×2
63819932
n×3
95729898
n×4
127639864
n×5
159549830
n÷2
15954983
n÷3
10636655.333333
n÷3
7977491.5
n÷5
6381993.2
n2
1018245930121156
n3
3.2492193009804E+22
n4
1.0368247742083E+30
n5
3.3085043292944E+37
2 √n
5648.8906875598
3 √n
317.18218057197
4 √n
75.159102493043
5 √n
31.680006957094
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
-31909965
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 31909966 can be divided by 8 positive divisors.
The sum of these divisors (counting 31909966) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111001101110100001001110
3
Ternary
2020001012020121
4
Quaternary
1321232201032
5
Quinary
31132104331
6
Senary
3055535154
8
Octal
171564116
10
Decimal
31909966
12
Duodecimal
a82a4ba
16
Hexadecimal
1e6e84e
20
Vigesimal
9j8ei6
36
Base36
izxvy
md5
24c12846eee698cd7e2b8b59b695b005
sha1
3aae735254e7360689d122b14e69d3a0f9128521
sha256
932e0bffb00c743b8c336c37610f935313e8da80132389be5534d3c172517ab8
sha512
f58cfde9a629b1f419f9ab1c0c990337d20ec485fce262b98b0a3c99cc0f388488109b11c562757563fdd51d824bdb95c2b19a5e6fbc120ab93f61c39d39c483
ripemd-160
bb697b15ac4a82aad578f01d4d36754ca4ae4e69
Diameter
63819932
Circumference
200496229.5238
Area
3.1989139336163E+15
Volume
1.361029798115E+23
Surface area
1.2795655734465E+16
Circumference
200496229.5238
Perimeter
127639864
Area
1018245930121156
Diagonal
45127506.692064
Surface area
6109475580726936
Volume
3.2492193009804E+22
Space diagonal
55269682.379795
Perimeter
95729898
Area
4.4091342139252E+14
Altitude
27634841.189898
Surface area
4.4091342139252E+14
Volume
3.8292416688091E+21
Height
15042502.230688