20405966 is an even 8-digits composite number following 20405965
and preceding 20405967 . In scientific notation, it is written as 2.0405966 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 8443680 positive integers (up to 20405966) that are relatively prime to 20405966.
20405966 has 16 divisors, whose sum is 36188640
The reverse of 20405966 is 66950402
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million four hundred five thousand nine hundred sixty-six
Scientific notation
2.0405966 × 10^7
Engineering notation
2.0405966 × 10^6
Prime Factorization
2 × 29 × 7 × 50261
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20405966
Product of the distinct prime numbers
The prime factorization of 20405966 is 2 × 29 × 7 × 50261.
Since it has a total of 4 prime factors.
6 , 3 , 7 , 98 , 699 , 348 , 124 , 962 , 72185 , 18327 , 391040 , 162330 , 2940286 , 6540280 , 29087531 , 69575554 , 46754304 , 630383527 , 7246987497 , 3747586864
n×2
40811932
n×3
61217898
n×4
81623864
n×5
102029830
n÷2
10202983
n÷3
6801988.6666667
n÷3
5101491.5
n÷5
4081193.2
n2
416403448393156
n3
8.4971146101935E+21
n4
1.7339183183371E+29
n5
3.5382278250764E+36
2 √n
4517.2963152753
3 √n
273.26607539412
4 √n
67.210834805672
5 √n
28.970195884985
1 , 2 , 7 , 14 , 29 , 58 , 203 , 406 , 50261 , 100522 , 351827 , 703654 , 1457569 , 2915138 , 10202983 , 20405966
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20405965
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20405966 can be divided by 16 positive divisors.
The sum of these divisors (counting 20405966) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101111011001110
3
Ternary
1102101201201112
4
Quaternary
1031311323032
5
Quinary
20210442331
6
Senary
2005212022
8
Octal
115657316
10
Decimal
20405966
12
Duodecimal
6a01012
16
Hexadecimal
1375ece
20
Vigesimal
67aei6
36
Base36
c5dce
md5
c88cb4e4cf15defb4c8bd36265d603e7
sha1
301f599b438eacce9aa03f1d8f7aa5c91534625a
sha256
e63e5c6b73cbbd1a63e287ec6516409c0cb33bd181eef768267e9d5e4cbed874
sha512
d78667715ec787269762829ebf2e33d9a7f04dc09f7acba3a205e99ec06359e8667d449d788bd9dd6f811af81d9910096bcdc1f1a7e9436f67cf4fcbe2c9e6d0
ripemd-160
dea506d9eef9bc69863c587725a1acc1c07a2a3c
Diameter
40811932
Circumference
128214465.75001
Area
1.3081700144014E+15
Volume
3.5592630448126E+22
Surface area
5.2326800576056E+15
Circumference
128214465.75001
Perimeter
81623864
Area
416403448393156
Diagonal
28858393.870524
Surface area
2498420690358936
Volume
8.4971146101935E+21
Space diagonal
35344169.889523
Perimeter
61217898
Area
1.8030798226596E+14
Altitude
17672084.944762
Surface area
1.8030798226596E+14
Volume
1.0013945602312E+21
Height
9619464.6235081