20806494 is an even 8-digits composite number following 20806493
and preceding 20806495 . In scientific notation, it is written as 2.0806494 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6906240 positive integers (up to 20806494) that are relatively prime to 20806494.
20806494 has 16 divisors, whose sum is 41788560
The reverse of 20806494 is 49460802
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million eight hundred six thousand four hundred ninety-four
Scientific notation
2.0806494 × 10^7
Engineering notation
2.0806494 × 10^6
Prime Factorization
2 × 3 × 241 × 14389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20806494
Product of the distinct prime numbers
The prime factorization of 20806494 is 2 × 3 × 241 × 14389.
Since it has a total of 4 prime factors.
10 , 2 , 37 , 50 , 580 , 523 , 7796 , 803 , 89026 , 67877 , 920554 , 218244 , 8003802 , 8126049 , 74158147 , 77806141 , 673979965 , 320436646 , 7096755578 , 9147002617
n×2
41612988
n×3
62419482
n×4
83225976
n×5
104032470
n÷2
10403247
n÷3
6935498
n÷3
5201623.5
n÷5
4161298.8
n2
432910192572036
n3
9.0073433242889E+21
n4
1.8741123483276E+29
n5
3.8993707330804E+36
2 √n
4561.4135966825
3 √n
275.04239126119
4 √n
67.538238033595
5 √n
29.083038693961
1 , 2 , 3 , 6 , 241 , 482 , 723 , 1446 , 14389 , 28778 , 43167 , 86334 , 3467749 , 6935498 , 10403247 , 20806494
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
-20806493
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 20806494 can be divided by 16 positive divisors.
The sum of these divisors (counting 20806494) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111101101011110
3
Ternary
1110011002010220
4
Quaternary
1033113231132
5
Quinary
20311301434
6
Senary
2021542210
8
Octal
117275536
10
Decimal
20806494
12
Duodecimal
6b74966
16
Hexadecimal
13d7b5e
20
Vigesimal
6a0g4e
36
Base36
cdye6
md5
72f3c979d8a0eb4bef15e8760d05e718
sha1
3badd7e32a62f9988d21f82b4201af2871e0fd34
sha256
aeabe8c9e1ea23e96cd589ce6bfeba0541ce504dc1152155623ccfd25b609756
sha512
0bb406b64c24a4bbadc6c07858be22c134dfecffcdc24e6e999afd6fbb4528a8d671b67f47dce97f4a74c5a6df38b176c618152dd58dc6a9e78282f1076fd353
ripemd-160
779e476f58ab92d356946fa46831433b3374a32c
Diameter
41612988
Circumference
130731057.39472
Area
1.3600274806485E+15
Volume
3.7729871487929E+22
Surface area
5.4401099225938E+15
Circumference
130731057.39472
Perimeter
83225976
Area
432910192572036
Diagonal
29424826.000234
Surface area
2597461155432216
Volume
9.0073433242889E+21
Space diagonal
36037904.735377
Perimeter
62419482
Area
1.874556121623E+14
Altitude
18018952.367688
Surface area
1.874556121623E+14
Volume
1.0615255908467E+21
Height
9808275.3334115