20808412 is an even 8-digits composite number following 20808411
and preceding 20808413 . In scientific notation, it is written as 2.0808412 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors.
There are 10404204 positive integers (up to 20808412) that are relatively prime to 20808412.
20808412 has 6 divisors, whose sum is 36414728
The reverse of 20808412 is 21480802
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eight hundred eight thousand four hundred twelve
Scientific notation
2.0808412 × 10^7
Engineering notation
2.0808412 × 10^6
Prime Factorization
2 × 2 × 5202103
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10404206
Product of the distinct prime numbers
The prime factorization of 20808412 is 2 × 2 × 5202103.
Since it has a total of 3 prime factors.
6 , 1 , 1 , 12 , 685 , 993 , 4455 , 8183 , 56549 , 39080 , 18169 , 384378 , 5706574 , 6143499 , 81772495 , 42999450 , 635225180 , 601713346 , 8273912587 , 4528889687
n×2
41616824
n×3
62425236
n×4
83233648
n×5
104042060
n÷2
10404206
n÷3
6936137.3333333
n÷3
5202103
n÷5
4161682.4
n2
432990009961744
n3
9.0098345191681E+21
n4
1.8748034872667E+29
n5
3.9011683382082E+36
2 √n
4561.6238336803
3 √n
275.05084239024
4 √n
67.539794445055
5 √n
29.083574865134
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20808411
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20808412 can be divided by 6 positive divisors.
The sum of these divisors (counting 20808412) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001111011000001011011100
3
Ternary
1110011011202221
4
Quaternary
1033120023130
5
Quinary
20311332122
6
Senary
2021555124
8
Octal
117301334
10
Decimal
20808412
12
Duodecimal
6b75aa4
16
Hexadecimal
13d82dc
20
Vigesimal
6a110c
36
Base36
cdzvg
md5
f498237d63f780e05115435127407319
sha1
e3b6d78673a698c2e703c5204ceebe13237eecf0
sha256
9c7ad3cb8c534e6b8eca579d5f68d3b515d691a493e3e380ab2d4428fc8bc40d
sha512
c6fe15914723477d9e1a37a606bc2765469a80265c6bc9480b1157b56b704854efd476f3b3adc7eef29cee4fbd36c0ac60146fa0df1209f474fc4e001160a302
ripemd-160
ff87dcbef0422fdd6601f98508b3eef2e0f1d7ba
Diameter
41616824
Circumference
130743108.54414
Area
1.3602782343736E+15
Volume
3.7740306580638E+22
Surface area
5.4411129374943E+15
Circumference
130743108.54414
Perimeter
83233648
Area
432990009961744
Diagonal
29427538.461847
Surface area
2597940059770464
Volume
9.0098345191681E+21
Space diagonal
36041226.808826
Perimeter
62425236
Area
1.8749017410587E+14
Altitude
18020613.404413
Surface area
1.8749017410587E+14
Volume
1.0618191809787E+21
Height
9809179.4872824