20808436 is an even 8-digits composite number following 20808435
and preceding 20808437 . In scientific notation, it is written as 2.0808436 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 9278880 positive integers (up to 20808436) that are relatively prime to 20808436.
20808436 has 24 divisors, whose sum is 40479264
The reverse of 20808436 is 63480802
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred eight thousand four hundred thirty-six
Scientific notation
2.0808436 × 10^7
Engineering notation
2.0808436 × 10^6
Prime Factorization
2 × 2 × 11 × 53 × 8923
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10404218
Product of the distinct prime numbers
The prime factorization of 20808436 is 2 × 2 × 11 × 53 × 8923.
Since it has a total of 5 prime factors.
5 , 8 , 69 , 4 , 270 , 855 , 772 , 460 , 12846 , 53665 , 29812 , 388568 , 7013930 , 3774108 , 47857717 , 23165575 , 14647477 , 808392441 , 2849465826 , 6452079067
n×2
41616872
n×3
62425308
n×4
83233744
n×5
104042180
n÷2
10404218
n÷3
6936145.3333333
n÷3
5202109
n÷5
4161687.2
n2
432991008766096
n3
9.0098656944847E+21
n4
1.8748121367228E+29
n5
3.901190835902E+36
2 √n
4561.6264643217
3 √n
275.05094813622
4 √n
67.539813919804
5 √n
29.083581574012
1 , 2 , 4 , 11 , 22 , 44 , 53 , 106 , 212 , 583 , 1166 , 2332 , 8923 , 17846 , 35692 , 98153 , 196306 , 392612 , 472919 , 945838 , 1891676 , 5202109 , 10404218 , 20808436
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20808435
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20808436 can be divided by 24 positive divisors.
The sum of these divisors (counting 20808436) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111011000001011110100
3
Ternary
1110011011210211
4
Quaternary
1033120023310
5
Quinary
20311332221
6
Senary
2021555204
8
Octal
117301364
10
Decimal
20808436
12
Duodecimal
6b75b04
16
Hexadecimal
13d82f4
20
Vigesimal
6a111g
36
Base36
cdzw4
md5
958fc36056d33146e8314838c472416f
sha1
a6ab46ef8a4f0c52bbe88521e719f9d44b15d15f
sha256
e1d41f01b623dd4975ab7aa53d2e1437265e44dec41e6f15c47bf5550286a230
sha512
04f5450216998572f92b1924946c67e112f4b59a8a50f40410041ada049f2356da05cbbae928d11424fcdf06b0d3c5f9b7ff4800aee807d5a42f8947fcda9ae0
ripemd-160
497e37adcb635736401631d793ba115ad21ca4a7
Diameter
41616872
Circumference
130743259.34059
Area
1.36028137221E+15
Volume
3.7740437167499E+22
Surface area
5.44112548884E+15
Circumference
130743259.34059
Perimeter
83233744
Area
432991008766096
Diagonal
29427572.402973
Surface area
2597946052596576
Volume
9.0098656944847E+21
Space diagonal
36041268.378045
Perimeter
62425308
Area
1.8749060660084E+14
Altitude
18020634.189023
Surface area
1.8749060660084E+14
Volume
1.061822855025E+21
Height
9809190.8009909