20809437 is an odd 8-digits composite number following 20809436
and preceding 20809438 . In scientific notation, it is written as 2.0809437 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 12611760 positive integers (up to 20809437) that are relatively prime to 20809437.
20809437 has 8 divisors, whose sum is 30268320
The reverse of 20809437 is 73490802
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million eight hundred nine thousand four hundred thirty-seven
Scientific notation
2.0809437 × 10^7
Engineering notation
2.0809437 × 10^6
Prime Factorization
3 × 11 × 630589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20809437
Product of the distinct prime numbers
The prime factorization of 20809437 is 3 × 11 × 630589.
Since it has a total of 3 prime factors.
10 , 3 , 41 , 85 , 644 , 886 , 13 , 6870 , 1449 , 13685 , 472494 , 35474 , 8038669 , 6610459 , 47964216 , 93013666 , 326683632 , 10760212 , 326786763 , 2553034749
n×2
41618874
n×3
62428311
n×4
83237748
n×5
104047185
n÷2
10404718.5
n÷3
6936479
n÷3
5202359.25
n÷5
4161887.4
n2
433032668256969
n3
9.0111660290353E+21
n4
1.8751729177775E+29
n5
3.9021292696597E+36
2 √n
4561.7361826392
3 √n
275.05535855233
4 √n
67.540626164104
5 √n
29.083861384613
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
-20809436
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 20809437 can be divided by 8 positive divisors.
The sum of these divisors (counting 20809437) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011000011011011101
3
Ternary
1110011020011220
4
Quaternary
1033120123131
5
Quinary
20311400222
6
Senary
2022003553
8
Octal
117303335
10
Decimal
20809437
12
Duodecimal
6b765b9
16
Hexadecimal
13d86dd
20
Vigesimal
6a13bh
36
Base36
ce0nx
md5
6bea097223030c5c8b1a6f7b000adee1
sha1
c205bd9eda4a1a62808bb1bba9a70723865feb07
sha256
83e9789dbaacc544378055a5590ac3db9d32972b7e6d73583cab03aab145db05
sha512
a290a8c8f95f77e4595e1c08b6f8ac4f216c84dcfe0824ef937fbb545be8f42902a25dd87df2599c2904b7e23b50a29fa8da7e5dc2dfc683ce3f46e0967bd53f
ripemd-160
7c30bfca0b17eb98401fc58d95948ce7cb7c4f46
Diameter
41618874
Circumference
130749548.80908
Area
1.3604122493605E+15
Volume
3.7745883996127E+22
Surface area
5.4416489974419E+15
Circumference
130749548.80908
Perimeter
83237748
Area
433032668256969
Diagonal
29428988.030748
Surface area
2598196009541814
Volume
9.0111660290353E+21
Space diagonal
36043002.160904
Perimeter
62428311
Area
1.8750864568955E+14
Altitude
18021501.080452
Surface area
1.8750864568955E+14
Volume
1.0619761009215E+21
Height
9809662.6769162