20809401 is an odd 8-digits composite number following 20809400
and preceding 20809402 . In scientific notation, it is written as 2.0809401 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13425360 positive integers (up to 20809401) that are relatively prime to 20809401.
20809401 has 8 divisors, whose sum is 28641024
The reverse of 20809401 is 10490802
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million eight hundred nine thousand four hundred one
Scientific notation
2.0809401 × 10^7
Engineering notation
2.0809401 × 10^6
Prime Factorization
3 × 31 × 223757
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20809401
Product of the distinct prime numbers
The prime factorization of 20809401 is 3 × 31 × 223757.
Since it has a total of 3 prime factors.
10 , 6 , 29 , 98 , 37 , 951 , 160 , 3354 , 32148 , 31168 , 986414 , 869326 , 3756619 , 3822837 , 79401162 , 12848631 , 733007707 , 429916046 , 8081382420 , 7518726981
n×2
41618802
n×3
62428203
n×4
83237604
n×5
104047005
n÷2
10404700.5
n÷3
6936467
n÷3
5202350.25
n÷5
4161880.2
n2
433031169978801
n3
9.011119261588E+21
n4
1.8751599417321E+29
n5
3.902095516664E+36
2 √n
4561.7322367715
3 √n
275.05519993842
4 √n
67.540596953029
5 √n
29.083851321682
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
-20809400
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 20809401 can be divided by 8 positive divisors.
The sum of these divisors (counting 20809401) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011000011010111001
3
Ternary
1110011020010120
4
Quaternary
1033120122321
5
Quinary
20311400101
6
Senary
2022003453
8
Octal
117303271
10
Decimal
20809401
12
Duodecimal
6b76589
16
Hexadecimal
13d86b9
20
Vigesimal
6a13a1
36
Base36
ce0mx
md5
993c1c31b42c0ffed1736fa42e9e5efc
sha1
0db7800faeb2543a34f84cf764d1990d76dc94e7
sha256
b7e8ef3877e25fe0a0dfa5062be363e91a5f27a94e6db04ccff215ec976c1502
sha512
79f3c421dc9e89a41c590f2656a244c06565a28fd7a24af4dfd71177eb6aeaad18b71659a976f0603c5a0fa034882e04d20e49710f2612a482964151674213bb
ripemd-160
0f03f5f46c6b8f911a3a2cef31f9e020abb97fd5
Diameter
41618802
Circumference
130749322.61441
Area
1.3604075423808E+15
Volume
3.7745688097102E+22
Surface area
5.4416301695232E+15
Circumference
130749322.61441
Perimeter
83237604
Area
433031169978801
Diagonal
29428937.11906
Surface area
2598187019872806
Volume
9.011119261588E+21
Space diagonal
36042939.807075
Perimeter
62428203
Area
1.8750799691607E+14
Altitude
18021469.903537
Surface area
1.8750799691607E+14
Volume
1.0619705893249E+21
Height
9809645.7063534