20684409 is an odd 8-digits composite number following 20684408
and preceding 20684410 . In scientific notation, it is written as 2.0684409 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 13265280 positive integers (up to 20684409) that are relatively prime to 20684409.
20684409 has 16 divisors, whose sum is 28638720
The reverse of 20684409 is 90448602
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million six hundred eighty-four thousand four hundred nine
Scientific notation
2.0684409 × 10^7
Engineering notation
2.0684409 × 10^6
Prime Factorization
3 × 31 × 197 × 1129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20684409
Product of the distinct prime numbers
The prime factorization of 20684409 is 3 × 31 × 197 × 1129.
Since it has a total of 4 prime factors.
2 , 6 , 45 , 89 , 518 , 240 , 8079 , 6764 , 27522 , 49914 , 166127 , 466877 , 9200969 , 1403822 , 72636947 , 88592308 , 579400240 , 669911516 , 3675535558 , 3359906634
n×2
41368818
n×3
62053227
n×4
82737636
n×5
103422045
n÷2
10342204.5
n÷3
6894803
n÷3
5171102.25
n÷5
4136881.8
n2
427844775679281
n3
8.8497163286635E+21
n4
1.8305115207605E+29
n5
3.7863048974623E+36
2 √n
4548.011543521
3 √n
274.50338581296
4 √n
67.438946785377
5 √n
29.048828550713
1 , 3 , 31 , 93 , 197 , 591 , 1129 , 3387 , 6107 , 18321 , 34999 , 104997 , 222413 , 667239 , 6894803 , 20684409
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
-20684408
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 20684409 can be divided by 16 positive divisors.
The sum of these divisors (counting 20684409) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111001111001111001
3
Ternary
1102220212200020
4
Quaternary
1032321321321
5
Quinary
20243400114
6
Senary
2015201053
8
Octal
116717171
10
Decimal
20684409
12
Duodecimal
6b16189
16
Hexadecimal
13b9e79
20
Vigesimal
695b09
36
Base36
cbc6x
md5
956abc118665f80bafe6fbc1ae6641fb
sha1
d451effed88fc71f4c9c5c7a68afdc4c93b0f87e
sha256
282fec8e540b7e5eb99f1203382c5623c8f0d25dc0b0e76a904781e9f2d31f7f
sha512
f9edce577ae6dda32d4b50202e80a2d13167b9d1c7af038901162060a78b366ad3cde4f1e16d99b926b684755dacfed49af40ef57f19f7ef4d40d2f893eee0a8
ripemd-160
831a04ea1689f306d1b4bc3149b6a160103e5c3a
Diameter
41368818
Circumference
129963974.71649
Area
1.3441140041508E+15
Volume
3.7069605072644E+22
Surface area
5.3764560166032E+15
Circumference
129963974.71649
Perimeter
82737636
Area
427844775679281
Diagonal
29252171.737472
Surface area
2567068654075686
Volume
8.8497163286635E+21
Space diagonal
35826447.312535
Perimeter
62053227
Area
1.8526222230736E+14
Altitude
17913223.656267
Surface area
1.8526222230736E+14
Volume
1.0429490712625E+21
Height
9750723.9124907