20684909 is an odd 8-digits composite number following 20684908
and preceding 20684910 . In scientific notation, it is written as 2.0684909 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors.
There are 17729880 positive integers (up to 20684909) that are relatively prime to 20684909.
20684909 has 6 divisors, whose sum is 24062094
The reverse of 20684909 is 90948602
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million six hundred eighty-four thousand nine hundred nine
Scientific notation
2.0684909 × 10^7
Engineering notation
2.0684909 × 10^6
Prime Factorization
7 × 7 × 422141
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2954987
Product of the distinct prime numbers
The prime factorization of 20684909 is 7 × 7 × 422141.
Since it has a total of 3 prime factors.
4 , 10 , 46 , 1 , 208 , 777 , 2452 , 3659 , 24202 , 50228 , 503977 , 300458 , 6338523 , 174358 , 15638294 , 53159730 , 29146159 , 177600326 , 1879434524 , 7729015692
n×2
41369818
n×3
62054727
n×4
82739636
n×5
103424545
n÷2
10342454.5
n÷3
6894969.6666667
n÷3
5171227.25
n÷5
4136981.8
n2
427865460338281
n3
8.8503581113405E+21
n4
1.8306885215049E+29
n5
3.7867625474673E+36
2 √n
4548.0665122665
3 √n
274.50559763326
4 √n
67.43935432866
5 √n
29.048968987637
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
-20684908
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 20684909 can be divided by 6 positive divisors.
The sum of these divisors (counting 20684909) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001110111010000001101101
3
Ternary
1102220220100202
4
Quaternary
1032322001231
5
Quinary
20243404114
6
Senary
2015203245
8
Octal
116720155
10
Decimal
20684909
12
Duodecimal
6b16525
16
Hexadecimal
13ba06d
20
Vigesimal
695c59
36
Base36
cbckt
md5
e1b11956b39e562907e8578b5e95ec5e
sha1
408670f343dbc7cd15084c0954d8d28c55e7f741
sha256
91aa0c23c07f894beafbaaf4b5ac1afed17c57d4c990e09360f073f03e611da6
sha512
0b6ba2aaf9f63cd5f7f178c85d5ce8c6964c87788dcb865bb10ddd416cb2a231cd8b17e47648497215c7c3c6d362e3c9bb153c830b92c37ab8e7f8d879a40bd4
ripemd-160
efc2aca0310fa2a3261c2518f727b827f78990b8
Diameter
41369818
Circumference
129967116.30915
Area
1.3441789869236E+15
Volume
3.7072293365635E+22
Surface area
5.3767159476942E+15
Circumference
129967116.30915
Perimeter
82739636
Area
427865460338281
Diagonal
29252878.844253
Surface area
2567192762029686
Volume
8.8503581113405E+21
Space diagonal
35827313.337939
Perimeter
62054727
Area
1.8527117902744E+14
Altitude
17913656.668969
Surface area
1.8527117902744E+14
Volume
1.0430247060764E+21
Height
9750959.6147511