20642718 is an even 8-digits composite number following 20642717
and preceding 20642719 . In scientific notation, it is written as 2.0642718 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6828120 positive integers (up to 20642718) that are relatively prime to 20642718.
20642718 has 16 divisors, whose sum is 41602176
The reverse of 20642718 is 81724602
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million six hundred forty-two thousand seven hundred eighteen
Scientific notation
2.0642718 × 10^7
Engineering notation
2.0642718 × 10^6
Prime Factorization
2 × 3 × 131 × 26263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20642718
Product of the distinct prime numbers
The prime factorization of 20642718 is 2 × 3 × 131 × 26263.
Since it has a total of 4 prime factors.
2 , 9 , 75 , 81 , 635 , 697 , 2359 , 2102 , 29069 , 57510 , 684765 , 164192 , 662200 , 5148465 , 44651454 , 19712754 , 247519597 , 799239413 , 1088034749 , 1129951279
n×2
41285436
n×3
61928154
n×4
82570872
n×5
103213590
n÷2
10321359
n÷3
6880906
n÷3
5160679.5
n÷5
4128543.6
n2
426121806427524
n3
8.796312283734E+21
n4
1.8157979391306E+29
n5
3.7483004802453E+36
2 √n
4543.4257999884
3 √n
274.31883427875
4 √n
67.404938988092
5 √n
29.037109073508
1 , 2 , 3 , 6 , 131 , 262 , 393 , 786 , 26263 , 52526 , 78789 , 157578 , 3440453 , 6880906 , 10321359 , 20642718
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
-20642717
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 20642718 can be divided by 16 positive divisors.
The sum of these divisors (counting 20642718) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110101111101110011110
3
Ternary
1102211202111010
4
Quaternary
1032233232132
5
Quinary
20241031333
6
Senary
2014240050
8
Octal
116575636
10
Decimal
20642718
12
Duodecimal
6ab6026
16
Hexadecimal
13afb9e
20
Vigesimal
6906fi
36
Base36
cag0u
md5
45e7aa1cc1810aa0880a84383cb690f1
sha1
bba7f7457d7536acdee054cbb59de988be945d3e
sha256
e1c27e240ba12dc5eac86f2db5debf7a55627199609b2f9d8bdb27e2e18aa766
sha512
284a0d6c7e991da17f9456d4621f1b3c6168b10dd9dee86c71a088c22c7d4f7dda324b4d2e5941ecedb5a6f5e4cd4f63c813e9fa0b8c9df366cfc0307e9c777e
ripemd-160
a30d8e2739b55531fdcf5ef5941075446683f8b2
Diameter
41285436
Circumference
129702022.43785
Area
1.3387011366071E+15
Volume
3.6845906732347E+22
Surface area
5.3548045464285E+15
Circumference
129702022.43785
Perimeter
82570872
Area
426121806427524
Diagonal
29193211.759843
Surface area
2556730838565144
Volume
8.796312283734E+21
Space diagonal
35754236.382317
Perimeter
61928154
Area
1.8451615473638E+14
Altitude
17877118.191158
Surface area
1.8451615473638E+14
Volume
1.0366553442105E+21
Height
9731070.5866144