20690638 is an even 8-digits composite number following 20690637
and preceding 20690639 . In scientific notation, it is written as 2.0690638 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10345318 positive integers (up to 20690638) that are relatively prime to 20690638.
20690638 has 4 divisors, whose sum is 31035960
The reverse of 20690638 is 83609602
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million six hundred ninety thousand six hundred thirty-eight
Scientific notation
2.0690638 × 10^7
Engineering notation
2.0690638 × 10^6
Prime Factorization
2 × 10345319
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20690638
Product of the distinct prime numbers
The prime factorization of 20690638 is 2 × 10345319.
Since it has a total of 2 prime factors.
10 , 3 , 25 , 73 , 809 , 931 , 6719 , 5262 , 5768 , 17141 , 298583 , 174960 , 7415555 , 5176040 , 1018751 , 48633073 , 297685870 , 945143824 , 539437949 , 7710041754
n×2
41381276
n×3
62071914
n×4
82762552
n×5
103453190
n÷2
10345319
n÷3
6896879.3333333
n÷3
5172659.5
n÷5
4138127.6
n2
428102500847044
n3
8.8577138719209E+21
n4
1.8327175123149E+29
n5
3.7920094603569E+36
2 √n
4548.6962967426
3 √n
274.53093812669
4 √n
67.444023432344
5 √n
29.050577920112
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20690637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20690638 can be divided by 4 positive divisors.
The sum of these divisors (counting 20690638) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111011011011001110
3
Ternary
1102221012012221
4
Quaternary
1032323123032
5
Quinary
20244100023
6
Senary
2015245554
8
Octal
116733316
10
Decimal
20690638
12
Duodecimal
6b198ba
16
Hexadecimal
13bb6ce
20
Vigesimal
6966bi
36
Base36
cbgzy
md5
3f71ceffb70b03339a8446894dfeea91
sha1
039eba744bfdd799d964cc3172965718c69734a6
sha256
0e05c4064a718175d96e7c1f7e65776d75b8268a29a3fb1fc27b19041a2d86c7
sha512
97c52cf6e70c8248c235458371424f564098f898d2cbfca99acaa59d9ffc673256a582d3f6e1332013758ff5f4396284c02210b832f798c6d7708d5f203da5c3
ripemd-160
17094dfcf4712c20615f0a0e5f4fc7c497b244e3
Diameter
41381276
Circumference
130003112.67777
Area
1.3449236716445E+15
Volume
3.7103105103503E+22
Surface area
5.379694686578E+15
Circumference
130003112.67777
Perimeter
82762552
Area
428102500847044
Diagonal
29260980.873752
Surface area
2568615005082264
Volume
8.8577138719209E+21
Space diagonal
35837236.257015
Perimeter
62071914
Area
1.8537382057859E+14
Altitude
17918618.128508
Surface area
1.8537382057859E+14
Volume
1.0438915907742E+21
Height
9753660.2912507