20388218 is an even 8-digits composite number following 20388217
and preceding 20388219 . In scientific notation, it is written as 2.0388218 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 9702000 positive integers (up to 20388218) that are relatively prime to 20388218.
20388218 has 16 divisors, whose sum is 32088960
The reverse of 20388218 is 81288302
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million three hundred eighty-eight thousand two hundred eighteen
Scientific notation
2.0388218 × 10^7
Engineering notation
2.0388218 × 10^6
Prime Factorization
2 × 29 × 71 × 4951
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20388218
Product of the distinct prime numbers
The prime factorization of 20388218 is 2 × 29 × 71 × 4951.
Since it has a total of 4 prime factors.
1 , 4 , 32 , 19 , 789 , 910 , 9618 , 6123 , 72851 , 38368 , 220886 , 350889 , 921962 , 3835322 , 45918649 , 79148787 , 870433084 , 173655638 , 2170994048 , 9754966906
n×2
40776436
n×3
61164654
n×4
81552872
n×5
101941090
n÷2
10194109
n÷3
6796072.6666667
n÷3
5097054.5
n÷5
4077643.6
n2
415679433215524
n3
8.4749629025145E+21
n4
1.7278939119838E+29
n5
3.5228677758398E+36
2 √n
4515.3314385546
3 √n
273.18682842204
4 √n
67.196215954134
5 √n
28.965154790568
1 , 2 , 29 , 58 , 71 , 142 , 2059 , 4118 , 4951 , 9902 , 143579 , 287158 , 351521 , 703042 , 10194109 , 20388218
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
-20388217
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 20388218 can be divided by 16 positive divisors.
The sum of these divisors (counting 20388218) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110001100101111010
3
Ternary
1102100211101012
4
Quaternary
1031301211322
5
Quinary
20204410333
6
Senary
2004553522
8
Octal
115614572
10
Decimal
20388218
12
Duodecimal
69b28a2
16
Hexadecimal
137197a
20
Vigesimal
678aai
36
Base36
c4zne
md5
5a051be5800ee581b2f886e65944d503
sha1
c3a82cbab7b6a79b1b91c1769df34384ff1f796f
sha256
4690e8f13d6a3c5145666c5afc371bc6917f78698f7df360ef900e6671d93c15
sha512
eea270ab267b3a290fdb0a7c05efa525e49095b63fe3df8ac92123831a7f4c6355f90bfe12247b2b0d256074630c33bc70dc59770e2e902fb37fdc159e87632e
ripemd-160
9b913fe4bba9a7fc2b19c2f706d87d30f4404f5c
Diameter
40776436
Circumference
128102951.77717
Area
1.3058954536383E+15
Volume
3.5499841591981E+22
Surface area
5.223581814553E+15
Circumference
128102951.77717
Perimeter
81552872
Area
415679433215524
Diagonal
28833294.408219
Surface area
2494076599293144
Volume
8.4749629025145E+21
Space diagonal
35313429.45179
Perimeter
61164654
Area
1.7999447449768E+14
Altitude
17656714.725895
Surface area
1.7999447449768E+14
Volume
9.9878395644541E+20
Height
9611098.1360731