18421806 is an even 8-digits composite number following 18421805
and preceding 18421807 . In scientific notation, it is written as 1.8421806 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5570784 positive integers (up to 18421806) that are relatively prime to 18421806.
18421806 has 16 divisors, whose sum is 28828800
The reverse of 18421806 is 60812481
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighteen million four hundred twenty-one thousand eight hundred six
Scientific notation
1.8421806 × 10^7
Engineering notation
1.8421806 × 10^6
Prime Factorization
2 × 39 × 59 × 4003
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18421806
Product of the distinct prime numbers
The prime factorization of 18421806 is 2 × 39 × 59 × 4003.
Since it has a total of 4 prime factors.
3 , 1 , 12 , 46 , 524 , 426 , 6666 , 460 , 91206 , 32474 , 565444 , 166557 , 6789795 , 4302618 , 7419505 , 88590819 , 724292765 , 439099966 , 4131515221 , 252477610
n×2
36843612
n×3
55265418
n×4
73687224
n×5
92109030
n÷2
9210903
n÷3
6140602
n÷3
4605451.5
n÷5
3684361.2
n2
339362936301636
n3
6.2516781761391E+21
n4
1.1516720253527E+29
n5
2.1215878626674E+36
2 √n
4292.0631402625
3 √n
264.10547323682
4 √n
65.51383930333
5 √n
28.383532229585
1 , 2 , 39 , 59 , 78 , 118 , 2301 , 4003 , 4602 , 8006 , 156117 , 236177 , 312234 , 472354 , 9210903 , 18421806
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
-18421805
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 18421806 can be divided by 16 positive divisors.
The sum of these divisors (counting 18421806) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110010001100000101110
3
Ternary
1021122220222010
4
Quaternary
1012101200232
5
Quinary
14203444211
6
Senary
1454502050
8
Octal
106214056
10
Decimal
18421806
12
Duodecimal
6204926
16
Hexadecimal
119182e
20
Vigesimal
5f2ea6
36
Base36
ayucu
md5
ea8f02a22a1ed6d81711a1f6d8524da0
sha1
ec41a6b452b75ee762784d6601712bf31b306029
sha256
9cbfa2d68966393adb174920234b772affc7734cd6cfbe735afc424294c167a9
sha512
e8f5d8b2c3627745a5f645398f0ff2f43b459f71e1160bb1069fb21a1d4067e5cb0ed561950dc547792484b4e68246751e48b9076869ee90c844bfad219177cc
ripemd-160
69b28493f8cf23456fa4bc303fd91bfdee0be3a2
Diameter
36843612
Circumference
115747620.79091
Area
1.0661401075859E+15
Volume
2.6186968307688E+22
Surface area
4.2645604303435E+15
Circumference
115747620.79091
Perimeter
73687224
Area
339362936301636
Diagonal
26052367.888606
Surface area
2036177617809816
Volume
6.2516781761391E+21
Space diagonal
31907503.959177
Perimeter
55265418
Area
1.4694846197005E+14
Altitude
15953751.979589
Surface area
1.4694846197005E+14
Volume
7.3676733869065E+20
Height
8684122.6295354