20802018 is an even 8-digits composite number following 20802017
and preceding 20802019 . In scientific notation, it is written as 2.0802018 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 6898416 positive integers (up to 20802018) that are relatively prime to 20802018.
20802018 has 16 divisors, whose sum is 41817600
The reverse of 20802018 is 81020802
Previous prime number is 197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million eight hundred two thousand eighteen
Scientific notation
2.0802018 × 10^7
Engineering notation
2.0802018 × 10^6
Prime Factorization
2 × 3 × 197 × 17599
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20802018
Product of the distinct prime numbers
The prime factorization of 20802018 is 2 × 3 × 197 × 17599.
Since it has a total of 4 prime factors.
9 , 7 , 25 , 41 , 444 , 541 , 2867 , 778 , 71457 , 95839 , 875887 , 749744 , 9619341 , 1661258 , 41614142 , 39542931 , 70495779 , 691601122 , 5751994153 , 1553361271
n×2
41604036
n×3
62406054
n×4
83208072
n×5
104010090
n÷2
10401009
n÷3
6934006
n÷3
5200504.5
n÷5
4160403.6
n2
432723952872324
n3
9.0015314566812E+21
n4
1.8725001938945E+29
n5
3.8951782738397E+36
2 √n
4560.9229329161
3 √n
275.02266700213
4 √n
67.534605447253
5 √n
29.0817872877
1 , 2 , 3 , 6 , 197 , 394 , 591 , 1182 , 17599 , 35198 , 52797 , 105594 , 3467003 , 6934006 , 10401009 , 20802018
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
-20802017
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 20802018 can be divided by 16 positive divisors.
The sum of these divisors (counting 20802018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010110100111100010
3
Ternary
1110010212000010
4
Quaternary
1033112213202
5
Quinary
20311131033
6
Senary
2021505350
8
Octal
117264742
10
Decimal
20802018
12
Duodecimal
6b72256
16
Hexadecimal
13d69e2
20
Vigesimal
6a050i
36
Base36
cduxu
md5
0cc136d817826df4c785182dc18f6cbd
sha1
dffa158f06a2268e6b691934a248db1d92675716
sha256
f144e9ead90095a43c789d4b51b1a74c56252d3382cee85c9a9197415ea075bd
sha512
5dae4af6c1b357b837b63254e2d35ca6b2824451ec794afb13bbeb09071c1333200e05b89a01e7b65d2936038d06db1746e99ff55685288d3c17c4c6b64168ae
ripemd-160
5e3cee1a385ee2f053aaeba1813b4608a4be6133
Diameter
41604036
Circumference
130702933.85729
Area
1.359442391376E+15
Volume
3.7705526793823E+22
Surface area
5.4377695655041E+15
Circumference
130702933.85729
Perimeter
83208072
Area
432723952872324
Diagonal
29418495.980329
Surface area
2596343717233944
Volume
9.0015314566812E+21
Space diagonal
36030152.075962
Perimeter
62406054
Area
1.8737496800673E+14
Altitude
18015076.037981
Surface area
1.8737496800673E+14
Volume
1.0608406556806E+21
Height
9806165.3267764