20218788 is an even 8-digits composite number following 20218787
and preceding 20218789 . In scientific notation, it is written as 2.0218788 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 6739560 positive integers (up to 20218788) that are relatively prime to 20218788.
20218788 has 12 divisors, whose sum is 36693552
The reverse of 20218788 is 88781202
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million two hundred eighteen thousand seven hundred eighty-eight
Scientific notation
2.0218788 × 10^7
Engineering notation
2.0218788 × 10^6
Prime Factorization
2 × 2 × 27 × 187211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10109394
Product of the distinct prime numbers
The prime factorization of 20218788 is 2 × 2 × 27 × 187211.
Since it has a total of 4 prime factors.
7 , 6 , 6 , 67 , 148 , 516 , 6819 , 6343 , 17866 , 44950 , 769798 , 902947 , 6831333 , 4099180 , 68103758 , 94199044 , 806757105 , 843957662 , 765732536 , 5158683300
n×2
40437576
n×3
60656364
n×4
80875152
n×5
101093940
n÷2
10109394
n÷3
6739596
n÷3
5054697
n÷5
4043757.6
n2
408799388188944
n3
8.265428164322E+21
n4
1.6711693978365E+29
n5
3.3789019766945E+36
2 √n
4496.5306626331
3 √n
272.42797748698
4 √n
67.056175425036
5 √n
28.916852765176
1 , 2 , 4 , 27 , 54 , 108 , 187211 , 374422 , 748844 , 5054697 , 10109394 , 20218788
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20218787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20218788 can be divided by 12 positive divisors.
The sum of these divisors (counting 20218788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101001000001110100100
3
Ternary
1102001012222000
4
Quaternary
1031020032210
5
Quinary
20134000123
6
Senary
2001205300
8
Octal
115101644
10
Decimal
20218788
12
Duodecimal
6930830
16
Hexadecimal
13483a4
20
Vigesimal
6676j8
36
Base36
c1cx0
md5
89515ed80ffefea29bf549a5239bd7c4
sha1
3858907ef0c34cdc76e0e9281cdaaf9104995ab3
sha256
6fc06b7c8d59849f16a2e4ebfc72f254e3e0b57326f0309629535d256e6fbe6d
sha512
14b3b325e78bba17960cf3d0d9c289e048827f23e093bef9ba34f802069d2d78b422c4a1ff523ca7994185ed4210f4122747064ab39931f43046f8ebe3d26574
ripemd-160
2fe56203f67fe97fc9a5340c4ca9be93eedad6d1
Diameter
40437576
Circumference
127038391.69058
Area
1.2842811547264E+15
Volume
3.4622144533077E+22
Surface area
5.1371246189056E+15
Circumference
127038391.69058
Perimeter
80875152
Area
408799388188944
Diagonal
28593684.204346
Surface area
2452796329133664
Volume
8.265428164322E+21
Space diagonal
35019968.083464
Perimeter
60656364
Area
1.7701532761158E+14
Altitude
17509984.041732
Surface area
1.7701532761158E+14
Volume
9.7409005073372E+20
Height
9531228.0681155