20218813 is an odd 8-digits composite number following 20218812
and preceding 20218814 . In scientific notation, it is written as 2.0218813 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 20167488 positive integers (up to 20218813) that are relatively prime to 20218813.
20218813 has 4 divisors, whose sum is 20270140
The reverse of 20218813 is 31881202
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred eighteen thousand eight hundred thirteen
Scientific notation
2.0218813 × 10^7
Engineering notation
2.0218813 × 10^6
Prime Factorization
397 × 50929
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20218813
Product of the distinct prime numbers
The prime factorization of 20218813 is 397 × 50929.
Since it has a total of 2 prime factors.
9 , 6 , 24 , 97 , 266 , 497 , 4632 , 2528 , 98417 , 2071 , 897735 , 291251 , 6193859 , 7981088 , 57856089 , 74313273 , 288072721 , 65361846 , 5828422186 , 7234867478
n×2
40437626
n×3
60656439
n×4
80875252
n×5
101094065
n÷2
10109406.5
n÷3
6739604.3333333
n÷3
5054703.25
n÷5
4043762.6
n2
408800399128969
n3
8.265458824314E+21
n4
1.67117766328E+29
n5
3.3789228663636E+36
2 √n
4496.5334425533
3 √n
272.42808977028
4 √n
67.056196153326
5 √n
28.916859916158
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
-20218812
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 20218813 can be divided by 4 positive divisors.
The sum of these divisors (counting 20218813) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001000001110111101
3
Ternary
1102001012222221
4
Quaternary
1031020032331
5
Quinary
20134000223
6
Senary
2001205341
8
Octal
115101675
10
Decimal
20218813
12
Duodecimal
6930851
16
Hexadecimal
13483bd
20
Vigesimal
66770d
36
Base36
c1cxp
md5
8d2b420822572b9fc1e70c9bbad96663
sha1
7fb9d7d633ef9fd2f5c0c345b9df055a14abea40
sha256
7e45a37d96ce933e28198bfb989074596551cc9b074cede6e40c132a5e5ba72c
sha512
1c4292fde8ec9bd1790e03e2e7dcad576380482848fecbcd0617f993f2972c0507386be7add1c56cf8724ce7577305204108a64a13a4c588a0034ed5374d1dc9
ripemd-160
5f860d1ba99ac6a0722584da0f47db38b2d5cb17
Diameter
40437626
Circumference
127038548.77021
Area
1.2842843306881E+15
Volume
3.4622272961352E+22
Surface area
5.1371373227526E+15
Circumference
127038548.77021
Perimeter
80875252
Area
408800399128969
Diagonal
28593719.559685
Surface area
2452802394773814
Volume
8.265458824314E+21
Space diagonal
35020011.384734
Perimeter
60656439
Area
1.7701576536145E+14
Altitude
17510005.692367
Surface area
1.7701576536145E+14
Volume
9.7409366404843E+20
Height
9531239.8532285