20218618 is an even 8-digits composite number following 20218617
and preceding 20218619 . In scientific notation, it is written as 2.0218618 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 8665116 positive integers (up to 20218618) that are relatively prime to 20218618.
20218618 has 8 divisors, whose sum is 34660512
The reverse of 20218618 is 81681202
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million two hundred eighteen thousand six hundred eighteen
Scientific notation
2.0218618 × 10^7
Engineering notation
2.0218618 × 10^6
Prime Factorization
2 × 7 × 1444187
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20218618
Product of the distinct prime numbers
The prime factorization of 20218618 is 2 × 7 × 1444187.
Since it has a total of 3 prime factors.
10 , 7 , 80 , 77 , 966 , 399 , 5891 , 1167 , 66968 , 88687 , 366456 , 85790 , 2741769 , 6448684 , 39339082 , 58968152 , 327527443 , 575300809 , 233627884 , 1335054539
n×2
40437236
n×3
60655854
n×4
80874472
n×5
101093090
n÷2
10109309
n÷3
6739539.3333333
n÷3
5054654.5
n÷5
4043723.6
n2
408792513829924
n3
8.2652196783869E+21
n4
1.6711131936339E+29
n5
3.3787599296844E+36
2 √n
4496.5117591306
3 √n
272.4272139581
4 √n
67.056034472153
5 √n
28.916804138309
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20218617
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20218618 can be divided by 8 positive divisors.
The sum of these divisors (counting 20218618) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000001011111010
3
Ternary
1102001012201201
4
Quaternary
1031020023322
5
Quinary
20133443433
6
Senary
2001204414
8
Octal
115101372
10
Decimal
20218618
12
Duodecimal
693070a
16
Hexadecimal
13482fa
20
Vigesimal
6676ai
36
Base36
c1csa
md5
a186230cd205b4f43b3500fdb01b8b3f
sha1
91793796abd0cf8dc42dfdc41c3686411a3f4884
sha256
358623c7359df4a6c72bfd2cb62da7e75e5df3f838d25f77d697ed48fef067ef
sha512
caf559a3470d91ae0ba87e912e7d9a4f8c62b31eba0ab46ebc281144ec7c8431b357d92b436eca553a0e7bc11836838bcd0519d7d9737686c80890781f39bdce
ripemd-160
0141ae8e3f79d4800a88fb75abe15e10a2813552
Diameter
40437236
Circumference
127037323.54908
Area
1.2842595582906E+15
Volume
3.4621271229235E+22
Surface area
5.1370382331624E+15
Circumference
127037323.54908
Perimeter
80874472
Area
408792513829924
Diagonal
28593443.788041
Surface area
2452755082979544
Volume
8.2652196783869E+21
Space diagonal
35019673.634827
Perimeter
60655854
Area
1.7701235092681E+14
Altitude
17509836.817413
Surface area
1.7701235092681E+14
Volume
9.7406548043065E+20
Height
9531147.9293469