18902020 is an even 8-digits composite number following 18902019
and preceding 18902021 . In scientific notation, it is written as 1.8902020 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors.
There are 7544832 positive integers (up to 18902020) that are relatively prime to 18902020.
18902020 has 24 divisors, whose sum is 39778200
The reverse of 18902020 is 02020981
Previous prime number is 1229
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighteen million nine hundred two thousand twenty
Scientific notation
1.8902020 × 10^7
Engineering notation
1.8902020 × 10^6
Prime Factorization
2 × 2 × 5 × 1229 × 769
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9451010
Product of the distinct prime numbers
The prime factorization of 18902020 is 2 × 2 × 5 × 1229 × 769.
Since it has a total of 5 prime factors.
3 , 2 , 13 , 68 , 934 , 822 , 3218 , 1749 , 17491 , 12267 , 397735 , 916902 , 5798135 , 1465224 , 90768052 , 8834793 , 908600427 , 472536809 , 4574937907 , 656867530
n×2
37804040
n×3
56706060
n×4
75608080
n×5
94510100
n÷2
9451010
n÷3
6300673.3333333
n÷3
4725505
n÷5
3780404
n2
357286360080400
n3
6.7534339239669E+21
n4
1.276535430995E+29
n5
2.4129098247376E+36
2 √n
4347.6453397213
3 √n
266.38068995235
4 √n
65.936676741562
5 √n
28.529991592202
1 , 2 , 4 , 5 , 10 , 20 , 769 , 1229 , 1538 , 2458 , 3076 , 3845 , 4916 , 6145 , 7690 , 12290 , 15380 , 24580 , 945101 , 1890202 , 3780404 , 4725505 , 9451010 , 18902020
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18902019
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18902020 can be divided by 24 positive divisors.
The sum of these divisors (counting 18902020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001000000110110000000100
3
Ternary
1022120022200211
4
Quaternary
1020012300010
5
Quinary
14314331040
6
Senary
1513045204
8
Octal
110066004
10
Decimal
18902020
12
Duodecimal
63b6804
16
Hexadecimal
1206c04
20
Vigesimal
5i2f10
36
Base36
b94w4
md5
62ab939e3f22d542a3c39b68d70cae98
sha1
b2637541b7a5ac7a4b40d0de6c5b8fd2a7ee3efa
sha256
0ca38a9241ca60540e88bbd7a924f234534037b91f25b728cc82f8cc92641861
sha512
a0c1a3c99206154545341ff11950f8135be50f4ba931ee657e3f7b7ac67db91f53fee7b2c5fcbce1afb4d9cb78915db0fdd905d7721de25f0413979f6c951e70
ripemd-160
94276d40c210dbd3a1fc887e4c241f29b3033a63
Diameter
37804040
Circumference
118764894.34001
Area
1.1224482040564E+15
Volume
2.8288717869385E+22
Surface area
4.4897928162257E+15
Circumference
118764894.34001
Perimeter
75608080
Area
357286360080400
Diagonal
26731493.040247
Surface area
2143718160482400
Volume
6.7534339239669E+21
Space diagonal
32739259.005683
Perimeter
56706060
Area
1.5470953212765E+14
Altitude
16369629.502842
Surface area
1.5470953212765E+14
Volume
7.9589982065538E+20
Height
8910497.6800825