18189980 is an even 8-digits composite number following 18189979
and preceding 18189981 . In scientific notation, it is written as 1.8189980 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 7233920 positive integers (up to 18189980) that are relatively prime to 18189980.
18189980 has 24 divisors, whose sum is 38419920
The reverse of 18189980 is 08998181
Previous prime number is 179
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighteen million one hundred eighty-nine thousand nine hundred eighty
Scientific notation
1.8189980 × 10^7
Engineering notation
1.8189980 × 10^6
Prime Factorization
2 × 2 × 5 × 179 × 5081
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9094990
Product of the distinct prime numbers
The prime factorization of 18189980 is 2 × 2 × 5 × 179 × 5081.
Since it has a total of 5 prime factors.
3 , 7 , 6 , 57 , 65 , 995 , 340 , 6404 , 56709 , 81005 , 655148 , 759707 , 7424175 , 8495243 , 75357627 , 19405407 , 654055305 , 692608052 , 8359242678 , 6145425594
n×2
36379960
n×3
54569940
n×4
72759920
n×5
90949900
n÷2
9094990
n÷3
6063326.6666667
n÷3
4547495
n÷5
3637996
n2
330875372400400
n3
6.0186164064558E+21
n4
1.094785120611E+29
n5
1.9914119448212E+36
2 √n
4264.9712777462
3 √n
262.99293016893
4 √n
65.306747566742
5 √n
28.311732372304
1 , 2 , 4 , 5 , 10 , 20 , 179 , 358 , 716 , 895 , 1790 , 3580 , 5081 , 10162 , 20324 , 25405 , 50810 , 101620 , 909499 , 1818998 , 3637996 , 4547495 , 9094990 , 18189980
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
-18189979
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 18189980 can be divided by 24 positive divisors.
The sum of these divisors (counting 18189980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000101011000111010011100
3
Ternary
1021020010221222
4
Quaternary
1011120322130
5
Quinary
14124034410
6
Senary
1445512512
8
Octal
105307234
10
Decimal
18189980
12
Duodecimal
6112738
16
Hexadecimal
1158e9c
20
Vigesimal
5ddej0
36
Base36
atvh8
md5
96bcc2ea250a50adeb4d5c9dee32b84e
sha1
256c8261b346562b00aca764718cc51ddb5e54e4
sha256
13eda2736f7c35949ab89f0efdb65d4977612dc058e51feaf69d9f358b769324
sha512
35dc1e2b55e700394a4648862ecac7871dedc3c7e2c364127e4cab300fe94adfbb38a4899d63b560a0b0153bdedf310bb8c7aee6ab61ce24f1a92767493c4307
ripemd-160
3d2c381d504c1120a8b144f32a7055e00ae077ac
Diameter
36379960
Circumference
114291015.07389
Area
1.0394756391869E+15
Volume
2.5210721449729E+22
Surface area
4.1579025567475E+15
Circumference
114291015.07389
Perimeter
72759920
Area
330875372400400
Diagonal
25724516.415295
Surface area
1985252234402400
Volume
6.0186164064558E+21
Space diagonal
31505969.548662
Perimeter
54569940
Area
1.4327323899269E+14
Altitude
15752984.774331
Surface area
1.4327323899269E+14
Volume
7.0930074572759E+20
Height
8574838.8050985