18189898 is an even 8-digits composite number following 18189897
and preceding 18189899 . In scientific notation, it is written as 1.8189898 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 8473600 positive integers (up to 18189898) that are relatively prime to 18189898.
18189898 has 16 divisors, whose sum is 29181384
The reverse of 18189898 is 89898181
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighteen million one hundred eighty-nine thousand eight hundred ninety-eight
Scientific notation
1.8189898 × 10^7
Engineering notation
1.8189898 × 10^6
Prime Factorization
2 × 17 × 101 × 5297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18189898
Product of the distinct prime numbers
The prime factorization of 18189898 is 2 × 17 × 101 × 5297.
Since it has a total of 4 prime factors.
9 , 6 , 61 , 12 , 458 , 65 , 206 , 1679 , 62881 , 47399 , 828821 , 360874 , 245631 , 150201 , 16978983 , 74111631 , 213798610 , 412071112 , 224404224 , 3284162965
n×2
36379796
n×3
54569694
n×4
72759592
n×5
90949490
n÷2
9094949
n÷3
6063299.3333333
n÷3
4547474.5
n÷5
3637979.6
n2
330872389250404
n3
6.0185350114811E+21
n4
1.0947653796827E+29
n5
1.991367059036E+36
2 √n
4264.9616645405
3 √n
262.9925349797
4 √n
65.306673966299
5 √n
28.311706846534
1 , 2 , 17 , 34 , 101 , 202 , 1717 , 3434 , 5297 , 10594 , 90049 , 180098 , 534997 , 1069994 , 9094949 , 18189898
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18189897
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18189898 can be divided by 16 positive divisors.
The sum of these divisors (counting 18189898) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101011000111001001010
3
Ternary
1021020010211221
4
Quaternary
1011120321022
5
Quinary
14124034043
6
Senary
1445512254
8
Octal
105307112
10
Decimal
18189898
12
Duodecimal
611268a
16
Hexadecimal
1158e4a
20
Vigesimal
5ddeei
36
Base36
atvey
md5
df2d3967548502b3f78268325158c311
sha1
09c532aa8b459357d3b32f99487bb63bdd740379
sha256
5286661120d471972cfea203b6873d099d62c540a857f366d00b027dc0627824
sha512
a1a7b0931a5a76a8426c7398329d6b0acd45af24cf7c3e9902088ccb3fbbea90af714c7e940518e7da635c4a05d127c20bfa5ed0d418d9e5ffeb00cd573454f0
ripemd-160
afb09dc7e55664b457df25aff7463a7dd958c4db
Diameter
36379796
Circumference
114290499.8527
Area
1.0394662673448E+15
Volume
2.5210380503256E+22
Surface area
4.1578650693791E+15
Circumference
114290499.8527
Perimeter
72759592
Area
330872389250404
Diagonal
25724400.449783
Surface area
1985234335502424
Volume
6.0185350114811E+21
Space diagonal
31505827.520496
Perimeter
54569694
Area
1.4327194725085E+14
Altitude
15752913.760248
Surface area
1.4327194725085E+14
Volume
7.0929115323783E+20
Height
8574800.1499277