20198 is an even 5-digits composite number following 20197
and preceding 20199 . In scientific notation, it is written as 2.0198 × 10^4.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 10098 positive integers (up to 20198) that are relatively prime to 20198.
20198 has 4 divisors, whose sum is 30300
The reverse of 20198 is 89102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 20
Digital Root 2
Name
twenty thousand one hundred ninety-eight
Scientific notation
2.0198 × 10^4
Engineering notation
2.0198 × 10^3
Prime Factorization
2 × 10099
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20198
Product of the distinct prime numbers
The prime factorization of 20198 is 2 × 10099.
Since it has a total of 2 prime factors.
9 , 7 , 56 , 90 , 969 , 345 , 6447 , 9752 , 58234 , 31695 , 522263 , 732760 , 3594640 , 6631542 , 56599452 , 22820234 , 177545785 , 163358696 , 6663278539 , 2569770246
n×2
40396
n×3
60594
n×4
80792
n×5
100990
n÷2
10099
n÷3
6732.6666666667
n÷3
5049.5
n÷5
4039.6
n2
407959204
n3
8239960002392
n4
166430712128313616
n5
3.3615675235677E+21
2 √n
142.11966788591
3 √n
27.233457962366
4 √n
11.921395383339
5 √n
7.2620907808335
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
-20197
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 20198 can be divided by 4 positive divisors.
The sum of these divisors (counting 20198) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011100110
3
Ternary
1000201002
4
Quaternary
10323212
5
Quinary
1121243
6
Senary
233302
8
Octal
47346
10
Decimal
20198
12
Duodecimal
b832
16
Hexadecimal
4ee6
20
Vigesimal
2a9i
36
Base36
fl2
md5
980fa0783344cda361dc0ad7219b5bc7
sha1
d67f90266cd6fee8f610d4e8dfe89d887f2f1bbe
sha256
ff0f8da88592a3f813a275dcdd79bd24195cb6cd144c98d2b8008d87bb0227d9
sha512
773bfc9a46bbb5bab66a34660b404c80169a8e5ce2a5587d12932722f8adef016c5e03a81edf875d799b6bf294fe9a85a227d5fada9bc694674f63594c98f174
ripemd-160
52820e5c2e882dbb44c61d6aa13e08dc47125130
Diameter
40396
Circumference
126907.77683441
Area
1281641638.2507
Volume
34515463745851
Surface area
5126566553.003
Circumference
126907.77683441
Perimeter
80792
Area
407959204
Diagonal
28564.285532812
Surface area
2447755224
Volume
8239960002392
Space diagonal
34983.962211276
Perimeter
60594
Area
176651517.18584
Altitude
17491.981105638
Surface area
176651517.18584
Volume
971088599066.22
Height
9521.4285109373