20189898 is an even 8-digits composite number following 20189897
and preceding 20189899 . In scientific notation, it is written as 2.0189898 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 6729804 positive integers (up to 20189898) that are relatively prime to 20189898.
20189898 has 24 divisors, whose sum is 45366048
The reverse of 20189898 is 89898102
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million one hundred eighty-nine thousand eight hundred ninety-eight
Scientific notation
2.0189898 × 10^7
Engineering notation
2.0189898 × 10^6
Prime Factorization
2 × 9 × 3 × 9 × 41543
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2243322
Product of the distinct prime numbers
The prime factorization of 20189898 is 2 × 9 × 3 × 9 × 41543.
Since it has a total of 5 prime factors.
3 , 9 , 27 , 40 , 439 , 357 , 1644 , 7407 , 91846 , 21860 , 107622 , 361871 , 3204094 , 8013066 , 92477896 , 21259492 , 363186559 , 76228422 , 4838626504 , 6770063934
n×2
40379796
n×3
60569694
n×4
80759592
n×5
100949490
n÷2
10094949
n÷3
6729966
n÷3
5047474.5
n÷5
4037979.6
n2
407631981250404
n3
8.2300481229836E+21
n4
1.6616383213813E+29
n5
3.354830822158E+36
2 √n
4493.317037557
3 √n
272.29816100376
4 √n
67.03220895627
5 √n
28.908584358963
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 81 , 162 , 243 , 486 , 41543 , 83086 , 124629 , 249258 , 373887 , 747774 , 1121661 , 2243322 , 3364983 , 6729966 , 10094949 , 20189898
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
-20189897
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 20189898 can be divided by 24 positive divisors.
The sum of these divisors (counting 20189898) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000001001011001010
3
Ternary
1101222202100000
4
Quaternary
1031001023022
5
Quinary
20132034043
6
Senary
2000423430
8
Octal
115011312
10
Decimal
20189898
12
Duodecimal
6917b76
16
Hexadecimal
13412ca
20
Vigesimal
663eei
36
Base36
c0qmi
md5
40d3371360e311c1c3a50bbd6c1fd1e4
sha1
d6317c2b6243d515f15eb95dafafaf5b5422c530
sha256
93e5d9239a1c7da18a02e03f8433a648c0b2470a9156063419fa6b74752227cc
sha512
765747040bea4f509849ccb55f93bf03e57835f70ce6e6fa53908b3c88762adde4a7ebcc5ac894b07bf898deaf3bc6b9227a87eee2b4c5509ea09b9728b00172
ripemd-160
e19cfd13510b55e40903c7fe39a660a484416b68
Diameter
40379796
Circumference
126856870.46705
Area
1.2806136376645E+15
Volume
3.4473944962474E+22
Surface area
5.1224545506581E+15
Circumference
126856870.46705
Perimeter
80759592
Area
407631981250404
Diagonal
28552827.574529
Surface area
2445791887502424
Volume
8.2300481229836E+21
Space diagonal
34969929.135633
Perimeter
60569694
Area
1.7650982557892E+14
Altitude
17484964.567817
Surface area
1.7650982557892E+14
Volume
9.6992047287555E+20
Height
9517609.1915098