20998428 is an even 8-digits composite number following 20998427
and preceding 20998429 . In scientific notation, it is written as 2.0998428 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 6363120 positive integers (up to 20998428) that are relatively prime to 20998428.
20998428 has 12 divisors, whose sum is 37861040
The reverse of 20998428 is 82489902
Previous prime number is 33
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million nine hundred ninety-eight thousand four hundred twenty-eight
Scientific notation
2.0998428 × 10^7
Engineering notation
2.0998428 × 10^6
Prime Factorization
2 × 2 × 33 × 159079
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10499214
Product of the distinct prime numbers
The prime factorization of 20998428 is 2 × 2 × 33 × 159079.
Since it has a total of 4 prime factors.
5 , 10 , 99 , 6 , 653 , 1000 , 8934 , 6341 , 93384 , 68432 , 597304 , 891637 , 5345244 , 7527230 , 85845612 , 77809999 , 947165314 , 54349676 , 1598772568 , 7480586096
n×2
41996856
n×3
62995284
n×4
83993712
n×5
104992140
n÷2
10499214
n÷3
6999476
n÷3
5249607
n÷5
4199685.6
n2
440933978471184
n3
9.2589203996807E+21
n4
1.9442277337043E+29
n5
4.0825726081792E+36
2 √n
4582.4041724841
3 √n
275.88553329362
4 √n
67.693457383148
5 √n
29.136498351165
1 , 2 , 4 , 33 , 66 , 132 , 159079 , 318158 , 636316 , 5249607 , 10499214 , 20998428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20998427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20998428 can be divided by 12 positive divisors.
The sum of these divisors (counting 20998428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000110100100011100
3
Ternary
1110111211102120
4
Quaternary
1100012210130
5
Quinary
20333422203
6
Senary
2030022540
8
Octal
120064434
10
Decimal
20998428
12
Duodecimal
7047a50
16
Hexadecimal
140691c
20
Vigesimal
6b4g18
36
Base36
ci2ho
md5
059aed6ab5f1d4c02a4a11e7eca225ce
sha1
8588a8591ba33da03589c14efd34f86067ee4996
sha256
27af70a89c922c90a0f08c90f73b5115844d262abb4d7a841de93be0fc09ff1b
sha512
594b6a5c71822e5baf8516808bdc221a250c897897c78ca32c4f7f8321bd805d87e93d848919ebe9dffdcbebc6769ecf779b70e7f48119b740db80cd695a1f26
ripemd-160
d54d15abd0c261f7e58f176c131197343678a210
Diameter
41996856
Circumference
131937014.28347
Area
1.3852349474832E+15
Volume
3.8783675077079E+22
Surface area
5.5409397899328E+15
Circumference
131937014.28347
Perimeter
83993712
Area
440933978471184
Diagonal
29696261.666115
Surface area
2645603870827104
Volume
9.2589203996807E+21
Space diagonal
36370344.175077
Perimeter
62995284
Area
1.9093001337389E+14
Altitude
18185172.087538
Surface area
1.9093001337389E+14
Volume
1.0911742335134E+21
Height
9898753.888705