20028638 is an even 8-digits composite number following 20028637
and preceding 20028639 . In scientific notation, it is written as 2.0028638 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 8583696 positive integers (up to 20028638) that are relatively prime to 20028638.
20028638 has 8 divisors, whose sum is 34334832
The reverse of 20028638 is 83682002
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million twenty-eight thousand six hundred thirty-eight
Scientific notation
2.0028638 × 10^7
Engineering notation
2.0028638 × 10^6
Prime Factorization
2 × 7 × 1430617
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20028638
Product of the distinct prime numbers
The prime factorization of 20028638 is 2 × 7 × 1430617.
Since it has a total of 3 prime factors.
8 , 3 , 89 , 19 , 604 , 36 , 5289 , 6721 , 2472 , 67122 , 407514 , 37506 , 6374117 , 937717 , 97035178 , 28621089 , 578414877 , 696878992 , 7142502831 , 175565915
n×2
40057276
n×3
60085914
n×4
80114552
n×5
100143190
n÷2
10014319
n÷3
6676212.6666667
n÷3
5007159.5
n÷5
4005727.6
n2
401146340135044
n3
8.0344148315897E+21
n4
1.6091838620374E+29
n5
3.2229761048189E+36
2 √n
4475.3366353829
3 √n
271.57125902289
4 √n
66.897956884967
5 √n
28.862256597352
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20028637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20028638 can be divided by 8 positive divisors.
The sum of these divisors (counting 20028638) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011001110011011110
3
Ternary
1101200120010102
4
Quaternary
1030121303132
5
Quinary
20111404023
6
Senary
1553141102
8
Octal
114316336
10
Decimal
20028638
12
Duodecimal
685a792
16
Hexadecimal
1319cde
20
Vigesimal
653bbi
36
Base36
bxa72
md5
d9603dae51ad300b9f38d4615ad9bad3
sha1
c983b7439a92ce9b69a8881843ec7e1bf8575de4
sha256
ac7e149b362e50a69baddeb754a20568f7e02fa4dec6ecc4a5518b9aa3c71b02
sha512
700eca00f64c5dbe6dd289c18a04c45be75e47a7c5b09296cc279e92aff02916513365ef00766c0efd9b04a64c5b663c2031d73323ca98df8a4306698800d2c4
ripemd-160
08c2fd154443889336394755eca36c6a33922d57
Diameter
40057276
Circumference
125843644.00442
Area
1.2602383951827E+15
Volume
3.3654478147753E+22
Surface area
5.0409535807307E+15
Circumference
125843644.00442
Perimeter
80114552
Area
401146340135044
Diagonal
28324771.495461
Surface area
2406878040810264
Volume
8.0344148315897E+21
Space diagonal
34690618.622405
Perimeter
60085914
Area
1.7370146059605E+14
Altitude
17345309.311202
Surface area
1.7370146059605E+14
Volume
9.4686486838047E+20
Height
9441590.498487