20128836 is an even 8-digits composite number following 20128835
and preceding 20128837 . In scientific notation, it is written as 2.0128836 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 5308416 positive integers (up to 20128836) that are relatively prime to 20128836.
20128836 has 24 divisors, whose sum is 39743704
The reverse of 20128836 is 63882102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred twenty-eight thousand eight hundred thirty-six
Scientific notation
2.0128836 × 10^7
Engineering notation
2.0128836 × 10^6
Prime Factorization
2 × 2 × 21 × 13 × 18433
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10064418
Product of the distinct prime numbers
The prime factorization of 20128836 is 2 × 2 × 21 × 13 × 18433.
Since it has a total of 5 prime factors.
5 , 3 , 30 , 68 , 959 , 796 , 5499 , 3941 , 51554 , 26272 , 983446 , 278548 , 4858196 , 2874430 , 86195431 , 58153624 , 170123871 , 130635378 , 9211217323 , 8225059439
n×2
40257672
n×3
60386508
n×4
80515344
n×5
100644180
n÷2
10064418
n÷3
6709612
n÷3
5032209
n÷5
4025767.2
n2
405170038714896
n3
8.1556012614058E+21
n4
1.6416276027223E+29
n5
3.304405278827E+36
2 √n
4486.5171347048
3 √n
272.0233724149
4 √n
66.981468591729
5 √n
28.891077035869
1 , 2 , 4 , 13 , 21 , 26 , 42 , 52 , 84 , 273 , 546 , 1092 , 18433 , 36866 , 73732 , 239629 , 387093 , 479258 , 774186 , 958516 , 1548372 , 5032209 , 10064418 , 20128836
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
-20128835
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 20128836 can be divided by 24 positive divisors.
The sum of these divisors (counting 20128836) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110010010001000100
3
Ternary
1101212122120110
4
Quaternary
1030302101010
5
Quinary
20123110321
6
Senary
1555233020
8
Octal
114622104
10
Decimal
20128836
12
Duodecimal
68a8770
16
Hexadecimal
1332444
20
Vigesimal
65g21g
36
Base36
bzfic
md5
ad758f3705e9ce1531d1a5a9052da825
sha1
473b1f592e6be7b178b0f001cd65563292d19553
sha256
6920fce8b217f31e6148d965d9afd07a61caf37b58d179831cee94fb784bab94
sha512
068e27a534c946ef6b1b8a9c239b2f115804a0010b03483916661ede866b211d859e7b118493b987c0bf7e96c9c1a91288202bc1eec2fa43b691cf770ccfeada
ripemd-160
5a7df38e9532c81c9a6ba98654ff6b402b970852
Diameter
40257672
Circumference
126473206.60583
Area
1.2728792170814E+15
Volume
3.416210267792E+22
Surface area
5.0915168683256E+15
Circumference
126473206.60583
Perimeter
80515344
Area
405170038714896
Diagonal
28466472.865984
Surface area
2431020232289376
Volume
8.1556012614058E+21
Space diagonal
34864166.649221
Perimeter
60386508
Area
1.7544377318971E+14
Altitude
17432083.324611
Surface area
1.7544377318971E+14
Volume
9.6114682609893E+20
Height
9488824.2886613