20783728 is an even 8-digits composite number following 20783727
and preceding 20783729 . In scientific notation, it is written as 2.0783728 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors.
There are 8907264 positive integers (up to 20783728) that are relatively prime to 20783728.
20783728 has 20 divisors, whose sum is 46021360
The reverse of 20783728 is 82738702
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million seven hundred eighty-three thousand seven hundred twenty-eight
Scientific notation
2.0783728 × 10^7
Engineering notation
2.0783728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 185569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2597966
Product of the distinct prime numbers
The prime factorization of 20783728 is 2 × 2 × 2 × 2 × 7 × 185569.
Since it has a total of 6 prime factors.
5 , 6 , 31 , 93 , 811 , 432 , 721 , 3269 , 92851 , 77960 , 138418 , 500850 , 8639063 , 3566043 , 30030259 , 95652822 , 85806277 , 84885583 , 1903433206 , 5202001226
n×2
41567456
n×3
62351184
n×4
83134912
n×5
103918640
n÷2
10391864
n÷3
6927909.3333333
n÷3
5195932
n÷5
4156745.6
n2
431963349577984
n3
8.9778087635977E+21
n4
1.8659233537863E+29
n5
3.8780843453943E+36
2 √n
4558.917415352
3 √n
274.94203957545
4 √n
67.519755741205
5 √n
29.076671504628
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 185569 , 371138 , 742276 , 1298983 , 1484552 , 2597966 , 2969104 , 5195932 , 10391864 , 20783728
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20783727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20783728 can be divided by 20 positive divisors.
The sum of these divisors (counting 20783728) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001111010010001001110000
3
Ternary
1110002220220201
4
Quaternary
1033102021300
5
Quinary
20310034403
6
Senary
2021244544
8
Octal
117221160
10
Decimal
20783728
12
Duodecimal
6b63754
16
Hexadecimal
13d2270
20
Vigesimal
69hj68
36
Base36
cdgts
md5
3e6e0288478957363581cab2e025b238
sha1
e476af3472ad202301040f58719ef3bcca80b92b
sha256
c34811ee9748a5b844f79b20714d26fce33002d452fb4d59b2d3ff2e7803b6c5
sha512
abf0db2eb5f5e29fb1574e605fed96fb03499c361e4984677eeed4405ffebc14df440c18aeaa229e07aca8f4151c77aa25381e13057828cd6851f56812d49618
ripemd-160
636dd67044e41ceaf06f71ae961e1edad391eb25
Diameter
41567456
Circumference
130588014.39802
Area
1.3570528856542E+15
Volume
3.7606157409404E+22
Surface area
5.4282115426169E+15
Circumference
130588014.39802
Perimeter
83134912
Area
431963349577984
Diagonal
29392630.014273
Surface area
2591780097467904
Volume
8.9778087635977E+21
Space diagonal
35998472.866692
Perimeter
62351184
Area
1.8704561711918E+14
Altitude
17999236.433346
Surface area
1.8704561711918E+14
Volume
1.0580449094893E+21
Height
9797543.3380911