20128746 is an even 8-digits composite number following 20128745
and preceding 20128747 . In scientific notation, it is written as 2.0128746 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6099600 positive integers (up to 20128746) that are relatively prime to 20128746.
20128746 has 16 divisors, whose sum is 43917408
The reverse of 20128746 is 64782102
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred twenty-eight thousand seven hundred forty-six
Scientific notation
2.0128746 × 10^7
Engineering notation
2.0128746 × 10^6
Prime Factorization
2 × 3 × 11 × 304981
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20128746
Product of the distinct prime numbers
The prime factorization of 20128746 is 2 × 3 × 11 × 304981.
Since it has a total of 4 prime factors.
8 , 3 , 53 , 57 , 729 , 183 , 9615 , 4530 , 84502 , 56114 , 810104 , 848544 , 5686673 , 9021064 , 61492230 , 80038891 , 193850473 , 209142349 , 722847667 , 505042260
n×2
40257492
n×3
60386238
n×4
80514984
n×5
100643730
n÷2
10064373
n÷3
6709582
n÷3
5032186.5
n÷5
4025749.2
n2
405166415532516
n3
8.1554918659845E+21
n4
1.6415982427547E+29
n5
3.3043314062455E+36
2 √n
4486.5071046416
3 √n
272.02296699089
4 √n
66.981393719761
5 √n
28.89105120028
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 304981 , 609962 , 914943 , 1829886 , 3354791 , 6709582 , 10064373 , 20128746
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20128745
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128746 can be divided by 16 positive divisors.
The sum of these divisors (counting 20128746) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010001111101010
3
Ternary
1101212122110010
4
Quaternary
1030302033222
5
Quinary
20123104441
6
Senary
1555232350
8
Octal
114621752
10
Decimal
20128746
12
Duodecimal
68a86b6
16
Hexadecimal
13323ea
20
Vigesimal
65g1h6
36
Base36
bzffu
md5
15db8877162981b8b79f458e105516d3
sha1
0a00a1b444c85a512742dea85ccebd3529d27cbb
sha256
284a39bd220d3d6dd4fd1df92a6fb7ef354a31e6442e059138dca0cc8bf419de
sha512
33b3edc62861c8cef5131844c5c41dada926a0d08be4fbc7d779cb80586f3b4236a1a18ea7198942a3abcbb8a219852f27f748facbf41987d0c1eb8ba4f7b09f
ripemd-160
5f050d58a432ac370a955fb4336c6b022d966952
Diameter
40257492
Circumference
126472641.11915
Area
1.2728678345183E+15
Volume
3.4161644443451E+22
Surface area
5.091471338073E+15
Circumference
126472641.11915
Perimeter
80514984
Area
405166415532516
Diagonal
28466345.586763
Surface area
2430998493195096
Volume
8.1554918659845E+21
Space diagonal
34864010.764649
Perimeter
60386238
Area
1.7544220430572E+14
Altitude
17432005.382324
Surface area
1.7544220430572E+14
Volume
9.6113393372489E+20
Height
9488781.8622544