20189728 is an even 8-digits composite number following 20189727
and preceding 20189729 . In scientific notation, it is written as 2.0189728 × 10^7.
The sum of its digits is 37. It has a total of 7 prime factors and 24 positive divisors.
There are 9318144 positive integers (up to 20189728) that are relatively prime to 20189728.
20189728 has 24 divisors, whose sum is 42806988
The reverse of 20189728 is 82798102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred eighty-nine thousand seven hundred twenty-eight
Scientific notation
2.0189728 × 10^7
Engineering notation
2.0189728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 13 × 48533
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1261858
Product of the distinct prime numbers
The prime factorization of 20189728 is 2 × 2 × 2 × 2 × 2 × 13 × 48533.
Since it has a total of 7 prime factors.
1 , 3 , 92 , 79 , 69 , 498 , 7912 , 3541 , 28255 , 4441 , 665785 , 916066 , 487248 , 4592185 , 18333494 , 19463832 , 520945507 , 792983077 , 3780377740 , 5370185800
n×2
40379456
n×3
60569184
n×4
80758912
n×5
100948640
n÷2
10094864
n÷3
6729909.3333333
n÷3
5047432
n÷5
4037945.6
n2
407625116713984
n3
8.2298402324236E+21
n4
1.6615823577609E+29
n5
3.3546895852791E+36
2 √n
4493.2981205346
3 √n
272.29739674668
4 √n
67.032067852145
5 √n
28.90853567644
1 , 2 , 4 , 8 , 13 , 16 , 26 , 32 , 52 , 104 , 208 , 416 , 48533 , 97066 , 194132 , 388264 , 630929 , 776528 , 1261858 , 1553056 , 2523716 , 5047432 , 10094864 , 20189728
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
-20189727
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 20189728 can be divided by 24 positive divisors.
The sum of these divisors (counting 20189728) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000001001000100000
3
Ternary
1101222202002201
4
Quaternary
1031001020200
5
Quinary
20132032403
6
Senary
2000422544
8
Octal
115011040
10
Decimal
20189728
12
Duodecimal
6917a54
16
Hexadecimal
1341220
20
Vigesimal
663e68
36
Base36
c0qhs
md5
921c0c168e3372e2202de0244fef84d2
sha1
330c29f731ad83240ae143b105551dda0a51c711
sha256
c907b2dd42bb9203eefd2b18998621940dfba74c16fb715dd2a3aa7385550cf7
sha512
93e2f29b40845772ef745d6c92ec3d758413c1c61bd0167e86a2e54dead3e191e9f9199dfe0bf2e3bd0ea6e0275e60f1e8be15dac7055c107374725de78d4a19
ripemd-160
f8ba6c99adacfbffe76b689637ed4936eba5e09c
Diameter
40379456
Circumference
126855802.32555
Area
1.2805920720873E+15
Volume
3.4473074152533E+22
Surface area
5.1223682883493E+15
Circumference
126855802.32555
Perimeter
80758912
Area
407625116713984
Diagonal
28552587.158224
Surface area
2445750700283904
Volume
8.2298402324236E+21
Space diagonal
34969634.686996
Perimeter
60569184
Area
1.7650685314745E+14
Altitude
17484817.343498
Surface area
1.7650685314745E+14
Volume
9.698959727381E+20
Height
9517529.0527413