20171728 is an even 8-digits composite number following 20171727
and preceding 20171729 . In scientific notation, it is written as 2.0171728 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 10 positive divisors.
There are 10085856 positive integers (up to 20171728) that are relatively prime to 20171728.
20171728 has 10 divisors, whose sum is 39082754
The reverse of 20171728 is 82717102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred seventy-one thousand seven hundred twenty-eight
Scientific notation
2.0171728 × 10^7
Engineering notation
2.0171728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1260733
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2521466
Product of the distinct prime numbers
The prime factorization of 20171728 is 2 × 2 × 2 × 2 × 1260733.
Since it has a total of 5 prime factors.
2 , 7 , 30 , 58 , 906 , 213 , 8062 , 9745 , 10836 , 16923 , 42357 , 103489 , 2563344 , 531370 , 72750095 , 46363739 , 879081302 , 468380255 , 5902336024 , 4013962538
n×2
40343456
n×3
60515184
n×4
80686912
n×5
100858640
n÷2
10085864
n÷3
6723909.3333333
n÷3
5042932
n÷5
4034345.6
n2
406898610505984
n3
8.2078480947047E+21
n4
1.655664792317E+29
n5
3.3397619849795E+36
2 √n
4491.2946908436
3 √n
272.21645112173
4 √n
67.017122370657
5 √n
28.903379199756
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20171727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20171728 can be divided by 10 positive divisors.
The sum of these divisors (counting 20171728) is 1, the average is 0.1.
Base
System
Value
2
Binary
1001100111100101111010000
3
Ternary
1101221211102001
4
Quaternary
1030330233100
5
Quinary
20130443403
6
Senary
2000203344
8
Octal
114745720
10
Decimal
20171728
12
Duodecimal
6909554
16
Hexadecimal
133cbd0
20
Vigesimal
661968
36
Base36
c0cls
md5
15b438e8f7424f105d489e1021b872ab
sha1
2d8459456498fbcfd70639b7ff5ec178c0228b8d
sha256
38e7ee80e291a2022089bd4e644c723d4d04532515eeb8954fcf6f3a29f8fee7
sha512
10e938faaaa55551f3aa69ca301dea6084dedf2c1edd619a69464fba6876540528f81ace69d9516ec3dd63b19f2b2d8e445367afe84545f23115442b9a3df305
ripemd-160
cc562ed3c53c22d8109fc0d538b835384010df35
Diameter
40343456
Circumference
126742704.99002
Area
1.2783096855215E+15
Volume
3.4380953701473E+22
Surface area
5.113238742086E+15
Circumference
126742704.99002
Perimeter
80686912
Area
406898610505984
Diagonal
28527131.314101
Surface area
2441391663035904
Volume
8.2078480947047E+21
Space diagonal
34938457.77246
Perimeter
60515184
Area
1.7619226673139E+14
Altitude
17469228.88623
Surface area
1.7619226673139E+14
Volume
9.6730417445246E+20
Height
9509043.771367