20698728 is an even 8-digits composite number following 20698727
and preceding 20698729 . In scientific notation, it is written as 2.0698728 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 16 positive divisors.
There are 6899568 positive integers (up to 20698728) that are relatively prime to 20698728.
20698728 has 16 divisors, whose sum is 51746880
The reverse of 20698728 is 82789602
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million six hundred ninety-eight thousand seven hundred twenty-eight
Scientific notation
2.0698728 × 10^7
Engineering notation
2.0698728 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 862447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5174682
Product of the distinct prime numbers
The prime factorization of 20698728 is 2 × 2 × 2 × 3 × 862447.
Since it has a total of 5 prime factors.
9 , 7 , 31 , 44 , 79 , 752 , 3779 , 3895 , 30571 , 29872 , 994598 , 150575 , 5445970 , 8355613 , 69940730 , 27179188 , 979337127 , 941757624 , 6628285735 , 6658659613
n×2
41397456
n×3
62096184
n×4
82794912
n×5
103493640
n÷2
10349364
n÷3
6899576
n÷3
5174682
n÷5
4139745.6
n2
428437340817984
n3
8.8681079826347E+21
n4
1.8355855500719E+29
n5
3.7994286021668E+36
2 √n
4549.585475623
3 √n
274.56671382211
4 √n
67.450615087062
5 √n
29.05284930901
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 862447 , 1724894 , 2587341 , 3449788 , 5174682 , 6899576 , 10349364 , 20698728
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
-20698727
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 20698728 can be divided by 16 positive divisors.
The sum of these divisors (counting 20698728) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111101011001101000
3
Ternary
1102221121022120
4
Quaternary
1032331121220
5
Quinary
20244324403
6
Senary
2015351240
8
Octal
116753150
10
Decimal
20698728
12
Duodecimal
6b22520
16
Hexadecimal
13bd668
20
Vigesimal
6976g8
36
Base36
cbn8o
md5
6240f35d57d0e4044124bc4835b7f95f
sha1
8af7fd7087e39bb9e27ba796825b2ea4b511117a
sha256
321646327ba6d6ecba9bea2ffdb44d0c897ed08937623c1f6ba3e911a8f2ba9d
sha512
3c710cc74dbf721b3f8be2746680055c2253581dc1e9b2e85ab4764caf10ff270a6247f9f1b09f7b9192e3117c1f116e3580d4991e7d7323657ca4d2411b37ca
ripemd-160
88dc91330642855713d1c2f707f25d7aba94f131
Diameter
41397456
Circumference
130053943.64691
Area
1.3459756024373E+15
Volume
3.7146643852648E+22
Surface area
5.3839024097493E+15
Circumference
130053943.64691
Perimeter
82794912
Area
428437340817984
Diagonal
29272421.861472
Surface area
2570624044907904
Volume
8.8681079826347E+21
Space diagonal
35851248.548049
Perimeter
62096184
Area
1.8551881053911E+14
Altitude
17925624.274024
Surface area
1.8551881053911E+14
Volume
1.0451165484693E+21
Height
9757473.9538239