20685841 is an odd 8-digits composite number following 20685840
and preceding 20685842 . In scientific notation, it is written as 2.0685841 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 18331920 positive integers (up to 20685841) that are relatively prime to 20685841.
20685841 has 16 divisors, whose sum is 23143680
The reverse of 20685841 is 14858602
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million six hundred eighty-five thousand eight hundred forty-one
Scientific notation
2.0685841 × 10^7
Engineering notation
2.0685841 × 10^6
Prime Factorization
139 × 11 × 83 × 163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20685841
Product of the distinct prime numbers
The prime factorization of 20685841 is 139 × 11 × 83 × 163.
Since it has a total of 4 prime factors.
10 , 7 , 9 , 9 , 919 , 851 , 9466 , 1836 , 10046 , 19230 , 903611 , 310522 , 7675134 , 9180840 , 99157504 , 15596849 , 521759894 , 249338815 , 331824950 , 5487385106
n×2
41371682
n×3
62057523
n×4
82743364
n×5
103429205
n÷2
10342920.5
n÷3
6895280.3333333
n÷3
5171460.25
n÷5
4137168.2
n2
427904017877281
n3
8.8515544770706E+21
n4
1.8310184851552E+29
n5
3.7876157251981E+36
2 √n
4548.1689722349
3 √n
274.50972037116
4 √n
67.440113969617
5 √n
29.049230754814
1 , 11 , 83 , 139 , 163 , 913 , 1529 , 1793 , 11537 , 13529 , 22657 , 126907 , 148819 , 249227 , 1880531 , 20685841
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
-20685840
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 20685841 can be divided by 16 positive divisors.
The sum of these divisors (counting 20685841) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010010000010001
3
Ternary
1102220221122021
4
Quaternary
1032322100101
5
Quinary
20243421331
6
Senary
2015211441
8
Octal
116722021
10
Decimal
20685841
12
Duodecimal
6b16b81
16
Hexadecimal
13ba411
20
Vigesimal
695ec1
36
Base36
cbdap
md5
12540db3d8e4ff8f2e44c8bc1af82b8f
sha1
96896a56d13e02fd032d835cdbc448b74e341fcc
sha256
bf3dae61426a54f2874dc70ac3480f7bea42bfbd3aeee7cceae7b449f7ebb26c
sha512
33d9ee4a27ef1b1e0f76a084bfad2d0551f48c6d35797acbc2e414987ad5278b7aa10106d746252048f397f8fb512992b5999855f7f9dd5d0b1a189ae8fd33d9
ripemd-160
a6ff96bc46b52715a515496333b4fa840c5d1c9e
Diameter
41371682
Circumference
129972972.23785
Area
1.3443001190048E+15
Volume
3.7077304690686E+22
Surface area
5.3772004760193E+15
Circumference
129972972.23785
Perimeter
82743364
Area
427904017877281
Diagonal
29254196.891293
Surface area
2567424107263686
Volume
8.8515544770706E+21
Space diagonal
35828927.609291
Perimeter
62057523
Area
1.8528787493158E+14
Altitude
17914463.804646
Surface area
1.8528787493158E+14
Volume
1.0431656991298E+21
Height
9751398.9637645