20843145 is an odd 8-digits composite number following 20843144
and preceding 20843146 . In scientific notation, it is written as 2.0843145 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 11116320 positive integers (up to 20843145) that are relatively prime to 20843145.
20843145 has 8 divisors, whose sum is 27790920
The reverse of 20843145 is 54134802
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eight hundred forty-three thousand one hundred forty-five
Scientific notation
2.0843145 × 10^7
Engineering notation
2.0843145 × 10^6
Prime Factorization
5 × 9 × 463181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20843145
Product of the distinct prime numbers
The prime factorization of 20843145 is 5 × 9 × 463181.
Since it has a total of 3 prime factors.
10 , 7 , 97 , 12 , 562 , 993 , 5043 , 3584 , 67421 , 76137 , 493691 , 829230 , 8761380 , 1787165 , 90084243 , 226200 , 350236667 , 745298971 , 1003119669 , 356600425
n×2
41686290
n×3
62529435
n×4
83372580
n×5
104215725
n÷2
10421572.5
n÷3
6947715
n÷3
5210786.25
n÷5
4168629
n2
434436693491025
n3
9.055026995754E+21
n4
1.8873524065141E+29
n5
3.9338359875073E+36
2 √n
4565.4293335896
3 √n
275.20379384108
4 √n
67.567960851202
5 √n
29.093277537541
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20843144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20843145 can be divided by 8 positive divisors.
The sum of these divisors (counting 20843145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100000101010001001
3
Ternary
1110012221102100
4
Quaternary
1033200222021
5
Quinary
20313440040
6
Senary
2022424013
8
Octal
117405211
10
Decimal
20843145
12
Duodecimal
6b92009
16
Hexadecimal
13e0a89
20
Vigesimal
6a57h5
36
Base36
ceqo9
md5
6d628d11b04592b409558bd0cc895720
sha1
0f3ebe1f45f25c982d9023737a23ee89de471208
sha256
851c1930be5a3d68ab4b40e5d4251a5a806a659a732f13e8a7d2290db28a398d
sha512
219c752d415bbb079bc6bbd7e9ba90508319328b4c07b2412fec29ba79959609361ac7ab9723f8bcfd360c526dd41e7025aeb4faec7fbbeffecdb6ceda0e1263
ripemd-160
6ed8188a8e015d187a15ee6caab611a331b55f46
Diameter
41686290
Circumference
130961342.41941
Area
1.3648231247212E+15
Volume
3.7929608383891E+22
Surface area
5.459292498885E+15
Circumference
130961342.41941
Perimeter
83372580
Area
434436693491025
Diagonal
29476658.341509
Surface area
2606620160946150
Volume
9.055026995754E+21
Space diagonal
36101386.129525
Perimeter
62529435
Area
1.8811660644967E+14
Altitude
18050693.064763
Surface area
1.8811660644967E+14
Volume
1.0671451654208E+21
Height
9825552.780503