20405944 is an even 8-digits composite number following 20405943
and preceding 20405945 . In scientific notation, it is written as 2.0405944 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors.
There are 9161856 positive integers (up to 20405944) that are relatively prime to 20405944.
20405944 has 32 divisors, whose sum is 42325920
The reverse of 20405944 is 44950402
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred five thousand nine hundred forty-four
Scientific notation
2.0405944 × 10^7
Engineering notation
2.0405944 × 10^6
Prime Factorization
2 × 2 × 2 × 37 × 13 × 5303
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5101486
Product of the distinct prime numbers
The prime factorization of 20405944 is 2 × 2 × 2 × 37 × 13 × 5303.
Since it has a total of 6 prime factors.
6 , 1 , 17 , 73 , 995 , 770 , 2729 , 7954 , 32122 , 77821 , 730215 , 700187 , 3675001 , 8821527 , 62551752 , 82189433 , 754010776 , 107023064 , 6110806283 , 6775482201
n×2
40811888
n×3
61217832
n×4
81623776
n×5
102029720
n÷2
10202972
n÷3
6801981.3333333
n÷3
5101486
n÷5
4081188.8
n2
416402550531136
n3
8.4970871275955E+21
n4
1.7339108408884E+29
n5
3.5382087520161E+36
2 √n
4517.2938801898
3 √n
273.2659771899
4 √n
67.210816690394
5 √n
28.970189638336
1 , 2 , 4 , 8 , 13 , 26 , 37 , 52 , 74 , 104 , 148 , 296 , 481 , 962 , 1924 , 3848 , 5303 , 10606 , 21212 , 42424 , 68939 , 137878 , 196211 , 275756 , 392422 , 551512 , 784844 , 1569688 , 2550743 , 5101486 , 10202972 , 20405944
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20405943
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20405944 can be divided by 32 positive divisors.
The sum of these divisors (counting 20405944) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110101111010111000
3
Ternary
1102101201200201
4
Quaternary
1031311322320
5
Quinary
20210442234
6
Senary
2005211544
8
Octal
115657270
10
Decimal
20405944
12
Duodecimal
6a00bb4
16
Hexadecimal
1375eb8
20
Vigesimal
67aeh4
36
Base36
c5dbs
md5
cda9750c66cdedc1cad8a6a76fd12e25
sha1
9e4ac5f8bef3a8c045a3426a66d531e473265dde
sha256
9166e6ce679a3e82a450d0434dc5badedfea51e1a15ccca8e528abe13c5ea198
sha512
41bf888023703841eb7a922f4a4a6cb687e9bfbf4694f38fa91c2a94cebabfdbf86c6b0c228646aae9ef083ffce919e4a4cd975d2bb517b14215e47c9357ef04
ripemd-160
84f119342838d4b5ed54c595bc2e6d8e08c15271
Diameter
40811888
Circumference
128214327.51993
Area
1.3081671936847E+15
Volume
3.5592515329289E+22
Surface area
5.2326687747387E+15
Circumference
128214327.51993
Perimeter
81623776
Area
416402550531136
Diagonal
28858362.757826
Surface area
2498415303186816
Volume
8.4970871275955E+21
Space diagonal
35344131.784405
Perimeter
61217832
Area
1.803075934803E+14
Altitude
17672065.892203
Surface area
1.803075934803E+14
Volume
1.001391321376E+21
Height
9619454.2526086