20408942 is an even 8-digits composite number following 20408941
and preceding 20408943 . In scientific notation, it is written as 2.0408942 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 9514368 positive integers (up to 20408942) that are relatively prime to 20408942.
20408942 has 16 divisors, whose sum is 32717520
The reverse of 20408942 is 24980402
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred eight thousand nine hundred forty-two
Scientific notation
2.0408942 × 10^7
Engineering notation
2.0408942 × 10^6
Prime Factorization
2 × 109 × 17 × 5507
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20408942
Product of the distinct prime numbers
The prime factorization of 20408942 is 2 × 109 × 17 × 5507.
Since it has a total of 4 prime factors.
10 , 10 , 28 , 11 , 919 , 44 , 2243 , 5778 , 48647 , 9094 , 63439 , 759814 , 8848115 , 9268074 , 50009799 , 4771331 , 498983044 , 660133615 , 9613368405 , 1039718629
n×2
40817884
n×3
61226826
n×4
81635768
n×5
102044710
n÷2
10204471
n÷3
6802980.6666667
n÷3
5102235.5
n÷5
4081788.4
n2
416524913559364
n3
8.5008328023881E+21
n4
1.7349300361564E+29
n5
3.5408086481973E+36
2 √n
4517.6257038405
3 √n
273.27935909604
4 √n
67.213285173695
5 √n
28.971040836643
1 , 2 , 17 , 34 , 109 , 218 , 1853 , 3706 , 5507 , 11014 , 93619 , 187238 , 600263 , 1200526 , 10204471 , 20408942
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
-20408941
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 20408942 can be divided by 16 positive divisors.
The sum of these divisors (counting 20408942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110110101001101110
3
Ternary
1102101212210202
4
Quaternary
1031312221232
5
Quinary
20211041232
6
Senary
2005233502
8
Octal
115665156
10
Decimal
20408942
12
Duodecimal
6a02892
16
Hexadecimal
1376a6e
20
Vigesimal
67b272
36
Base36
c5fn2
md5
e7c4d031eb832c958c6cd8fe391eccbe
sha1
4e0beb20814e9270037e0a99943b5e05e7f79ac7
sha256
3d97fcafaea4b307075633aef6aea8154dbfb5b8fc2dca4fad284df91e8d7c8d
sha512
2c42418d05c5e540adeadd6cb5ba1f0776f1b2e3eae580acb22af7305e5dbec0b881d414f690d14dc9ce74a24c364b9c6901ca9fd9ee2576755c9da7c32dfc31
ripemd-160
b7136bb0f7bb349b7dd1bad1a60c9569c9fb3394
Diameter
40817884
Circumference
128233164.50948
Area
1.3085516084752E+15
Volume
3.560820517517E+22
Surface area
5.2342064339009E+15
Circumference
128233164.50948
Perimeter
81635768
Area
416524913559364
Diagonal
28862602.570086
Surface area
2499149481356184
Volume
8.5008328023881E+21
Space diagonal
35349324.472726
Perimeter
61226826
Area
1.8036057822576E+14
Altitude
17674662.236363
Surface area
1.8036057822576E+14
Volume
1.0018327533836E+21
Height
9620867.523362