20409842 is an even 8-digits composite number following 20409841
and preceding 20409843 . In scientific notation, it is written as 2.0409842 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 9875700 positive integers (up to 20409842) that are relatively prime to 20409842.
20409842 has 8 divisors, whose sum is 31602432
The reverse of 20409842 is 24890402
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred nine thousand eight hundred forty-two
Scientific notation
2.0409842 × 10^7
Engineering notation
2.0409842 × 10^6
Prime Factorization
2 × 31 × 329191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20409842
Product of the distinct prime numbers
The prime factorization of 20409842 is 2 × 31 × 329191.
Since it has a total of 3 prime factors.
9 , 2 , 93 , 96 , 292 , 79 , 1326 , 2573 , 80597 , 19854 , 560340 , 356014 , 7430123 , 7441960 , 34527197 , 36437650 , 782267500 , 241355809 , 634223597 , 7243215182
n×2
40819684
n×3
61229526
n×4
81639368
n×5
102049210
n÷2
10204921
n÷3
6803280.6666667
n÷3
5102460.5
n÷5
4081968.4
n2
416561650464964
n3
8.5019574692491E+21
n4
1.7352360863809E+29
n5
3.5415894355734E+36
2 √n
4517.7253125882
3 √n
273.28337609029
4 √n
67.214026159636
5 √n
28.971296346966
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
-20409841
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 20409842 can be divided by 8 positive divisors.
The sum of these divisors (counting 20409842) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110110111110010
3
Ternary
1102101221001002
4
Quaternary
1031312313302
5
Quinary
20211103332
6
Senary
2005242002
8
Octal
115666762
10
Decimal
20409842
12
Duodecimal
6a03302
16
Hexadecimal
1376df2
20
Vigesimal
67b4c2
36
Base36
c5gc2
md5
a4bf2a18e19d2639478fe8fa49a7ad51
sha1
32b406c58d6443aa73928b2cb05d39fd31e95e24
sha256
1752e0d91aecee41fc9450662335c5f380efb135a3476f6585de45620e7eeb6c
sha512
0f3b5cb0fb0b79fb88c9b2626001ce7a84c8c4a81634b588f239474104d8fb00e3ed9e6e0ca82222b03865c469dc076cdd7b5f1573db9a665ed15396ab2c980c
ripemd-160
ad99829b110b891dec28ac31d7c2137504fdd380
Diameter
40819684
Circumference
128238819.37626
Area
1.308667020868E+15
Volume
3.5612916168701E+22
Surface area
5.2346680834719E+15
Circumference
128238819.37626
Perimeter
81639368
Area
416561650464964
Diagonal
28863875.362292
Surface area
2499369902789784
Volume
8.5019574692491E+21
Space diagonal
35350883.318453
Perimeter
61229526
Area
1.8037648577252E+14
Altitude
17675441.659227
Surface area
1.8037648577252E+14
Volume
1.0019652966443E+21
Height
9621291.7874307