20409538 is an even 8-digits composite number following 20409537
and preceding 20409539 . In scientific notation, it is written as 2.0409538 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 10126740 positive integers (up to 20409538) that are relatively prime to 20409538.
20409538 has 8 divisors, whose sum is 30848400
The reverse of 20409538 is 83590402
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred nine thousand five hundred thirty-eight
Scientific notation
2.0409538 × 10^7
Engineering notation
2.0409538 × 10^6
Prime Factorization
2 × 131 × 77899
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20409538
Product of the distinct prime numbers
The prime factorization of 20409538 is 2 × 131 × 77899.
Since it has a total of 3 prime factors.
1 , 3 , 47 , 24 , 204 , 448 , 7003 , 9268 , 35150 , 40939 , 449839 , 371389 , 5015472 , 5102997 , 84248972 , 99139975 , 359111608 , 214466185 , 2550662090 , 796199555
n×2
40819076
n×3
61228614
n×4
81638152
n×5
102047690
n÷2
10204769
n÷3
6803179.3333333
n÷3
5102384.5
n÷5
4081907.6
n2
416549241373444
n3
8.5015775706825E+21
n4
1.7351327048879E+29
n5
3.5413256875453E+36
2 √n
4517.6916672124
3 √n
273.28201925211
4 √n
67.213775873792
5 √n
28.971210042265
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
-20409537
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 20409538 can be divided by 8 positive divisors.
The sum of these divisors (counting 20409538) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110110011000010
3
Ternary
1102101220121211
4
Quaternary
1031312303002
5
Quinary
20211101123
6
Senary
2005240334
8
Octal
115666302
10
Decimal
20409538
12
Duodecimal
6a030aa
16
Hexadecimal
1376cc2
20
Vigesimal
67b3gi
36
Base36
c5g3m
md5
59fabcbc772e776ed69e0fc9baaa500d
sha1
dcc4b745a89c3ca8b8470c5b09d35ba4b7ff75f0
sha256
4f0ab3286c5a46a47008150c9a8314baf4a5c8d9672296c1b1283ef6c029c9b6
sha512
2c65c83185e49d9b3e69494f5043856258d9cbf6ef618f7689a861450e3fe08585aba1569fc5e78482d45821e55f7bacd1c125eaee45430e111d6e58ca11a903
ripemd-160
795deabe8641decd6f55bc224bcc09d0b51623ad
Diameter
40819076
Circumference
128236909.28792
Area
1.3086280365572E+15
Volume
3.5611324853306E+22
Surface area
5.2345121462289E+15
Circumference
128236909.28792
Perimeter
81638152
Area
416549241373444
Diagonal
28863445.441369
Surface area
2499295448240664
Volume
8.5015775706825E+21
Space diagonal
35350356.775008
Perimeter
61228614
Area
1.8037111247827E+14
Altitude
17675178.387504
Surface area
1.8037111247827E+14
Volume
1.0019205251688E+21
Height
9621148.4804564