20402538 is an even 8-digits composite number following 20402537
and preceding 20402539 . In scientific notation, it is written as 2.0402538 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 6205056 positive integers (up to 20402538) that are relatively prime to 20402538.
20402538 has 32 divisors, whose sum is 44452800
The reverse of 20402538 is 83520402
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million four hundred two thousand five hundred thirty-eight
Scientific notation
2.0402538 × 10^7
Engineering notation
2.0402538 × 10^6
Prime Factorization
2 × 3 × 13 × 89 × 2939
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20402538
Product of the distinct prime numbers
The prime factorization of 20402538 is 2 × 3 × 13 × 89 × 2939.
Since it has a total of 5 prime factors.
3 , 1 , 80 , 49 , 785 , 303 , 7708 , 9127 , 75848 , 6853 , 423889 , 116794 , 4282809 , 329677 , 70305466 , 39372006 , 573476555 , 941454835 , 7508159609 , 5251187133
n×2
40805076
n×3
61207614
n×4
81610152
n×5
102012690
n÷2
10201269
n÷3
6800846
n÷3
5100634.5
n÷5
4080507.6
n2
416263556841444
n3
8.4928330364727E+21
n4
1.7327534875429E+29
n5
3.5352568874227E+36
2 √n
4516.9168688387
3 √n
273.25077253993
4 √n
67.208011939342
5 √n
28.96922247843
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 89 , 178 , 267 , 534 , 1157 , 2314 , 2939 , 3471 , 5878 , 6942 , 8817 , 17634 , 38207 , 76414 , 114621 , 229242 , 261571 , 523142 , 784713 , 1569426 , 3400423 , 6800846 , 10201269 , 20402538
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
-20402537
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 20402538 can be divided by 32 positive divisors.
The sum of these divisors (counting 20402538) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110101000101101010
3
Ternary
1102101120000120
4
Quaternary
1031311011222
5
Quinary
20210340123
6
Senary
2005144110
8
Octal
115650552
10
Decimal
20402538
12
Duodecimal
69bb036
16
Hexadecimal
137516a
20
Vigesimal
67a66i
36
Base36
c5ap6
md5
7e8fe920c30369904f12c6aad45d0419
sha1
d8f4111660bc2ab480610d9e835a4bf2cf55d6d8
sha256
4e98b3b84eeb072861d02e4da51a742cf7b6ccc4fd8875e7f06bd3023bd08bbf
sha512
d5c34bf66ff10aa811f96528b171ccaca430d1c396e0652a5ad08730b1c7c22e513121188baca94e15bae015e2d1590a97cb7c42a4ee9e9c3f25421dd2f84a75
ripemd-160
a2a57c5f6dfba2018bd99a3b6e59a8fc18f4f8ba
Diameter
40805076
Circumference
128192926.99077
Area
1.3077305321302E+15
Volume
3.5574695834063E+22
Surface area
5.230922128521E+15
Circumference
128192926.99077
Perimeter
81610152
Area
416263556841444
Diagonal
28853545.946432
Surface area
2497581341048664
Volume
8.4928330364727E+21
Space diagonal
35338232.419355
Perimeter
61207614
Area
1.8024740744718E+14
Altitude
17669116.209677
Surface area
1.8024740744718E+14
Volume
1.0008899719292E+21
Height
9617848.6488108