20402438 is an even 8-digits composite number following 20402437
and preceding 20402439 . In scientific notation, it is written as 2.0402438 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 8613000 positive integers (up to 20402438) that are relatively prime to 20402438.
20402438 has 16 divisors, whose sum is 35499264
The reverse of 20402438 is 83420402
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million four hundred two thousand four hundred thirty-eight
Scientific notation
2.0402438 × 10^7
Engineering notation
2.0402438 × 10^6
Prime Factorization
2 × 7 × 67 × 21751
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20402438
Product of the distinct prime numbers
The prime factorization of 20402438 is 2 × 7 × 67 × 21751.
Since it has a total of 4 prime factors.
2 , 10 , 26 , 28 , 177 , 41 , 7541 , 3169 , 44755 , 7090 , 121777 , 375711 , 942699 , 2596153 , 54373359 , 34420281 , 64862780 , 743424025 , 3704981119 , 7312324788
n×2
40804876
n×3
61207314
n×4
81609752
n×5
102012190
n÷2
10201219
n÷3
6800812.6666667
n÷3
5100609.5
n÷5
4080487.6
n2
416259476343844
n3
8.4927081580177E+21
n4
1.7327195164605E+29
n5
3.5351702505976E+36
2 √n
4516.9057993277
3 √n
273.25032610655
4 √n
67.207929586677
5 √n
28.969194080709
1 , 2 , 7 , 14 , 67 , 134 , 469 , 938 , 21751 , 43502 , 152257 , 304514 , 1457317 , 2914634 , 10201219 , 20402438
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
-20402437
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 20402438 can be divided by 16 positive divisors.
The sum of these divisors (counting 20402438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101000100000110
3
Ternary
1102101112212212
4
Quaternary
1031311010012
5
Quinary
20210334223
6
Senary
2005143422
8
Octal
115650406
10
Decimal
20402438
12
Duodecimal
69bab72
16
Hexadecimal
1375106
20
Vigesimal
67a61i
36
Base36
c5ame
md5
3d2cfc3524ffd14843315efb8da38a31
sha1
53af23d8a022dd1c2b596fd6b6194d313019e74d
sha256
c742ad523924275f3b812b512e9db9778569db04cb66527f6ab6cdac90eb1534
sha512
3fa42553d594c9a619eef079f21fab23fc1f24d90208a9c88efee84f6356a49d6d317c017c9fe378d773b26e77d8bc7462a742d840a090ee2869d462be329b23
ripemd-160
c9c129eb259f97b3354377f7fbd222d8209f3d25
Diameter
40804876
Circumference
128192298.67224
Area
1.307717712869E+15
Volume
3.5574172744414E+22
Surface area
5.2308708514758E+15
Circumference
128192298.67224
Perimeter
81609752
Area
416259476343844
Diagonal
28853404.525076
Surface area
2497556858063064
Volume
8.4927081580177E+21
Space diagonal
35338059.214274
Perimeter
61207314
Area
1.8024564053989E+14
Altitude
17669029.607137
Surface area
1.8024564053989E+14
Volume
1.0008752548621E+21
Height
9617801.5083587