20123438 is an even 8-digits composite number following 20123437
and preceding 20123439 . In scientific notation, it is written as 2.0123438 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 10061718 positive integers (up to 20123438) that are relatively prime to 20123438.
20123438 has 4 divisors, whose sum is 30185160
The reverse of 20123438 is 83432102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-three thousand four hundred thirty-eight
Scientific notation
2.0123438 × 10^7
Engineering notation
2.0123438 × 10^6
Prime Factorization
2 × 10061719
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20123438
Product of the distinct prime numbers
The prime factorization of 20123438 is 2 × 10061719.
Since it has a total of 2 prime factors.
9 , 4 , 24 , 45 , 623 , 305 , 622 , 7749 , 54658 , 16627 , 898225 , 555715 , 7018500 , 4353567 , 93715043 , 27851458 , 760042963 , 781992421 , 1702554505 , 7397429834
n×2
40246876
n×3
60370314
n×4
80493752
n×5
100617190
n÷2
10061719
n÷3
6707812.6666667
n÷3
5030859.5
n÷5
4024687.6
n2
404952756939844
n3
8.149041697208E+21
n4
1.6398673535318E+29
n5
3.2999769017021E+36
2 √n
4485.9155141398
3 √n
271.99905384619
4 √n
66.976977493313
5 √n
28.889527311229
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123438 can be divided by 4 positive divisors.
The sum of these divisors (counting 20123438) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000111100101110
3
Ternary
1101212101011112
4
Quaternary
1030300330232
5
Quinary
20122422223
6
Senary
1555152022
8
Octal
114607456
10
Decimal
20123438
12
Duodecimal
68a5612
16
Hexadecimal
1330f2e
20
Vigesimal
65f8bi
36
Base36
bzbce
md5
b58a1c9009ccfbeceefbd156a8682161
sha1
7bcb6c95817af01f965631a3ceefb458de13b8ac
sha256
b88b4d587265f2bf3c60fbb8bf89405bc9e08a6979f39cddd09a88b334fdcd5a
sha512
11c6d5d427c08e4e61c0d84cc7d2bb4125fd06a5602db8fafe4c549b41863f71bfcf0d81b801077551a88db670a9ca192edcefa4140053e1c7ddd682a15f7602
ripemd-160
c9d7cfccfc9ea0472709a466d14464009ebfad76
Diameter
40246876
Circumference
126439289.97154
Area
1.2721966062531E+15
Volume
3.4134626039661E+22
Surface area
5.0887864250126E+15
Circumference
126439289.97154
Perimeter
80493752
Area
404952756939844
Diagonal
28458838.941174
Surface area
2429716541639064
Volume
8.149041697208E+21
Space diagonal
34854817.038962
Perimeter
60370314
Area
1.7534968742122E+14
Altitude
17427408.519481
Surface area
1.7534968742122E+14
Volume
9.6037377404462E+20
Height
9486279.647058