20123428 is an even 8-digits composite number following 20123427
and preceding 20123429 . In scientific notation, it is written as 2.0123428 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 9287712 positive integers (up to 20123428) that are relatively prime to 20123428.
20123428 has 12 divisors, whose sum is 37925020
The reverse of 20123428 is 82432102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred twenty-three thousand four hundred twenty-eight
Scientific notation
2.0123428 × 10^7
Engineering notation
2.0123428 × 10^6
Prime Factorization
2 × 2 × 13 × 386989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10061714
Product of the distinct prime numbers
The prime factorization of 20123428 is 2 × 2 × 13 × 386989.
Since it has a total of 4 prime factors.
7 , 5 , 2 , 42 , 699 , 105 , 6722 , 2883 , 39615 , 73135 , 200806 , 290424 , 2575305 , 3174418 , 82326328 , 1714643 , 765875078 , 990666590 , 450515679 , 5927074581
n×2
40246856
n×3
60370284
n×4
80493712
n×5
100617140
n÷2
10061714
n÷3
6707809.3333333
n÷3
5030857
n÷5
4024685.6
n2
404952354471184
n3
8.1490295486313E+21
n4
1.6398640939176E+29
n5
3.2999687023735E+36
2 √n
4485.91439954
3 √n
271.99900879108
4 √n
66.976969172544
5 √n
28.889524439997
1 , 2 , 4 , 13 , 26 , 52 , 386989 , 773978 , 1547956 , 5030857 , 10061714 , 20123428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123428 can be divided by 12 positive divisors.
The sum of these divisors (counting 20123428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110000111100100100
3
Ternary
1101212101011011
4
Quaternary
1030300330210
5
Quinary
20122422203
6
Senary
1555152004
8
Octal
114607444
10
Decimal
20123428
12
Duodecimal
68a5604
16
Hexadecimal
1330f24
20
Vigesimal
65f8b8
36
Base36
bzbc4
md5
4e10980de554ee66ab4e6651521aef1e
sha1
77f711122ed40372acd51df65fa7f546cab9fc9e
sha256
e11233a955e34783beebac9455cb03d0c5cd364b9ec326a79895885beb1ae9ec
sha512
2ffa81fbc37a07892810cfb2ae8ebc47253ae84151839044073cdaefcc9ecb774d8451939da151282488636d3413d2c88ab1b7c17a2f2467cc6fcc05ddf0d66f
ripemd-160
46967cf542d1c1ff0a7b9d34f11f6a5d529b7b92
Diameter
40246856
Circumference
126439227.13969
Area
1.2721953418606E+15
Volume
3.4134575151822E+22
Surface area
5.0887813674422E+15
Circumference
126439227.13969
Perimeter
80493712
Area
404952354471184
Diagonal
28458824.799038
Surface area
2429714126827104
Volume
8.1490295486313E+21
Space diagonal
34854799.718454
Perimeter
60370284
Area
1.7534951314718E+14
Altitude
17427399.859227
Surface area
1.7534951314718E+14
Volume
9.6037234232113E+20
Height
9486274.9330128