20128946 is an even 8-digits composite number following 20128945
and preceding 20128947 . In scientific notation, it is written as 2.0128946 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10064472 positive integers (up to 20128946) that are relatively prime to 20128946.
20128946 has 4 divisors, whose sum is 30193422
The reverse of 20128946 is 64982102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred twenty-eight thousand nine hundred forty-six
Scientific notation
2.0128946 × 10^7
Engineering notation
2.0128946 × 10^6
Prime Factorization
2 × 10064473
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20128946
Product of the distinct prime numbers
The prime factorization of 20128946 is 2 × 10064473.
Since it has a total of 2 prime factors.
7 , 5 , 19 , 83 , 251 , 857 , 666 , 2279 , 65695 , 37675 , 415671 , 300190 , 2135527 , 6608585 , 34845416 , 39108644 , 229841052 , 55134533 , 4099358135 , 1576449130
n×2
40257892
n×3
60386838
n×4
80515784
n×5
100644730
n÷2
10064473
n÷3
6709648.6666667
n÷3
5032236.5
n÷5
4025789.2
n2
405174467070916
n3
8.1557349682492E+21
n4
1.641663487662E+29
n5
3.304495569332E+36
2 √n
4486.5293936405
3 √n
272.02386793149
4 √n
66.981560101572
5 √n
28.891108612573
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
-20128945
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 20128946 can be divided by 4 positive divisors.
The sum of these divisors (counting 20128946) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010010010110010
3
Ternary
1101212122201112
4
Quaternary
1030302102302
5
Quinary
20123111241
6
Senary
1555233322
8
Octal
114622262
10
Decimal
20128946
12
Duodecimal
68a8842
16
Hexadecimal
13324b2
20
Vigesimal
65g276
36
Base36
bzfle
md5
d81f907d4cc8350e803925683bf6d5c0
sha1
2cc21c2c4e6d2bf9d70a15fe0333fa0892d2a9b5
sha256
8bb11c7891d503bfc5a2e0616167b2d3302bebb85a2e13238117387abc64da67
sha512
1779a19ecdfb67d7f19bf19747744c620ec5cc805385e4f025c6e35ac36c0acc87fc1e2befd927d432f70edb43bde2c3de7310c39ab5386520ce2e0007edf6f0
ripemd-160
1dc9bc8f31dc58d5cf0d35d823574f88efab2af3
Diameter
40257892
Circumference
126473897.75621
Area
1.2728931291721E+15
Volume
3.4162662747836E+22
Surface area
5.0915725166886E+15
Circumference
126473897.75621
Perimeter
80515784
Area
405174467070916
Diagonal
28466628.429476
Surface area
2431046802425496
Volume
8.1557349682492E+21
Space diagonal
34864357.17481
Perimeter
60386838
Area
1.7544569072412E+14
Altitude
17432178.587405
Surface area
1.7544569072412E+14
Volume
9.6116258360155E+20
Height
9488876.1431586