19389945 is an odd 8-digits composite number following 19389944
and preceding 19389946 . In scientific notation, it is written as 1.9389945 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 9732864 positive integers (up to 19389945) that are relatively prime to 19389945.
19389945 has 16 divisors, whose sum is 32849280
The reverse of 19389945 is 54998391
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million three hundred eighty-nine thousand nine hundred forty-five
Scientific notation
1.9389945 × 10^7
Engineering notation
1.9389945 × 10^6
Prime Factorization
3 × 17 × 5 × 76039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19389945
Product of the distinct prime numbers
The prime factorization of 19389945 is 3 × 17 × 5 × 76039.
Since it has a total of 4 prime factors.
2 , 6 , 13 , 80 , 751 , 246 , 8340 , 8183 , 8517 , 39576 , 166053 , 561508 , 488760 , 6280573 , 93456305 , 91822738 , 612922106 , 423956617 , 3379621569 , 4730634507
n×2
38779890
n×3
58169835
n×4
77559780
n×5
96949725
n÷2
9694972.5
n÷3
6463315
n÷3
4847486.25
n÷5
3877989
n2
375969967103025
n3
7.2900369837795E+21
n4
1.4135341616345E+29
n5
2.7408349649714E+36
2 √n
4403.4015260932
3 √n
268.65330792363
4 √n
66.358130821273
5 √n
28.675784992448
1 , 3 , 5 , 15 , 17 , 51 , 85 , 255 , 76039 , 228117 , 380195 , 1140585 , 1292663 , 3877989 , 6463315 , 19389945
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
-19389944
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 19389945 can be divided by 16 positive divisors.
The sum of these divisors (counting 19389945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001001111101110111111001
3
Ternary
1100111010000010
4
Quaternary
1021331313321
5
Quinary
14430434240
6
Senary
1531332133
8
Octal
111756771
10
Decimal
19389945
12
Duodecimal
65b1049
16
Hexadecimal
127ddf9
20
Vigesimal
613eh5
36
Base36
bjldl
md5
619ca2e41e26b852543a8216be75ef45
sha1
58bd0f110a2d6ff468b58d905da3b6256325e4c5
sha256
0c911f50bad20cc131699bd6fb8e1d2461f530ab7c880b33645df5465260ec24
sha512
79a1f3a56c6f2a0ec40049596ed7e4f2dff59f17bfc0249d7a8e65ec2bf66a29a1a9cbbb55d7574bdba8f03b2b1111976461747af34af66f13e31b8b6be64bb3
ripemd-160
1b961ed109fd85c1c8b4de2c3d4c33b7e10b378f
Diameter
38779890
Circumference
121830617.53102
Area
1.1811444866213E+15
Volume
3.0536435510186E+22
Surface area
4.724577946485E+15
Circumference
121830617.53102
Perimeter
77559780
Area
375969967103025
Diagonal
27421523.192668
Surface area
2255819802618150
Volume
7.2900369837795E+21
Space diagonal
33584369.895966
Perimeter
58169835
Area
1.6279977128561E+14
Altitude
16792184.947983
Surface area
1.6279977128561E+14
Volume
8.5913909772186E+20
Height
9140507.7308895