19993145 is an odd 8-digits composite number following 19993144
and preceding 19993146 . In scientific notation, it is written as 1.9993145 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 15994512 positive integers (up to 19993145) that are relatively prime to 19993145.
19993145 has 4 divisors, whose sum is 23991780
The reverse of 19993145 is 54139991
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred ninety-three thousand one hundred forty-five
Scientific notation
1.9993145 × 10^7
Engineering notation
1.9993145 × 10^6
Prime Factorization
5 × 3998629
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19993145
Product of the distinct prime numbers
The prime factorization of 19993145 is 5 × 3998629.
Since it has a total of 2 prime factors.
7 , 6 , 15 , 48 , 842 , 124 , 3237 , 515 , 74720 , 7555 , 667040 , 126906 , 6813250 , 4298395 , 28820194 , 11992699 , 544790344 , 218395373 , 2160583477 , 5086779886
n×2
39986290
n×3
59979435
n×4
79972580
n×5
99965725
n÷2
9996572.5
n÷3
6664381.6666667
n÷3
4998286.25
n÷5
3998629
n2
399725846991025
n3
7.9917768191394E+21
n4
1.5978075275269E+29
n5
3.1945197579937E+36
2 √n
4471.3694770171
3 √n
271.4107458944
4 √n
66.868299492488
5 √n
28.852019905342
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
-19993144
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 19993145 can be divided by 4 positive divisors.
The sum of these divisors (counting 19993145) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010001001000111001
3
Ternary
1101121202102212
4
Quaternary
1030101020321
5
Quinary
20104240040
6
Senary
1552304505
8
Octal
114211071
10
Decimal
19993145
12
Duodecimal
6842135
16
Hexadecimal
1311239
20
Vigesimal
64j2h5
36
Base36
bwit5
md5
80f83a967ebad8724f33f620af63a4aa
sha1
4296c1bbbca9164cbdd5b7d6ba69ad14df5fa0c4
sha256
0a796855eacae05b0d309a421aafa7438e119609c64ac70dd4020c00bbf67ca9
sha512
df4c207fcdad068723b42753cb4447dbb5c0fd830d5dd7fba3606738aacdef34133d43ca2bad4875eb2c500fd6a9118582368317284be036586568b865789be0
ripemd-160
aaa31b97e17449f92829fc7b07cb1547bb2c845d
Diameter
39986290
Circumference
125620634.90831
Area
1.255775784357E+15
Volume
3.347587645885E+22
Surface area
5.0231031374278E+15
Circumference
125620634.90831
Perimeter
79972580
Area
399725846991025
Diagonal
28274576.813492
Surface area
2398355081946150
Volume
7.9917768191394E+21
Space diagonal
34629142.943092
Perimeter
59979435
Area
1.7308636902174E+14
Altitude
17314571.471546
Surface area
1.7308636902174E+14
Volume
9.4183993042382E+20
Height
9424858.9378306