19783985 is an odd 8-digits composite number following 19783984
and preceding 19783986 . In scientific notation, it is written as 1.9783985 × 10^7.
The sum of its digits is 50. It has a total of 5 prime factors and 16 positive divisors.
There are 14601600 positive integers (up to 19783985) that are relatively prime to 19783985.
19783985 has 16 divisors, whose sum is 25732560
The reverse of 19783985 is 58938791
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million seven hundred eighty-three thousand nine hundred eighty-five
Scientific notation
1.9783985 × 10^7
Engineering notation
1.9783985 × 10^6
Prime Factorization
5 × 13 × 13 × 13 × 1801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
117065
Product of the distinct prime numbers
The prime factorization of 19783985 is 5 × 13 × 13 × 13 × 1801.
Since it has a total of 5 prime factors.
6 , 5 , 56 , 73 , 606 , 894 , 4662 , 4652 , 81118 , 82080 , 336856 , 650428 , 9993276 , 9472841 , 62831172 , 70552124 , 820835585 , 303338994 , 3976819700 , 2844806553
n×2
39567970
n×3
59351955
n×4
79135940
n×5
98919925
n÷2
9891992.5
n÷3
6594661.6666667
n÷3
4945996.25
n÷5
3956797
n2
391406062480225
n3
7.7435716690178E+21
n4
1.5319870574627E+29
n5
3.0308808965037E+36
2 √n
4447.919176424
3 √n
270.46096381829
4 √n
66.692722064885
5 √n
28.791398115929
1 , 5 , 13 , 65 , 169 , 845 , 1801 , 2197 , 9005 , 10985 , 23413 , 117065 , 304369 , 1521845 , 3956797 , 19783985
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
-19783984
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 19783985 can be divided by 16 positive divisors.
The sum of these divisors (counting 19783985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011011110000100110001
3
Ternary
1101020010112012
4
Quaternary
1023132010301
5
Quinary
20031041420
6
Senary
1544012305
8
Octal
113360461
10
Decimal
19783985
12
Duodecimal
6761095
16
Hexadecimal
12de131
20
Vigesimal
63cjj5
36
Base36
bs1f5
md5
996bd82054c1d768d8b4669a915e88c6
sha1
1e1427635fe0692cd24a493c13a702ad97aafe91
sha256
f66d746a30cc296c5f234f6fe6d934a08f87b7067de60fa9246b09390a4cb77b
sha512
b1af237deda9d8a3fd312520bc7592de65ac7c291a5e057fc0655dd9c58d6249e202287e666a07bcf726be21d09cc673d36b367076c4c8d6ab625ca6b976f6bf
ripemd-160
795fd19c9178a3a1ab9db4ad9073d8e1bfd4d9b8
Diameter
39567970
Circumference
124306443.86946
Area
1.2296384104584E+15
Volume
3.2436197157243E+22
Surface area
4.9185536418335E+15
Circumference
124306443.86946
Perimeter
79135940
Area
391406062480225
Diagonal
27978779.904786
Surface area
2348436374881350
Volume
7.7435716690178E+21
Space diagonal
34266867.196181
Perimeter
59351955
Area
1.6948379665156E+14
Altitude
17133433.59809
Surface area
1.6948379665156E+14
Volume
9.1258867296109E+20
Height
9326259.968262