19983985 is an odd 8-digits composite number following 19983984
and preceding 19983986 . In scientific notation, it is written as 1.9983985 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 13640256 positive integers (up to 19983985) that are relatively prime to 19983985.
19983985 has 16 divisors, whose sum is 27532800
The reverse of 19983985 is 58938991
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
nineteen million nine hundred eighty-three thousand nine hundred eighty-five
Scientific notation
1.9983985 × 10^7
Engineering notation
1.9983985 × 10^6
Prime Factorization
5 × 7 × 239 × 2389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19983985
Product of the distinct prime numbers
The prime factorization of 19983985 is 5 × 7 × 239 × 2389.
Since it has a total of 4 prime factors.
4 , 10 , 48 , 7 , 602 , 886 , 7567 , 777 , 82636 , 29830 , 932370 , 630221 , 9796606 , 8239538 , 94224811 , 62225744 , 703020143 , 594117876 , 2978722633 , 9966905122
n×2
39967970
n×3
59951955
n×4
79935940
n×5
99919925
n÷2
9991992.5
n÷3
6661328.3333333
n÷3
4995996.25
n÷5
3996797
n2
399359656480225
n3
7.980797384706E+21
n4
1.59488135224E+29
n5
3.1872085019945E+36
2 √n
4470.345064981
3 √n
271.36928998193
4 √n
66.860639130814
5 √n
28.849375669538
1 , 5 , 7 , 35 , 239 , 1195 , 1673 , 2389 , 8365 , 11945 , 16723 , 83615 , 570971 , 2854855 , 3996797 , 19983985
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
-19983984
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 19983985 can be divided by 16 positive divisors.
The sum of these divisors (counting 19983985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001110111001110001
3
Ternary
1101121021212121
4
Quaternary
1030032321301
5
Quinary
20103441420
6
Senary
1552154241
8
Octal
114167161
10
Decimal
19983985
12
Duodecimal
6838981
16
Hexadecimal
130ee71
20
Vigesimal
64hjj5
36
Base36
bwbqp
md5
bf5a0c9ae5c03f01e129f04310c1d61f
sha1
ce13d6ece39cfe4d999f73b3549512aef3140b28
sha256
c29d20c9ee8645ec6874496b14ad619e4a91f60409e5609e50e100830375af7b
sha512
b123bdbdd2f84a92f908ca75a4fde05b4170c2d7311d56f99852f9fda84e3134545b7027e442b7bd14f4ff77baea3b393e0975e11f5ec1692ede4d1d5a284a60
ripemd-160
454b577875009135f0fea1af3a6a5ba7cfc8322e
Diameter
39967970
Circumference
125563080.9309
Area
1.2546253629384E+15
Volume
3.3429885911441E+22
Surface area
5.0185014517537E+15
Circumference
125563080.9309
Perimeter
79935940
Area
399359656480225
Diagonal
28261622.61726
Surface area
2396157938881350
Volume
7.980797384706E+21
Space diagonal
34613277.357694
Perimeter
59951955
Area
1.7292780387925E+14
Altitude
17306638.678847
Surface area
1.7292780387925E+14
Volume
9.4054599166691E+20
Height
9420540.8724202