19986144 is an even 8-digits composite number following 19986143
and preceding 19986145 . In scientific notation, it is written as 1.9986144 × 10^7.
The sum of its digits is 42. It has a total of 7 prime factors and 24 positive divisors.
There are 6662016 positive integers (up to 19986144) that are relatively prime to 19986144.
19986144 has 24 divisors, whose sum is 52463880
The reverse of 19986144 is 44168991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million nine hundred eighty-six thousand one hundred forty-four
Scientific notation
1.9986144 × 10^7
Engineering notation
1.9986144 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 208189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1249134
Product of the distinct prime numbers
The prime factorization of 19986144 is 2 × 2 × 2 × 2 × 2 × 3 × 208189.
Since it has a total of 7 prime factors.
9 , 9 , 21 , 96 , 410 , 58 , 2209 , 9 , 43102 , 25757 , 811210 , 877968 , 4656926 , 533985 , 86460173 , 63171574 , 572905627 , 524163574 , 1839278632 , 4548468444
n×2
39972288
n×3
59958432
n×4
79944576
n×5
99930720
n÷2
9993072
n÷3
6662048
n÷3
4996536
n÷5
3997228.8
n2
399445951988736
n3
7.983384316664E+21
n4
1.5955706856019E+29
n5
3.1889305484618E+36
2 √n
4470.5865386994
3 √n
271.37906222705
4 √n
66.862444905189
5 √n
28.849998999776
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 96 , 208189 , 416378 , 624567 , 832756 , 1249134 , 1665512 , 2498268 , 3331024 , 4996536 , 6662048 , 9993072 , 19986144
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19986143
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19986144 can be divided by 24 positive divisors.
The sum of these divisors (counting 19986144) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100001111011011100000
3
Ternary
1101121101211120
4
Quaternary
1030033123200
5
Quinary
20104024034
6
Senary
1552212240
8
Octal
114173340
10
Decimal
19986144
12
Duodecimal
683a080
16
Hexadecimal
130f6e0
20
Vigesimal
64i574
36
Base36
bwdeo
md5
a0f0aa11f9c76160ce7fc92d53011d90
sha1
4eb4b6df35e0b09f9828f743b7128d927ffd4a7d
sha256
49f1ee6db21d9ea0c9f4faf30340462bcced3b0c384026c28ce49c9a37db791a
sha512
5ce5d5706d9b2422dce3232eb67abc66903c5b31684043275836347890a47ae6692e7272ee86e7b40aadafaccca39818bc4e223eab1088c5f94070dd9dca0d0d
ripemd-160
af3ccca750748eb58f254180a207adeeb47fb72c
Diameter
39972288
Circumference
125576646.32798
Area
1.254896468274E+15
Volume
3.3440722026687E+22
Surface area
5.019585873096E+15
Circumference
125576646.32798
Perimeter
79944576
Area
399445951988736
Diagonal
28264675.904342
Surface area
2396675711932416
Volume
7.983384316664E+21
Space diagonal
34617016.855388
Perimeter
59958432
Area
1.7296517093055E+14
Altitude
17308508.427694
Surface area
1.7296517093055E+14
Volume
9.408508645219E+20
Height
9421558.6347806