19986144 (number)

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.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-six thousand one hundred forty-four

Notation

Scientific notation 1.9986144 × 10^7
Engineering notation 1.9986144 × 10^6

Prime Factorization of 19986144

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.

Most popular turbo-numbers

Basic calculations (n = 19986144)

Multiplication

n×y
n×2 39972288
n×3 59958432
n×4 79944576
n×5 99930720

Division

n÷y
n÷2 9993072
n÷3 6662048
n÷3 4996536
n÷5 3997228.8

Exponentiation

ny
n2 399445951988736
n3 7.983384316664E+21
n4 1.5955706856019E+29
n5 3.1889305484618E+36

Nth Root

y√n
2√n 4470.5865386994
3√n 271.37906222705
4√n 66.862444905189
5√n 28.849998999776

Divisors of 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 conversion 19986144

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

Cryptographic Hash Functions

md5 a0f0aa11f9c76160ce7fc92d53011d90
sha1 4eb4b6df35e0b09f9828f743b7128d927ffd4a7d
sha256 49f1ee6db21d9ea0c9f4faf30340462bcced3b0c384026c28ce49c9a37db791a
sha512 5ce5d5706d9b2422dce3232eb67abc66903c5b31684043275836347890a47ae6692e7272ee86e7b40aadafaccca39818bc4e223eab1088c5f94070dd9dca0d0d
ripemd-160 af3ccca750748eb58f254180a207adeeb47fb72c

19986144 as geometric shapes

Circle

Radius = n
Diameter 39972288
Circumference 125576646.32798
Area 1.254896468274E+15

Sphere

Radius = n
Volume 3.3440722026687E+22
Surface area 5.019585873096E+15
Circumference 125576646.32798

Square

Length = n
Perimeter 79944576
Area 399445951988736
Diagonal 28264675.904342

Cube

Length = n
Surface area 2396675711932416
Volume 7.983384316664E+21
Space diagonal 34617016.855388

Equilateral Triangle

Length = n
Perimeter 59958432
Area 1.7296517093055E+14
Altitude 17308508.427694

Triangular Pyramid

Length = n
Surface area 1.7296517093055E+14
Volume 9.408508645219E+20
Height 9421558.6347806