18996986 (number)

18996986 is an even 8-digits composite number following 18996985 and preceding 18996987. In scientific notation, it is written as 1.8996986 × 10^7. The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors. There are 9039600 positive integers (up to 18996986) that are relatively prime to 18996986.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-six thousand nine hundred eighty-six

Notation

Scientific notation 1.8996986 × 10^7
Engineering notation 1.8996986 × 10^6

Prime Factorization of 18996986

Prime Factorization 2 × 61 × 31 × 5023

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18996986
Product of the distinct prime numbers

The prime factorization of 18996986 is 2 × 61 × 31 × 5023. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 41, 94, 549, 921, 1871, 1806, 12977, 7838, 366654, 643111, 792347, 4809626, 12873419, 61918754, 886062469, 150141460, 2608622324, 7020634351

Basic calculations (n = 18996986)

Multiplication

n×y
n×2 37993972
n×3 56990958
n×4 75987944
n×5 94984930

Division

n÷y
n÷2 9498493
n÷3 6332328.6666667
n÷3 4749246.5
n÷5 3799397.2

Exponentiation

ny
n2 360885477084196
n3 6.8557363557718E+21
n4 1.3023832757029E+29
n5 2.4741356855162E+36

Nth Root

y√n
2√n 4358.5532003177
3√n 266.82605436715
4√n 66.019339593166
5√n 28.558601768681

Divisors of 18996986

1, 2, 31, 61, 62, 122, 1891, 3782, 5023, 10046, 155713, 306403, 311426, 612806, 9498493, 18996986

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 -18996985
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 18996986 can be divided by 16 positive divisors. The sum of these divisors (counting 18996986) is 1, the average is 0.0625.

Base conversion 18996986

Base System Value
2 Binary 1001000011101111011111010
3 Ternary 1022202010222002
4 Quaternary 1020131323322
5 Quinary 14330400421
6 Senary 1515101002
8 Octal 110357372
10 Decimal 18996986
12 Duodecimal 6441762
16 Hexadecimal 121defa
20 Vigesimal 5iec96
36 Base36 bb662

Cryptographic Hash Functions

md5 1f40e14016c2f726889b78dc6eea0c74
sha1 364ceac3fe440d0d06e63ac77f0b79a7890c6ff4
sha256 e6c82e68810cf9e5abb82e7e7f12af813527917ea83ef3db98e6cea1ab28ca0e
sha512 cc390bd26610db6a6f2309b3c85f445e324db3121c409be6180e4e86356e199aafb8805041ea3660fb2fd7bea4d681cbfa2be82654a816d867e1ad9fac73d1bd
ripemd-160 1bfecd8a4e3a27517210d8306f85934f220a1f0a

18996986 as geometric shapes

Circle

Radius = n
Diameter 37993972
Circumference 119361583.3159
Area 1.133755163595E+15

Sphere

Radius = n
Volume 2.8717241293655E+22
Surface area 4.5350206543798E+15
Circumference 119361583.3159

Square

Length = n
Perimeter 75987944
Area 360885477084196
Diagonal 26865795.245412

Cube

Length = n
Surface area 2165312862505176
Volume 6.8557363557718E+21
Space diagonal 32903744.942675

Equilateral Triangle

Length = n
Perimeter 56990958
Area 1.5626799550589E+14
Altitude 16451872.471337

Triangular Pyramid

Length = n
Surface area 1.5626799550589E+14
Volume 8.0795627786556E+20
Height 8955265.0818039