18442989 (number)

18442989 is an odd 8-digits composite number following 18442988 and preceding 18442990. In scientific notation, it is written as 1.8442989 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 11880000 positive integers (up to 18442989) that are relatively prime to 18442989.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand nine hundred eighty-nine

Notation

Scientific notation 1.8442989 × 10^7
Engineering notation 1.8442989 × 10^6

Prime Factorization of 18442989

Prime Factorization 9 × 41 × 151 × 331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18442989
Product of the distinct prime numbers

The prime factorization of 18442989 is 9 × 41 × 151 × 331. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 33, 68, 884, 204, 4909, 1189, 40432, 98609, 682693, 261976, 2536761, 3669853, 16726898, 51116357, 188763233, 886965763, 6555005666, 3383929247

Basic calculations (n = 18442989)

Multiplication

n×y
n×2 36885978
n×3 55328967
n×4 73771956
n×5 92214945

Division

n÷y
n÷2 9221494.5
n÷3 6147663
n÷3 4610747.25
n÷5 3688597.8

Exponentiation

ny
n2 340143843254121
n3 6.2732691595535E+21
n4 1.1569783410368E+29
n5 2.1338138816981E+36

Nth Root

y√n
2√n 4294.5301256366
3√n 264.20666496657
4√n 65.532664569942
5√n 28.390056801679

Divisors of 18442989

1, 9, 41, 151, 331, 369, 1359, 2979, 6191, 13571, 49981, 55719, 122139, 449829, 2049221, 18442989

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 -18442988
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 18442989 can be divided by 16 positive divisors. The sum of these divisors (counting 18442989) is 1, the average is 0.0625.

Base conversion 18442989

Base System Value
2 Binary 1000110010110101011101101
3 Ternary 1021201000000200
4 Quaternary 1012112223231
5 Quinary 14210133424
6 Senary 1455144113
8 Octal 106265355
10 Decimal 18442989
12 Duodecimal 6215039
16 Hexadecimal 1196aed
20 Vigesimal 5f5799
36 Base36 azap9

Cryptographic Hash Functions

md5 45c410ca1d842f2bdcf7f534d029bff6
sha1 3e402e4d1ed23824d30c21ff349b8b269585e702
sha256 f77c713617b66d6c228fdf88d76ccaf88396d441082164066aa1ff67bdd4d20a
sha512 d235f5f467b63f4ea05c11cdb0054b782dadfe25caeea9a9dff6d3de68e88dc0588fc6a88e272a6cfbfa922c02908312ea6d8345cf9c5902e0b515a487e2dd54
ripemd-160 3fe62a9925561fd3a9b5fc2a4a020dbe652e6bf5

18442989 as geometric shapes

Circle

Radius = n
Diameter 36885978
Circumference 115880717.50527
Area 1.0685933991309E+15

Sphere

Radius = n
Volume 2.6277408407526E+22
Surface area 4.2743735965238E+15
Circumference 115880717.50527

Square

Length = n
Perimeter 73771956
Area 340143843254121
Diagonal 26082325.174498

Cube

Length = n
Surface area 2040863059524726
Volume 6.2732691595535E+21
Space diagonal 31944193.991434

Equilateral Triangle

Length = n
Perimeter 55328967
Area 1.4728660459947E+14
Altitude 15972096.995717

Triangular Pyramid

Length = n
Surface area 1.4728660459947E+14
Volume 7.3931186048812E+20
Height 8694108.3914993