18742542 (number)

18742542 is an even 8-digits composite number following 18742541 and preceding 18742543. In scientific notation, it is written as 1.8742542 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 4942944 positive integers (up to 18742542) that are relatively prime to 18742542.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred forty-two thousand five hundred forty-two

Notation

Scientific notation 1.8742542 × 10^7
Engineering notation 1.8742542 × 10^6

Prime Factorization of 18742542

Prime Factorization 2 × 39 × 7 × 34327

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18742542
Product of the distinct prime numbers

The prime factorization of 18742542 is 2 × 39 × 7 × 34327. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 48, 95, 318, 225, 6866, 3895, 10679, 94032, 58160, 985767, 6083231, 9012075, 38302829, 32305318, 727966402, 150864913, 3387155489, 4204810038

Basic calculations (n = 18742542)

Multiplication

n×y
n×2 37485084
n×3 56227626
n×4 74970168
n×5 93712710

Division

n÷y
n÷2 9371271
n÷3 6247514
n÷3 4685635.5
n÷5 3748508.4

Exponentiation

ny
n2 351282880621764
n3 6.5839341439344E+21
n4 1.2339966221792E+29
n5 2.3128233519053E+36

Nth Root

y√n
2√n 4329.2657576083
3√n 265.62941403507
4√n 65.797156151374
5√n 28.481686285412

Divisors of 18742542

1, 2, 7, 14, 39, 78, 273, 546, 34327, 68654, 240289, 480578, 1338753, 2677506, 9371271, 18742542

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 -18742541
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 18742542 can be divided by 16 positive divisors. The sum of these divisors (counting 18742542) is 1, the average is 0.0625.

Base conversion 18742542

Base System Value
2 Binary 1000111011111110100001110
3 Ternary 1022021012221020
4 Quaternary 1013133310032
5 Quinary 14244230132
6 Senary 1505415010
8 Octal 107376416
10 Decimal 18742542
12 Duodecimal 633a466
16 Hexadecimal 11dfd0e
20 Vigesimal 5h2g72
36 Base36 b5pu6

Cryptographic Hash Functions

md5 fc41d355f8e0e6944ca97c01613d7556
sha1 2870660258a9115c241be0963a81762085cfa06e
sha256 c8e84555f0b6290efa329d2815c11b0bcfe928829ffc839205ca0c335e07582d
sha512 88f45472e274ed3cf6f137b0d74f90ce3ca029c23d160c053d3d196914f3059a25c95a3ec5e19cab6b43d9b8bab41c2045856bfd38ac2dc73badad1866c58a4e
ripemd-160 ac095015b381727d2426dbab4794390df2279fae

18742542 as geometric shapes

Circle

Radius = n
Diameter 37485084
Circumference 117762864.5136
Area 1.1035877170932E+15

Sphere

Radius = n
Volume 2.7578718851071E+22
Surface area 4.4143508683728E+15
Circumference 117762864.5136

Square

Length = n
Perimeter 74970168
Area 351282880621764
Diagonal 26505957.089747

Cube

Length = n
Surface area 2107697283730584
Volume 6.5839341439344E+21
Space diagonal 32463035.006994

Equilateral Triangle

Length = n
Perimeter 56227626
Area 1.5210994926651E+14
Altitude 16231517.503497

Triangular Pyramid

Length = n
Surface area 1.5210994926651E+14
Volume 7.7592408001028E+20
Height 8835319.0299158