18742738 (number)

18742738 is an even 8-digits composite number following 18742737 and preceding 18742739. In scientific notation, it is written as 1.8742738 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 7430400 positive integers (up to 18742738) that are relatively prime to 18742738.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred forty-two thousand seven hundred thirty-eight

Notation

Scientific notation 1.8742738 × 10^7
Engineering notation 1.8742738 × 10^6

Prime Factorization of 18742738

Prime Factorization 2 × 119 × 61 × 1291

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18742738
Product of the distinct prime numbers

The prime factorization of 18742738 is 2 × 119 × 61 × 1291. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 14, 63, 295, 607, 4881, 1363, 87113, 78515, 218025, 379100, 139562, 5257669, 76014788, 80783943, 87297189, 263706253, 5887062848, 1936459830

Basic calculations (n = 18742738)

Multiplication

n×y
n×2 37485476
n×3 56228214
n×4 74970952
n×5 93713690

Division

n÷y
n÷2 9371369
n÷3 6247579.3333333
n÷3 4685684.5
n÷5 3748547.6

Exponentiation

ny
n2 351290227736644
n3 6.5841407004283E+21
n4 1.2340482410326E+29
n5 2.3129442861035E+36

Nth Root

y√n
2√n 4329.2883941821
3√n 265.63033997108
4√n 65.797328169023
5√n 28.481745854569

Divisors of 18742738

1, 2, 61, 119, 122, 238, 1291, 2582, 7259, 14518, 78751, 153629, 157502, 307258, 9371369, 18742738

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 -18742737
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 18742738 can be divided by 16 positive divisors. The sum of these divisors (counting 18742738) is 1, the average is 0.0625.

Base conversion 18742738

Base System Value
2 Binary 1000111011111110111010010
3 Ternary 1022021020012111
4 Quaternary 1013133313102
5 Quinary 14244231423
6 Senary 1505415534
8 Octal 107376722
10 Decimal 18742738
12 Duodecimal 633a5aa
16 Hexadecimal 11dfdd2
20 Vigesimal 5h2ggi
36 Base36 b5pzm

Cryptographic Hash Functions

md5 f7e93cb96d32bd3614b2d0c407f794c6
sha1 8eee40b9e45f94422b52ca568dd879be2e75be1e
sha256 609684cf5b2079308844adcfb661f35fd232c31701b560544bdf2eaa5097b31a
sha512 637686ec44c80e78e02396e31ca4fb9ad2660ec5c3e698a823537ac3850552008ab1cc6a5bf87fbf5dc20cafe9fc419903d119dcf33f38bcc0235afcd23f5817
ripemd-160 e9078f647206466903f3f272b8f04a83486f67c0

18742738 as geometric shapes

Circle

Radius = n
Diameter 37485476
Circumference 117764096.01792
Area 1.1036107987353E+15

Sphere

Radius = n
Volume 2.7579584072889E+22
Surface area 4.4144431949413E+15
Circumference 117764096.01792

Square

Length = n
Perimeter 74970952
Area 351290227736644
Diagonal 26506234.275606

Cube

Length = n
Surface area 2107741366419864
Volume 6.5841407004283E+21
Space diagonal 32463374.488952

Equilateral Triangle

Length = n
Perimeter 56228214
Area 1.5211313066058E+14
Altitude 16231687.244476

Triangular Pyramid

Length = n
Surface area 1.5211313066058E+14
Volume 7.7594842292653E+20
Height 8835411.4252019