18984938 (number)

18984938 is an even 8-digits composite number following 18984937 and preceding 18984939. In scientific notation, it is written as 1.8984938 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 8136396 positive integers (up to 18984938) that are relatively prime to 18984938.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-four thousand nine hundred thirty-eight

Notation

Scientific notation 1.8984938 × 10^7
Engineering notation 1.8984938 × 10^6

Prime Factorization of 18984938

Prime Factorization 2 × 7 × 1356067

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18984938
Product of the distinct prime numbers

The prime factorization of 18984938 is 2 × 7 × 1356067. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18984938)

Multiplication

n×y
n×2 37969876
n×3 56954814
n×4 75939752
n×5 94924690

Division

n÷y
n÷2 9492469
n÷3 6328312.6666667
n÷3 4746234.5
n÷5 3796987.6

Exponentiation

ny
n2 360427870863844
n3 6.8427007818221E+21
n4 1.2990825009544E+29
n5 2.4663000737505E+36

Nth Root

y√n
2√n 4357.1708711043
3√n 266.76963488846
4√n 66.00886963965
5√n 28.554978442825

Divisors of 18984938

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18984937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18984938 can be divided by 8 positive divisors. The sum of these divisors (counting 18984938) is 1, the average is 0.125.

Base conversion 18984938

Base System Value
2 Binary 1001000011010111111101010
3 Ternary 1022201112102212
4 Quaternary 1020122333222
5 Quinary 14330004223
6 Senary 1514525122
8 Octal 110327752
10 Decimal 18984938
12 Duodecimal 64367a2
16 Hexadecimal 121afea
20 Vigesimal 5id26i
36 Base36 bawve

Cryptographic Hash Functions

md5 865d9dd930fc964c5d7e7859ae36547b
sha1 e215840f90b5a29c5385c73b32346f04c0623f17
sha256 c34f646560150cc727a7e432e5da87817db4cbbd3b276efcb1d5993173ea22b0
sha512 b7268aff39657e43675d6b022062bc20bd72c1b481e9fff7f200e323af7f0a5cadbd77406b3deb126e8c23bae0887bb44ab7e5fd52aebf3569c754f5130e2a8b
ripemd-160 e6029cf685640c2b68250eea27377f1b20a86cce

18984938 as geometric shapes

Circle

Radius = n
Diameter 37969876
Circumference 119285883.49932
Area 1.1323175512549E+15

Sphere

Radius = n
Volume 2.8662638009181E+22
Surface area 4.5292702050195E+15
Circumference 119285883.49932

Square

Length = n
Perimeter 75939752
Area 360427870863844
Diagonal 26848756.800412

Cube

Length = n
Surface area 2162567225183064
Volume 6.8427007818221E+21
Space diagonal 32882877.194545

Equilateral Triangle

Length = n
Perimeter 56954814
Area 1.5606984620001E+14
Altitude 16441438.597273

Triangular Pyramid

Length = n
Surface area 1.5606984620001E+14
Volume 8.0642002074281E+20
Height 8949585.6001374