18994908 (number)

18994908 is an even 8-digits composite number following 18994907 and preceding 18994909. In scientific notation, it is written as 1.8994908 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors. There are 5998320 positive integers (up to 18994908) that are relatively prime to 18994908.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-four thousand nine hundred eight

Notation

Scientific notation 1.8994908 × 10^7
Engineering notation 1.8994908 × 10^6

Prime Factorization of 18994908

Prime Factorization 2 × 2 × 3 × 19 × 83311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9497454
Product of the distinct prime numbers

The prime factorization of 18994908 is 2 × 2 × 3 × 19 × 83311. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18994908)

Multiplication

n×y
n×2 37989816
n×3 56984724
n×4 75979632
n×5 94974540

Division

n÷y
n÷2 9497454
n÷3 6331636
n÷3 4748727
n÷5 3798981.6

Exponentiation

ny
n2 360806529928464
n3 6.8534868417904E+21
n4 1.3018135203902E+29
n5 2.4727828052968E+36

Nth Root

y√n
2√n 4358.3148119428
3√n 266.81632502098
4√n 66.017534124979
5√n 28.557976960396

Divisors of 18994908

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18994907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18994908 can be divided by 24 positive divisors. The sum of these divisors (counting 18994908) is 1, the average is 0.041666666666667.

Base conversion 18994908

Base System Value
2 Binary 1001000011101011011011100
3 Ternary 1022202001010010
4 Quaternary 1020131123130
5 Quinary 14330314113
6 Senary 1515043220
8 Octal 110353334
10 Decimal 18994908
12 Duodecimal 6440510
16 Hexadecimal 121d6dc
20 Vigesimal 5ie758
36 Base36 bb4kc

Cryptographic Hash Functions

md5 8d402a4375094e435ad6e21bc91505fa
sha1 15c803228004373e48aae6b87c892096cf462166
sha256 15129fdc7ff7f161451fc78c4b30f0bd60c0e4a36747f472718819af6c3164aa
sha512 61afd326f5be3a1d60a88ef2614126b56f43ea0061454b3fa2ddf95dfe1a4a31057867627851e2a839f39bdfc00c6dbae9f206f272a8dbd2b3d093398aa57014
ripemd-160 e2ba67a226bdfb3783b860243175373d339560b5

18994908 as geometric shapes

Circle

Radius = n
Diameter 37989816
Circumference 119348526.85683
Area 1.1335071437905E+15

Sphere

Radius = n
Volume 2.8707818551524E+22
Surface area 4.534028575162E+15
Circumference 119348526.85683

Square

Length = n
Perimeter 75979632
Area 360806529928464
Diagonal 26862856.509629

Cube

Length = n
Surface area 2164839179570784
Volume 6.8534868417904E+21
Space diagonal 32900145.741097

Equilateral Triangle

Length = n
Perimeter 56984724
Area 1.5623381038468E+14
Altitude 16450072.870548

Triangular Pyramid

Length = n
Surface area 1.5623381038468E+14
Volume 8.0769117010046E+20
Height 8954285.5032097