18998427 (number)

18998427 is an odd 8-digits composite number following 18998426 and preceding 18998428. In scientific notation, it is written as 1.8998427 × 10^7. The sum of its digits is 48. It has a total of 6 prime factors and 32 positive divisors. There are 10541664 positive integers (up to 18998427) that are relatively prime to 18998427.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8998427 × 10^7
Engineering notation 1.8998427 × 10^6

Prime Factorization of 18998427

Prime Factorization 3 × 7 × 7 × 7 × 37 × 499

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 387723
Product of the distinct prime numbers

The prime factorization of 18998427 is 3 × 7 × 7 × 7 × 37 × 499. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 5, 34, 47, 149, 453, 3527, 6083, 48939, 58438, 14857, 495386, 9465923, 7203040, 26399490, 62024584, 717160265, 789582057, 8636418370, 5230533566

Basic calculations (n = 18998427)

Multiplication

n×y
n×2 37996854
n×3 56995281
n×4 75993708
n×5 94992135

Division

n÷y
n÷2 9499213.5
n÷3 6332809
n÷3 4749606.75
n÷5 3799685.4

Exponentiation

ny
n2 360940228474329
n3 6.8572965820329E+21
n4 1.302778485311E+29
n5 2.4750741950352E+36

Nth Root

y√n
2√n 4358.7185043313
3√n 266.8328008167
4√n 66.020591517581
5√n 28.559035013161

Divisors of 18998427

1, 3, 7, 21, 37, 49, 111, 147, 259, 343, 499, 777, 1029, 1497, 1813, 3493, 5439, 10479, 12691, 18463, 24451, 38073, 55389, 73353, 129241, 171157, 387723, 513471, 904687, 2714061, 6332809, 18998427

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18998426
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18998427 can be divided by 32 positive divisors. The sum of these divisors (counting 18998427) is 1, the average is 0.03125.

Base conversion 18998427

Base System Value
2 Binary 1001000011110010010011011
3 Ternary 1022202012221110
4 Quaternary 1020132102123
5 Quinary 14330422202
6 Senary 1515111403
8 Octal 110362233
10 Decimal 18998427
12 Duodecimal 6442563
16 Hexadecimal 121e49b
20 Vigesimal 5ieg17
36 Base36 bb7a3

Cryptographic Hash Functions

md5 d6be8d9c15d030bc43a77351b5d4fc37
sha1 bb266755919bb29c85a03f64aa935db268daf3af
sha256 ad24f2a047841b13d9923abbdde2eb4ad42246bb685c5ac4d4c136bd860ab0ab
sha512 ba0ac32e3716b4f89a6cb32377eb083bd3e03b133b39287d8c30c7d17d4b23efa48a326d6e500fd3b9a56422749fa216f8937f5ef0c8c379ffa699f474d17191
ripemd-160 191df5fc0d88241f26ad691adfdc81a3bdcdc66d

18998427 as geometric shapes

Circle

Radius = n
Diameter 37996854
Circumference 119370637.38592
Area 1.13392717016E+15

Sphere

Radius = n
Volume 2.8723776754134E+22
Surface area 4.5357086806399E+15
Circumference 119370637.38592

Square

Length = n
Perimeter 75993708
Area 360940228474329
Diagonal 26867833.127155

Cube

Length = n
Surface area 2165641370845974
Volume 6.8572965820329E+21
Space diagonal 32906240.827888

Equilateral Triangle

Length = n
Perimeter 56995281
Area 1.5629170355326E+14
Altitude 16453120.413944

Triangular Pyramid

Length = n
Surface area 1.5629170355326E+14
Volume 8.081401522938E+20
Height 8955944.3757184