18898984 (number)

18898984 is an even 8-digits composite number following 18898983 and preceding 18898985. In scientific notation, it is written as 1.8898984 × 10^7. The sum of its digits is 55. It has a total of 5 prime factors and 16 positive divisors. There are 8722560 positive integers (up to 18898984) that are relatively prime to 18898984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8898984 × 10^7
Engineering notation 1.8898984 × 10^6

Prime Factorization of 18898984

Prime Factorization 2 × 2 × 2 × 13 × 181721

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4724746
Product of the distinct prime numbers

The prime factorization of 18898984 is 2 × 2 × 2 × 13 × 181721. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18898984)

Multiplication

n×y
n×2 37797968
n×3 56696952
n×4 75595936
n×5 94494920

Division

n÷y
n÷2 9449492
n÷3 6299661.3333333
n÷3 4724746
n÷5 3779796.8

Exponentiation

ny
n2 357171596232256
n3 6.7501802824479E+21
n4 1.275715491551E+29
n5 2.4109726663374E+36

Nth Root

y√n
2√n 4347.296171185
3√n 266.366427366
4√n 65.934028931842
5√n 28.529075048681

Divisors of 18898984

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 -18898983
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 18898984 can be divided by 16 positive divisors. The sum of these divisors (counting 18898984) is 1, the average is 0.0625.

Base conversion 18898984

Base System Value
2 Binary 1001000000110000000101000
3 Ternary 1022120011112101
4 Quaternary 1020012000220
5 Quinary 14314231414
6 Senary 1513023144
8 Octal 110060050
10 Decimal 18898984
12 Duodecimal 63b4ab4
16 Hexadecimal 1206028
20 Vigesimal 5i2794
36 Base36 b92js

Cryptographic Hash Functions

md5 0165c079950c742f4bc8d6a85dd61e85
sha1 91f68c9c19f87f1a195bd7bee77b19f8cf70e7c1
sha256 6bf2df439995feb4f7ca5c2c6c0f8957f5c509242c5d59c47940089366a7e17e
sha512 2566d693c718536386363264a2668856e77c7b23e3276e74f331ba1e8b31f60e3af34024ae4c5ea953d551fec03a45591953338e78a1cc1ddd9940b574c746ba
ripemd-160 74ec0cf072918c10a4ea5f6129e1b598b99f6c5b

18898984 as geometric shapes

Circle

Radius = n
Diameter 37797968
Circumference 118745818.58942
Area 1.1220876627942E+15

Sphere

Radius = n
Volume 2.827508904766E+22
Surface area 4.4883506511768E+15
Circumference 118745818.58942

Square

Length = n
Perimeter 75595936
Area 357171596232256
Diagonal 26727199.487872

Cube

Length = n
Surface area 2143029577393536
Volume 6.7501802824479E+21
Space diagonal 32734000.499431

Equilateral Triangle

Length = n
Perimeter 56696952
Area 1.5465983792369E+14
Altitude 16367000.249716

Triangular Pyramid

Length = n
Surface area 1.5465983792369E+14
Volume 7.955163753251E+20
Height 8909066.4959574