18989872 (number)

18989872 is an even 8-digits composite number following 18989871 and preceding 18989873. In scientific notation, it is written as 1.8989872 × 10^7. The sum of its digits is 52. It has a total of 6 prime factors and 20 positive divisors. There are 8631680 positive integers (up to 18989872) that are relatively prime to 18989872.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-nine thousand eight hundred seventy-two

Notation

Scientific notation 1.8989872 × 10^7
Engineering notation 1.8989872 × 10^6

Prime Factorization of 18989872

Prime Factorization 2 × 2 × 2 × 2 × 11 × 107897

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2373734
Product of the distinct prime numbers

The prime factorization of 18989872 is 2 × 2 × 2 × 2 × 11 × 107897. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 1, 63, 19, 912, 958, 6425, 4644, 97232, 24557, 796445, 676350, 3664728, 8689859, 78016320, 29738350, 629270310, 680787164, 9653050094, 9039267122

Basic calculations (n = 18989872)

Multiplication

n×y
n×2 37979744
n×3 56969616
n×4 75959488
n×5 94949360

Division

n÷y
n÷2 9494936
n÷3 6329957.3333333
n÷3 4747468
n÷5 3797974.4

Exponentiation

ny
n2 360615238576384
n3 6.848037221815E+21
n4 1.300433502935E+29
n5 2.4695065765248E+36

Nth Root

y√n
2√n 4357.7370274031
3√n 266.79274316107
4√n 66.013157986898
5√n 28.556462520566

Divisors of 18989872

1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 107897, 215794, 431588, 863176, 1186867, 1726352, 2373734, 4747468, 9494936, 18989872

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18989871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18989872 can be divided by 20 positive divisors. The sum of these divisors (counting 18989872) is 1, the average is 0.05.

Base conversion 18989872

Base System Value
2 Binary 1001000011100001100110000
3 Ternary 1022201210012121
4 Quaternary 1020130030300
5 Quinary 14330133442
6 Senary 1515004024
8 Octal 110341460
10 Decimal 18989872
12 Duodecimal 6439614
16 Hexadecimal 121c330
20 Vigesimal 5idedc
36 Base36 bb0og

Cryptographic Hash Functions

md5 bbe1a0640d739b1d45f3b1e9ddc43ecf
sha1 93c36834fe9a4f28bb84c89fc41616e8c4ac8abb
sha256 21e009c59f3dc9e258fc8c046917f4809fc3955d3aeae0f79d45e1a126398e42
sha512 459e788c1801963c24362ec6386a44567ed758d9fd8475099c72cde9cbb8ba4c1ab3dc3657ab9f6c84c3b05e063a70a5c3ef497b0326cb402690a07e76ebe8a2
ripemd-160 f37bb5d80d0a569aa1d11b243e8c34f2f21e61bb

18989872 as geometric shapes

Circle

Radius = n
Diameter 37979744
Circumference 119316884.73562
Area 1.1329061842841E+15

Sphere

Radius = n
Volume 2.8684991236751E+22
Surface area 4.5316247371364E+15
Circumference 119316884.73562

Square

Length = n
Perimeter 75959488
Area 360615238576384
Diagonal 26855734.530129

Cube

Length = n
Surface area 2163691431458304
Volume 6.848037221815E+21
Space diagonal 32891423.13323

Equilateral Triangle

Length = n
Perimeter 56969616
Area 1.5615097879947E+14
Altitude 16445711.566615

Triangular Pyramid

Length = n
Surface area 1.5615097879947E+14
Volume 8.0704892622721E+20
Height 8951911.510043