18989818 (number)

18989818 is an even 8-digits composite number following 18989817 and preceding 18989819. In scientific notation, it is written as 1.8989818 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 9400800 positive integers (up to 18989818) that are relatively prime to 18989818.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8989818 × 10^7
Engineering notation 1.8989818 × 10^6

Prime Factorization of 18989818

Prime Factorization 2 × 101 × 94009

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18989818
Product of the distinct prime numbers

The prime factorization of 18989818 is 2 × 101 × 94009. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18989818)

Multiplication

n×y
n×2 37979636
n×3 56969454
n×4 75959272
n×5 94949090

Division

n÷y
n÷2 9494909
n÷3 6329939.3333333
n÷3 4747454.5
n÷5 3797963.6

Exponentiation

ny
n2 360613187673124
n3 6.8479788023125E+21
n4 1.3004187112377E+29
n5 2.4694714650199E+36

Nth Root

y√n
2√n 4357.7308315223
3√n 266.79249027501
4√n 66.013111057746
5√n 28.556446279796

Divisors of 18989818

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 -18989817
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 18989818 can be divided by 8 positive divisors. The sum of these divisors (counting 18989818) is 1, the average is 0.125.

Base conversion 18989818

Base System Value
2 Binary 1001000011100001011111010
3 Ternary 1022201210010121
4 Quaternary 1020130023322
5 Quinary 14330133233
6 Senary 1515003454
8 Octal 110341372
10 Decimal 18989818
12 Duodecimal 643958a
16 Hexadecimal 121c2fa
20 Vigesimal 5ideai
36 Base36 bb0my

Cryptographic Hash Functions

md5 a3ce5aebdf5d7f9d2fc785ab3c8f444e
sha1 b7b4c282d4a21cbf350202d7960d452b843a1fd9
sha256 dfbf3673ef408ec607bb446b9cf8525aa4f982b9611371b36113da64415a74b2
sha512 9c91f4ab9f04e90e8608f2d3f1a70fdadcbdefadba4f40e7656179dd9e6a4d150910989a2ec33b0f9f2ce9b3a3339416a491d9d23037ff7841a1e484de614482
ripemd-160 b75662e56530d9f712fe6ef4d159714b74591018

18989818 as geometric shapes

Circle

Radius = n
Diameter 37979636
Circumference 119316545.44361
Area 1.1328997411815E+15

Sphere

Radius = n
Volume 2.8684746529711E+22
Surface area 4.5315989647259E+15
Circumference 119316545.44361

Square

Length = n
Perimeter 75959272
Area 360613187673124
Diagonal 26855658.162597

Cube

Length = n
Surface area 2163679126038744
Volume 6.8479788023125E+21
Space diagonal 32891329.602486

Equilateral Triangle

Length = n
Perimeter 56969454
Area 1.5615009073231E+14
Altitude 16445664.801243

Triangular Pyramid

Length = n
Surface area 1.5615009073231E+14
Volume 8.0704204142281E+20
Height 8951886.0541989