18989911 (number)

18989911 is an odd 8-digits composite number following 18989910 and preceding 18989912. In scientific notation, it is written as 1.8989911 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 17868600 positive integers (up to 18989911) that are relatively prime to 18989911.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8989911 × 10^7
Engineering notation 1.8989911 × 10^6

Prime Factorization of 18989911

Prime Factorization 19 × 151 × 6619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18989911
Product of the distinct prime numbers

The prime factorization of 18989911 is 19 × 151 × 6619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18989911)

Multiplication

n×y
n×2 37979822
n×3 56969733
n×4 75959644
n×5 94949555

Division

n÷y
n÷2 9494955.5
n÷3 6329970.3333333
n÷3 4747477.75
n÷5 3797982.2

Exponentiation

ny
n2 360616719787921
n3 6.8480794138846E+21
n4 1.300444185906E+29
n5 2.4695319350822E+36

Nth Root

y√n
2√n 4357.7415022004
3√n 266.79292580071
4√n 66.013191880112
5√n 28.556474249988

Divisors of 18989911

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 -18989910
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 18989911 can be divided by 8 positive divisors. The sum of these divisors (counting 18989911) is 1, the average is 0.125.

Base conversion 18989911

Base System Value
2 Binary 1001000011100001101010111
3 Ternary 1022201210021001
4 Quaternary 1020130031113
5 Quinary 14330134121
6 Senary 1515004131
8 Octal 110341527
10 Decimal 18989911
12 Duodecimal 6439647
16 Hexadecimal 121c357
20 Vigesimal 5idefb
36 Base36 bb0pj

Cryptographic Hash Functions

md5 4bde1c028717e4d95b16b59a87346b51
sha1 e37b1e1e391fc2779be5c4771fb453c5d1ae0aeb
sha256 52fc7f0f783634c6006742e84e1156f55facbf8c0070cf00c649014272cc8c3d
sha512 46a479045e6faca99b83b2478ecd49d620b826387a6ddf7ffddcd17f4673c4cb5c8337cee52052a709444a20c24f874025c772bd68a82fafdd4b589e25f72279
ripemd-160 3f735bd63e423739344d20f7c56910bb45b8bd46

18989911 as geometric shapes

Circle

Radius = n
Diameter 37979822
Circumference 119317129.77985
Area 1.1329108376474E+15

Sphere

Radius = n
Volume 2.8685167970479E+22
Surface area 4.5316433505895E+15
Circumference 119317129.77985

Square

Length = n
Perimeter 75959644
Area 360616719787921
Diagonal 26855789.684458

Cube

Length = n
Surface area 2163700318727526
Volume 6.8480794138846E+21
Space diagonal 32891490.683211

Equilateral Triangle

Length = n
Perimeter 56969733
Area 1.5615162018288E+14
Altitude 16445745.341606

Triangular Pyramid

Length = n
Surface area 1.5615162018288E+14
Volume 8.070538986103E+20
Height 8951929.8948193