18989910 (number)

18989910 is an even 8-digits composite number following 18989909 and preceding 18989911. In scientific notation, it is written as 1.8989910 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 4976640 positive integers (up to 18989910) that are relatively prime to 18989910.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8989910 × 10^7
Engineering notation 1.8989910 × 10^6

Prime Factorization of 18989910

Prime Factorization 2 × 5 × 27 × 61 × 1153

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18989910
Product of the distinct prime numbers

The prime factorization of 18989910 is 2 × 5 × 27 × 61 × 1153. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18989910)

Multiplication

n×y
n×2 37979820
n×3 56969730
n×4 75959640
n×5 94949550

Division

n÷y
n÷2 9494955
n÷3 6329970
n÷3 4747477.5
n÷5 3797982

Exponentiation

ny
n2 360616681808100
n3 6.8480783320345E+21
n4 1.3004439119828E+29
n5 2.4695312848602E+36

Nth Root

y√n
2√n 4357.7413874621
3√n 266.79292111765
4√n 66.013191011055
5√n 28.556473949234

Divisors of 18989910

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 -18989909
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 18989910 can be divided by 32 positive divisors. The sum of these divisors (counting 18989910) is 1, the average is 0.03125.

Base conversion 18989910

Base System Value
2 Binary 1001000011100001101010110
3 Ternary 1022201210021000
4 Quaternary 1020130031112
5 Quinary 14330134120
6 Senary 1515004130
8 Octal 110341526
10 Decimal 18989910
12 Duodecimal 6439646
16 Hexadecimal 121c356
20 Vigesimal 5idefa
36 Base36 bb0pi

Cryptographic Hash Functions

md5 b69b7e4a2498cee1f996bdd7545a16ca
sha1 0cd70b6542a4e2a0dd0b7d4e301ed9f20d9e2f9e
sha256 0db78de235be18ba558f66acc7e72fef909b511462cef4a62cec7f6cde7ea43e
sha512 82ea8247ea94a41f79be3beca55ebeda6679d622b8ea55f0c3856d3fa762acae4470042ba435bcb3ce98890e3c50a722b6042e34b5d8b2dd5d8dc6efb43a5423
ripemd-160 a711642d363747bd499fe6ca81ed5c6c808464be

18989910 as geometric shapes

Circle

Radius = n
Diameter 37979820
Circumference 119317123.49666
Area 1.1329107183303E+15

Sphere

Radius = n
Volume 2.8685163438836E+22
Surface area 4.531642873321E+15
Circumference 119317123.49666

Square

Length = n
Perimeter 75959640
Area 360616681808100
Diagonal 26855788.270244

Cube

Length = n
Surface area 2163700090848600
Volume 6.8480783320345E+21
Space diagonal 32891488.95116

Equilateral Triangle

Length = n
Perimeter 56969730
Area 1.5615160373713E+14
Altitude 16445744.47558

Triangular Pyramid

Length = n
Surface area 1.5615160373713E+14
Volume 8.0705377111304E+20
Height 8951929.4234148