18542989 (number)

18542989 is an odd 8-digits prime number following 18542988 and preceding 18542990. In scientific notation, it is written as 1.8542989 × 10^7. The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors. There are 18542988 positive integers (up to 18542989) that are relatively prime to 18542989.

Interesting facts

Basic properties

Name

Name eighteen million five hundred forty-two thousand nine hundred eighty-nine

Notation

Scientific notation 1.8542989 × 10^7
Engineering notation 1.8542989 × 10^6

Prime Factorization of 18542989

Prime Factorization 18542989

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18542989
Product of the distinct prime numbers

The prime factorization of 18542989 is 18542989. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18542989)

Multiplication

n×y
n×2 37085978
n×3 55628967
n×4 74171956
n×5 92714945

Division

n÷y
n÷2 9271494.5
n÷3 6180996.3333333
n÷3 4635747.25
n÷5 3708597.8

Exponentiation

ny
n2 343842441054121
n3 6.3758666021997E+21
n4 1.1822762427006E+29
n5 2.1922935363358E+36

Nth Root

y√n
2√n 4306.1571034973
3√n 264.68332410717
4√n 65.621315923237
5√n 28.42077707452

Divisors of 18542989

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18542990
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9271495
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4306.1572196101
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998921425
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18542989 can be divided by 2 positive divisors. The sum of these divisors (counting 18542989) is 18542990, the average is 9271495.

Base conversion 18542989

Base System Value
2 Binary 1000110101111000110001101
3 Ternary 1021220002012101
4 Quaternary 1012233012031
5 Quinary 14221333424
6 Senary 1501235101
8 Octal 106570615
10 Decimal 18542989
12 Duodecimal 6262a91
16 Hexadecimal 11af18d
20 Vigesimal 5fhh99
36 Base36 b1fv1

Cryptographic Hash Functions

md5 43b2ee233b59ce8785121b4bd19c8584
sha1 427151daeac0284f9543e618f38932d15193d31e
sha256 a7d78a881b6cb58f5904aadd1e13697523fc6af36aca3e0874cf85dfc647fe7f
sha512 d77aa7fef0567d17389b2682698a9f8228023b8fd7c6fbbcfba15a92c280d50adb01efa3244bf8e3c59cae24ebafa80533db31fd316ce3abc9fb010700126671
ripemd-160 62662dc9ef6ec467344d61e40926af5ed732f95a

18542989 as geometric shapes

Circle

Radius = n
Diameter 37085978
Circumference 116509036.03599
Area 1.080212886808E+15

Sphere

Radius = n
Volume 2.6707167570319E+22
Surface area 4.320851547232E+15
Circumference 116509036.03599

Square

Length = n
Perimeter 74171956
Area 343842441054121
Diagonal 26223746.530735

Cube

Length = n
Surface area 2063054646324726
Volume 6.3758666021997E+21
Space diagonal 32117399.072191

Equilateral Triangle

Length = n
Perimeter 55628967
Area 1.4888814442606E+14
Altitude 16058699.536095

Triangular Pyramid

Length = n
Surface area 1.4888814442606E+14
Volume 7.5140308505937E+20
Height 8741248.8435784