18289945 (number)

18289945 is an odd 8-digits composite number following 18289944 and preceding 18289946. In scientific notation, it is written as 1.8289945 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 13830784 positive integers (up to 18289945) that are relatively prime to 18289945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8289945 × 10^7
Engineering notation 1.8289945 × 10^6

Prime Factorization of 18289945

Prime Factorization 89 × 5 × 23 × 1787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18289945
Product of the distinct prime numbers

The prime factorization of 18289945 is 89 × 5 × 23 × 1787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18289945)

Multiplication

n×y
n×2 36579890
n×3 54869835
n×4 73159780
n×5 91449725

Division

n÷y
n÷2 9144972.5
n÷3 6096648.3333333
n÷3 4572486.25
n÷5 3657989

Exponentiation

ny
n2 334522088103025
n3 6.1183905926895E+21
n4 1.1190502742881E+29
n5 2.0467367968964E+36

Nth Root

y√n
2√n 4276.6745258436
3√n 263.47381900185
4√n 65.396288318556
5√n 28.342782228689

Divisors of 18289945

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18289944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18289945 can be divided by 16 positive divisors. The sum of these divisors (counting 18289945) is 1, the average is 0.0625.

Base conversion 18289945

Base System Value
2 Binary 1000101110001010100011001
3 Ternary 1021102020002101
4 Quaternary 1011301110121
5 Quinary 14140234240
6 Senary 1452003401
8 Octal 105612431
10 Decimal 18289945
12 Duodecimal 6160561
16 Hexadecimal 1171519
20 Vigesimal 5e64h5
36 Base36 aw0m1

Cryptographic Hash Functions

md5 2c010d949277ec6a7d69cfb0c48bdd1a
sha1 926113cf560434c0f381e029790debf863c75ead
sha256 574cc38cf0091120bf67a4af08cec6c21b2f264ff5bf0ffdf428c37923cf3193
sha512 1b9afa7d4abbcd9e629d290a498fdb32b4a0eb8b5c9dfee8714a8df05b790a4974e27c9b4d4612f7a2a2759f059ff9decb5fa06f37d4085b09c612710cf2815c
ripemd-160 fde3389f290110fb8645814ea655b7ed7c27cca0

18289945 as geometric shapes

Circle

Radius = n
Diameter 36579890
Circumference 114919113.69312
Area 1.050932134448E+15

Sphere

Radius = n
Volume 2.5628654583715E+22
Surface area 4.2037285377919E+15
Circumference 114919113.69312

Square

Length = n
Perimeter 73159780
Area 334522088103025
Diagonal 25865888.274058

Cube

Length = n
Surface area 2007132528618150
Volume 6.1183905926895E+21
Space diagonal 31679114.00764

Equilateral Triangle

Length = n
Perimeter 54869835
Area 1.4485231321212E+14
Altitude 15839557.00382

Triangular Pyramid

Length = n
Surface area 1.4485231321212E+14
Volume 7.2105924633979E+20
Height 8621962.7580193