18042945 (number)

18042945 is an odd 8-digits composite number following 18042944 and preceding 18042946. In scientific notation, it is written as 1.8042945 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 9622896 positive integers (up to 18042945) that are relatively prime to 18042945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8042945 × 10^7
Engineering notation 1.8042945 × 10^6

Prime Factorization of 18042945

Prime Factorization 5 × 3 × 1202863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18042945
Product of the distinct prime numbers

The prime factorization of 18042945 is 5 × 3 × 1202863. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 6, 48, 31, 778, 248, 5973, 4316, 65146, 73613, 9672, 886641, 9776421, 7371074, 25654764, 49436124, 822898642, 905554511, 6059540215, 2465804152

Basic calculations (n = 18042945)

Multiplication

n×y
n×2 36085890
n×3 54128835
n×4 72171780
n×5 90214725

Division

n÷y
n÷2 9021472.5
n÷3 6014315
n÷3 4510736.25
n÷5 3608589

Exponentiation

ny
n2 325547864273025
n3 5.8738422099457E+21
n4 1.0598141193273E+29
n5 1.9122167865246E+36

Nth Root

y√n
2√n 4247.6987887561
3√n 262.28239562627
4√n 65.17437217769
5√n 28.265813235184

Divisors of 18042945

1, 3, 5, 15, 1202863, 3608589, 6014315, 18042945

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 -18042944
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 18042945 can be divided by 8 positive divisors. The sum of these divisors (counting 18042945) is 1, the average is 0.125.

Base conversion 18042945

Base System Value
2 Binary 1000100110101000001000001
3 Ternary 1020221200021020
4 Quaternary 1010311001001
5 Quinary 14104333240
6 Senary 1442420053
8 Octal 104650101
10 Decimal 18042945
12 Duodecimal 6061629
16 Hexadecimal 1135041
20 Vigesimal 5cf775
36 Base36 aqq0x

Cryptographic Hash Functions

md5 9938feebbcae644e5784afbdd7f3c23c
sha1 aaf22f7a5354ec206d53e2d75322474c9ba98154
sha256 dbde05f3206f81e9eb51c42d19441eca3336b7f50e7f53b23ee1b00d4819333b
sha512 189a1de2d0efd1cc54dd26e87ebe946cfaa97a0f0222f180280bd9d3dcb169b7b2918165aa6a70b908793eb5497c53207f9baff9b2e281b79145e3f14a055495
ripemd-160 d9da0c6e5a933aeea4915097e2770a6f25fb24d2

18042945 as geometric shapes

Circle

Radius = n
Diameter 36085890
Circumference 113367166.92225
Area 1.022738778792E+15

Sphere

Radius = n
Volume 2.4604292713481E+22
Surface area 4.0909551151679E+15
Circumference 113367166.92225

Square

Length = n
Perimeter 72171780
Area 325547864273025
Diagonal 25516577.524152

Cube

Length = n
Surface area 1953287185638150
Volume 5.8738422099457E+21
Space diagonal 31251297.458171

Equilateral Triangle

Length = n
Perimeter 54128835
Area 1.409663603041E+14
Altitude 15625648.729085

Triangular Pyramid

Length = n
Surface area 1.409663603041E+14
Volume 6.9223894304539E+20
Height 8505525.8413839