18742918 (number)

18742918 is an even 8-digits composite number following 18742917 and preceding 18742919. In scientific notation, it is written as 1.8742918 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 9358104 positive integers (up to 18742918) that are relatively prime to 18742918.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8742918 × 10^7
Engineering notation 1.8742918 × 10^6

Prime Factorization of 18742918

Prime Factorization 2 × 12613 × 743

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18742918
Product of the distinct prime numbers

The prime factorization of 18742918 is 2 × 12613 × 743. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18742918)

Multiplication

n×y
n×2 37485836
n×3 56228754
n×4 74971672
n×5 93714590

Division

n÷y
n÷2 9371459
n÷3 6247639.3333333
n÷3 4685729.5
n÷5 3748583.6

Exponentiation

ny
n2 351296975154724
n3 6.584330398973E+21
n4 1.2340956475286E+29
n5 2.3130553525785E+36

Nth Root

y√n
2√n 4329.3091827681
3√n 265.63119031479
4√n 65.797486143226
5√n 28.481800560499

Divisors of 18742918

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 -18742917
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 18742918 can be divided by 8 positive divisors. The sum of these divisors (counting 18742918) is 1, the average is 0.125.

Base conversion 18742918

Base System Value
2 Binary 1000111011111111010000110
3 Ternary 1022021020110011
4 Quaternary 1013133322012
5 Quinary 14244233133
6 Senary 1505420434
8 Octal 107377206
10 Decimal 18742918
12 Duodecimal 633a71a
16 Hexadecimal 11dfe86
20 Vigesimal 5h2h5i
36 Base36 b5q4m

Cryptographic Hash Functions

md5 321e30a8ae839b9259be77e2d0e06b76
sha1 61dec774cf365b4188105b123226fb63630aeee4
sha256 d666438e7be7099c16c12cc0e36aab8a24eefe4bbc8672cb594759d3b058a64f
sha512 6fff97c3aeeb153191cca240531eb287f724e0c36b188bdb92aae5e8ebab3aceaa92a5f8903dda86b6c7b8a736290f172feb2031ad8e96fc3a410c62386980f1
ripemd-160 e1c8389187989d5407bafa067c56f1c70ecaef46

18742918 as geometric shapes

Circle

Radius = n
Diameter 37485836
Circumference 117765226.99127
Area 1.1036319963744E+15

Sphere

Radius = n
Volume 2.7580378680295E+22
Surface area 4.4145279854976E+15
Circumference 117765226.99127

Square

Length = n
Perimeter 74971672
Area 351296975154724
Diagonal 26506488.834047

Cube

Length = n
Surface area 2107781850928344
Volume 6.584330398973E+21
Space diagonal 32463686.258097

Equilateral Triangle

Length = n
Perimeter 56228754
Area 1.5211605237831E+14
Altitude 16231843.129049

Triangular Pyramid

Length = n
Surface area 1.5211605237831E+14
Volume 7.7597077911443E+20
Height 8835496.2780156