18118640 (number)

18118640 is an even 8-digits composite number following 18118639 and preceding 18118641. In scientific notation, it is written as 1.8118640 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors. There are 7247424 positive integers (up to 18118640) that are relatively prime to 18118640.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighteen thousand six hundred forty

Notation

Scientific notation 1.8118640 × 10^7
Engineering notation 1.8118640 × 10^6

Prime Factorization of 18118640

Prime Factorization 2 × 2 × 2 × 2 × 5 × 226483

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2264830
Product of the distinct prime numbers

The prime factorization of 18118640 is 2 × 2 × 2 × 2 × 5 × 226483. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 5, 6, 70, 699, 62, 1694, 8024, 60640, 70522, 841096, 877814, 839518, 8225858, 78666157, 46353137, 790364893, 673095480, 7189300164, 4248206719

Basic calculations (n = 18118640)

Multiplication

n×y
n×2 36237280
n×3 54355920
n×4 72474560
n×5 90593200

Division

n÷y
n÷2 9059320
n÷3 6039546.6666667
n÷3 4529660
n÷5 3623728

Exponentiation

ny
n2 328285115449600
n3 5.9480798241897E+21
n4 1.0777111702576E+29
n5 1.9526660717876E+36

Nth Root

y√n
2√n 4256.5995818258
3√n 262.6486655991
4√n 65.242620899423
5√n 28.289490071729

Divisors of 18118640

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226483, 452966, 905932, 1132415, 1811864, 2264830, 3623728, 4529660, 9059320, 18118640

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18118639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18118640 can be divided by 20 positive divisors. The sum of these divisors (counting 18118640) is 1, the average is 0.05.

Base conversion 18118640

Base System Value
2 Binary 1000101000111011111110000
3 Ternary 1021002112002202
4 Quaternary 1011013133300
5 Quinary 14114244030
6 Senary 1444202332
8 Octal 105073760
10 Decimal 18118640
12 Duodecimal 60993a8
16 Hexadecimal 11477f0
20 Vigesimal 5d4gc0
36 Base36 ascfk

Cryptographic Hash Functions

md5 02bf7764afeaa695f64d73afe83ccd43
sha1 ea0a07f113c1464e5b77e7d75a1f3adc14ba11d6
sha256 4262057caa76061fbbfe6f1e64951b32b98a22277d2d8fb1d3f1291a421eac9b
sha512 87bd9c2548680abd003d0c5a3106c88f64a413a638340ba73db097ae3f3b9b7242969ea209206c2421100b5265418c854c6bbf6626b9669413f8bb4e1e813bf9
ripemd-160 3f9df682d391de7d4e34cb2f71ce8a3d85250151

18118640 as geometric shapes

Circle

Radius = n
Diameter 36237280
Circumference 113842772.63408
Area 1.0313381069793E+15

Sphere

Radius = n
Volume 2.4915258504854E+22
Surface area 4.1253524279174E+15
Circumference 113842772.63408

Square

Length = n
Perimeter 72474560
Area 328285115449600
Diagonal 25623626.419756

Cube

Length = n
Surface area 1969710692697600
Volume 5.9480798241897E+21
Space diagonal 31382405.04405

Equilateral Triangle

Length = n
Perimeter 54355920
Area 1.4215162483183E+14
Altitude 15691202.522025

Triangular Pyramid

Length = n
Surface area 1.4215162483183E+14
Volume 7.0098792978724E+20
Height 8541208.8065852