18381208 (number)

18381208 is an even 8-digits composite number following 18381207 and preceding 18381209. In scientific notation, it is written as 1.8381208 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 8706816 positive integers (up to 18381208) that are relatively prime to 18381208.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-one thousand two hundred eight

Notation

Scientific notation 1.8381208 × 10^7
Engineering notation 1.8381208 × 10^6

Prime Factorization of 18381208

Prime Factorization 2 × 2 × 2 × 19 × 120929

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4595302
Product of the distinct prime numbers

The prime factorization of 18381208 is 2 × 2 × 2 × 19 × 120929. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 4, 84, 31, 177, 124, 4259, 2013, 50050, 63296, 414129, 353546, 396032, 2848020, 76003679, 25171255, 843287757, 562612564, 3031799829, 9249564171

Basic calculations (n = 18381208)

Multiplication

n×y
n×2 36762416
n×3 55143624
n×4 73524832
n×5 91906040

Division

n÷y
n÷2 9190604
n÷3 6127069.3333333
n÷3 4595302
n÷5 3676241.6

Exponentiation

ny
n2 337868807539264
n3 6.2104368280912E+21
n4 1.14155331108E+29
n5 2.0983128854051E+36

Nth Root

y√n
2√n 4287.3311045451
3√n 263.91131854574
4√n 65.477714564156
5√n 28.371010853824

Divisors of 18381208

1, 2, 4, 8, 19, 38, 76, 152, 120929, 241858, 483716, 967432, 2297651, 4595302, 9190604, 18381208

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 -18381207
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 18381208 can be divided by 16 positive divisors. The sum of these divisors (counting 18381208) is 1, the average is 0.0625.

Base conversion 18381208

Base System Value
2 Binary 1000110000111100110011000
3 Ternary 1021120212021111
4 Quaternary 1012013212120
5 Quinary 14201144313
6 Senary 1453550104
8 Octal 106074630
10 Decimal 18381208
12 Duodecimal 61a5334
16 Hexadecimal 1187998
20 Vigesimal 5ehd08
36 Base36 axz14

Cryptographic Hash Functions

md5 e342e6ab8d7726355026a5d87b059774
sha1 0f2106bda8d043f9797ed6ed85efe8ab13c681c6
sha256 b387b3316a537cf49e822a87549b9bdb0cee9c836cdfa95848d23b6554e8ad0b
sha512 da00889e6ab5141aa7f778290557c9cb66b985e9f53e39b92531b49fb2353897f417b9f832acbbcc34dd545935fbb0bdf495e6d59b0cfdc956c7ff1f86cb7a92
ripemd-160 21db82485072a85b104c12a3c7620fade1a669e1

18381208 as geometric shapes

Circle

Radius = n
Diameter 36762416
Circumference 115492536.03381
Area 1.0614461636425E+15

Sphere

Radius = n
Volume 2.6014216952953E+22
Surface area 4.24578465457E+15
Circumference 115492536.03381

Square

Length = n
Perimeter 73524832
Area 337868807539264
Diagonal 25994953.646401

Cube

Length = n
Surface area 2027212845235584
Volume 6.2104368280912E+21
Space diagonal 31837186.160492

Equilateral Triangle

Length = n
Perimeter 55143624
Area 1.4630148523768E+14
Altitude 15918593.080246

Triangular Pyramid

Length = n
Surface area 1.4630148523768E+14
Volume 7.3190699921232E+20
Height 8664984.5488003