18388812 (number)

18388812 is an even 8-digits composite number following 18388811 and preceding 18388813. In scientific notation, it is written as 1.8388812 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 5658048 positive integers (up to 18388812) that are relatively prime to 18388812.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-eight thousand eight hundred twelve

Notation

Scientific notation 1.8388812 × 10^7
Engineering notation 1.8388812 × 10^6

Prime Factorization of 18388812

Prime Factorization 2 × 2 × 39 × 117877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9194406
Product of the distinct prime numbers

The prime factorization of 18388812 is 2 × 2 × 39 × 117877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18388812)

Multiplication

n×y
n×2 36777624
n×3 55166436
n×4 73555248
n×5 91944060

Division

n÷y
n÷2 9194406
n÷3 6129604
n÷3 4597203
n÷5 3677762.4

Exponentiation

ny
n2 338148406771344
n3 6.2181474802178E+21
n4 1.14344345002E+29
n5 2.1026566635049E+36

Nth Root

y√n
2√n 4288.2178116322
3√n 263.9477054362
4√n 65.484485274241
5√n 28.373357788555

Divisors of 18388812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18388811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18388812 can be divided by 12 positive divisors. The sum of these divisors (counting 18388812) is 1, the average is 0.083333333333333.

Base conversion 18388812

Base System Value
2 Binary 1000110001001011101001100
3 Ternary 1021121020201010
4 Quaternary 1012021131030
5 Quinary 14201420222
6 Senary 1454045220
8 Octal 106113514
10 Decimal 18388812
12 Duodecimal 61a9810
16 Hexadecimal 118974c
20 Vigesimal 5eic0c
36 Base36 ay4wc

Cryptographic Hash Functions

md5 d0f3b4de185b23a74d94e0d77f66a0fe
sha1 c716dbaca6048d33e2ffb4f75e61df40ffccdd24
sha256 ef5bdf7ab793439a8be38093b61511f2b801535cd9d0bdc595a10c2549bad7fb
sha512 cabdf18ddc214b9d4a950c07c9457758504bedef78f775d8064062830a493cf5a7a8ef0143d24b27282844a6c91d9b17a1e983bee82adae34987b98ba8b68ab2
ripemd-160 44361662752200f74f1b6063451c84d03ffe453e

18388812 as geometric shapes

Circle

Radius = n
Diameter 36777624
Circumference 115540313.37489
Area 1.0623245505359E+15

Sphere

Radius = n
Volume 2.6046515257053E+22
Surface area 4.2492982021438E+15
Circumference 115540313.37489

Square

Length = n
Perimeter 73555248
Area 338148406771344
Diagonal 26005707.326329

Cube

Length = n
Surface area 2028890440628064
Volume 6.2181474802178E+21
Space diagonal 31850356.674832

Equilateral Triangle

Length = n
Perimeter 55166436
Area 1.4642255525661E+14
Altitude 15925178.337416

Triangular Pyramid

Length = n
Surface area 1.4642255525661E+14
Volume 7.3281570828E+20
Height 8668569.1087764