20405418 (number)

20405418 is an even 8-digits composite number following 20405417 and preceding 20405419. In scientific notation, it is written as 2.0405418 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 6183440 positive integers (up to 20405418) that are relatively prime to 20405418.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand four hundred eighteen

Notation

Scientific notation 2.0405418 × 10^7
Engineering notation 2.0405418 × 10^6

Prime Factorization of 20405418

Prime Factorization 2 × 3 × 11 × 309173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20405418
Product of the distinct prime numbers

The prime factorization of 20405418 is 2 × 3 × 11 × 309173. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20405418)

Multiplication

n×y
n×2 40810836
n×3 61216254
n×4 81621672
n×5 102027090

Division

n÷y
n÷2 10202709
n÷3 6801806
n÷3 5101354.5
n÷5 4081083.6

Exponentiation

ny
n2 416381083754724
n3 8.4964300613082E+21
n4 1.7337320690876E+29
n5 3.5377527569737E+36

Nth Root

y√n
2√n 4517.2356591172
3√n 273.2636291953
4√n 67.210383566211
5√n 28.970040285021

Divisors of 20405418

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 -20405417
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 20405418 can be divided by 16 positive divisors. The sum of these divisors (counting 20405418) is 1, the average is 0.0625.

Base conversion 20405418

Base System Value
2 Binary 1001101110101110010101010
3 Ternary 1102101200222020
4 Quaternary 1031311302222
5 Quinary 20210433133
6 Senary 2005205310
8 Octal 115656252
10 Decimal 20405418
12 Duodecimal 6a00836
16 Hexadecimal 1375caa
20 Vigesimal 67adai
36 Base36 c5cx6

Cryptographic Hash Functions

md5 84dcc87f2712d2b6db4ac536f4dee976
sha1 bab1f0e2dae37f031a8de5301fa7e310245f1e93
sha256 68843b6808d64986af17b4aff5b03fbf646006e600c674fb4372b9a9cef96d4c
sha512 aeacdb1c65fbab788acc341fece819f5d54c31b50a55133da065bdc69a41b0b36c6e573ec80d8682418d40baa51281b4f5cced449e3a6cb1f77940a3a50f1ef3
ripemd-160 981f7df6076719fe12a83fef02fb2cce67b5d480

20405418 as geometric shapes

Circle

Radius = n
Diameter 40810836
Circumference 128211022.56446
Area 1.3080997538176E+15

Sphere

Radius = n
Volume 3.558976301646E+22
Surface area 5.2323990152704E+15
Circumference 128211022.56446

Square

Length = n
Perimeter 81621672
Area 416381083754724
Diagonal 28857618.881492

Cube

Length = n
Surface area 2498286502528344
Volume 8.4964300613082E+21
Space diagonal 35343220.725681

Equilateral Triangle

Length = n
Perimeter 61216254
Area 1.8029829809344E+14
Altitude 17671610.36284

Triangular Pyramid

Length = n
Surface area 1.8029829809344E+14
Volume 1.0013138853714E+21
Height 9619206.2938307