18821406 (number)

18821406 is an even 8-digits composite number following 18821405 and preceding 18821407. In scientific notation, it is written as 1.8821406 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 5792864 positive integers (up to 18821406) that are relatively prime to 18821406.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred twenty-one thousand four hundred six

Notation

Scientific notation 1.8821406 × 10^7
Engineering notation 1.8821406 × 10^6

Prime Factorization of 18821406

Prime Factorization 2 × 3 × 23 × 29 × 4703

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18821406
Product of the distinct prime numbers

The prime factorization of 18821406 is 2 × 3 × 23 × 29 × 4703. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18821406)

Multiplication

n×y
n×2 37642812
n×3 56464218
n×4 75285624
n×5 94107030

Division

n÷y
n÷2 9410703
n÷3 6273802
n÷3 4705351.5
n÷5 3764281.2

Exponentiation

ny
n2 354245323816836
n3 6.6673950631581E+21
n4 1.2548974944609E+29
n5 2.3618935231632E+36

Nth Root

y√n
2√n 4338.3644383569
3√n 266.00146040994
4√n 65.866261760912
5√n 28.5056148291

Divisors of 18821406

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18821405
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18821406 can be divided by 32 positive divisors. The sum of these divisors (counting 18821406) is 1, the average is 0.03125.

Base conversion 18821406

Base System Value
2 Binary 1000111110011000100011110
3 Ternary 1022102020010010
4 Quaternary 1013303010132
5 Quinary 14304241111
6 Senary 1511224050
8 Octal 107630436
10 Decimal 18821406
12 Duodecimal 6378026
16 Hexadecimal 11f311e
20 Vigesimal 5hcda6
36 Base36 b7eou

Cryptographic Hash Functions

md5 003193709e3cedec712c4764cc1f56ef
sha1 6e3dea9a05ef4fbd55087548c3159cb6e2478d02
sha256 bbf49c27a7911bdffabd348ead3a725f39a0a458813ea466ba0dc1e79f6fcdb1
sha512 54581c6958702da1036b7f07a55720983de23494a8c55871b059b31ff77cf4cb990a03902523f6bd2ac4655898917ca2c683a3d62fc98dbf76cadbadbfcc0d70
ripemd-160 557dcacfaf6c7ad542843a20e5bbee6e7964f9d1

18821406 as geometric shapes

Circle

Radius = n
Diameter 37642812
Circumference 118258381.63966
Area 1.1128945068715E+15

Sphere

Radius = n
Volume 2.7928319131998E+22
Surface area 4.451578027486E+15
Circumference 118258381.63966

Square

Length = n
Perimeter 75285624
Area 354245323816836
Diagonal 26617487.62813

Cube

Length = n
Surface area 2125471942901016
Volume 6.6673950631581E+21
Space diagonal 32599631.461882

Equilateral Triangle

Length = n
Perimeter 56464218
Area 1.5339272479861E+14
Altitude 16299815.730941

Triangular Pyramid

Length = n
Surface area 1.5339272479861E+14
Volume 7.8576004366814E+20
Height 8872495.8760435