18821812 (number)

18821812 is an even 8-digits composite number following 18821811 and preceding 18821813. In scientific notation, it is written as 1.8821812 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 9086336 positive integers (up to 18821812) that are relatively prime to 18821812.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred twenty-one thousand eight hundred twelve

Notation

Scientific notation 1.8821812 × 10^7
Engineering notation 1.8821812 × 10^6

Prime Factorization of 18821812

Prime Factorization 2 × 2 × 29 × 162257

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9410906
Product of the distinct prime numbers

The prime factorization of 18821812 is 2 × 2 × 29 × 162257. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18821812)

Multiplication

n×y
n×2 37643624
n×3 56465436
n×4 75287248
n×5 94109060

Division

n÷y
n÷2 9410906
n÷3 6273937.3333333
n÷3 4705453
n÷5 3764362.4

Exponentiation

ny
n2 354260606963344
n3 6.66782654327E+21
n4 1.2550057764604E+29
n5 2.3621482783451E+36

Nth Root

y√n
2√n 4338.411229932
3√n 266.00337305162
4√n 65.866616961341
5√n 28.505737808008

Divisors of 18821812

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 -18821811
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 18821812 can be divided by 12 positive divisors. The sum of these divisors (counting 18821812) is 1, the average is 0.083333333333333.

Base conversion 18821812

Base System Value
2 Binary 1000111110011001010110100
3 Ternary 1022102020200011
4 Quaternary 1013303022310
5 Quinary 14304244222
6 Senary 1511230004
8 Octal 107631264
10 Decimal 18821812
12 Duodecimal 6378304
16 Hexadecimal 11f32b4
20 Vigesimal 5hceac
36 Base36 b7f04

Cryptographic Hash Functions

md5 92406a44afccca2a39f2d4edd4d6268f
sha1 84de2f92611c95b0f5742af2a5a9c5ec171a3a86
sha256 9cc77ffc547ece66090c025f1706e122f46eb2341837ed7fd0763d3fec9bb8d3
sha512 7f3ad26f44d5a1b2dccd5a0a85cfed5504e32ee48830182f036f70251a7192d7c8d7d2011b6d429ac1a6372d86ab1495476af03ed08ad59eb01b7981e7b406da
ripemd-160 d2c63a8fcab4a2b8328d54754a721633e6a64430

18821812 as geometric shapes

Circle

Radius = n
Diameter 37643624
Circumference 118260932.6129
Area 1.1129425202923E+15

Sphere

Radius = n
Volume 2.7930126511664E+22
Surface area 4.4517700811692E+15
Circumference 118260932.6129

Square

Length = n
Perimeter 75287248
Area 354260606963344
Diagonal 26618061.798837

Cube

Length = n
Surface area 2125563641780064
Volume 6.66782654327E+21
Space diagonal 32600334.67451

Equilateral Triangle

Length = n
Perimeter 56465436
Area 1.5339934259518E+14
Altitude 16300167.337255

Triangular Pyramid

Length = n
Surface area 1.5339934259518E+14
Volume 7.8581089408697E+20
Height 8872687.2662789