18381812 (number)

18381812 is an even 8-digits composite number following 18381811 and preceding 18381813. In scientific notation, it is written as 1.8381812 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 8977080 positive integers (up to 18381812) that are relatively prime to 18381812.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8381812 × 10^7
Engineering notation 1.8381812 × 10^6

Prime Factorization of 18381812

Prime Factorization 2 × 2 × 43 × 106871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9190906
Product of the distinct prime numbers

The prime factorization of 18381812 is 2 × 2 × 43 × 106871. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18381812)

Multiplication

n×y
n×2 36763624
n×3 55145436
n×4 73527248
n×5 91909060

Division

n÷y
n÷2 9190906
n÷3 6127270.6666667
n÷3 4595453
n÷5 3676362.4

Exponentiation

ny
n2 337891012403344
n3 6.2110490664879E+21
n4 1.1417033626296E+29
n5 2.0986576571625E+36

Nth Root

y√n
2√n 4287.4015440591
3√n 263.91420919164
4√n 65.478252451169
5√n 28.371197303651

Divisors of 18381812

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 -18381811
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 18381812 can be divided by 12 positive divisors. The sum of these divisors (counting 18381812) is 1, the average is 0.083333333333333.

Base conversion 18381812

Base System Value
2 Binary 1000110000111101111110100
3 Ternary 1021120220002212
4 Quaternary 1012013233310
5 Quinary 14201204222
6 Senary 1453552552
8 Octal 106075764
10 Decimal 18381812
12 Duodecimal 61a5758
16 Hexadecimal 1187bf4
20 Vigesimal 5eheac
36 Base36 axzhw

Cryptographic Hash Functions

md5 827a29a93f7e067771a47730ccdfc52b
sha1 9688edddd20cb9fee024dc25aa21aa21e8ecadf0
sha256 1a69bf3a2399d88fcaed949c37abde77a3486908a221604c8d26c7daee0c1242
sha512 62ab41b0fee8554eb69b2672ace7c7d8357fe42f9c2fc242fca32e5435c270dff9ec04c54d6f9a2ea3dfd5c2409b1b931a198378af44ebe049e9b484495a203c
ripemd-160 b986f6eef209bb997da9c71f7a099a328130933f

18381812 as geometric shapes

Circle

Radius = n
Diameter 36763624
Circumference 115496331.07774
Area 1.0615159222804E+15

Sphere

Radius = n
Volume 2.6016781491152E+22
Surface area 4.2460636891215E+15
Circumference 115496331.07774

Square

Length = n
Perimeter 73527248
Area 337891012403344
Diagonal 25995807.831393

Cube

Length = n
Surface area 2027346074420064
Volume 6.2110490664879E+21
Space diagonal 31838232.319179

Equilateral Triangle

Length = n
Perimeter 55145436
Area 1.4631110022587E+14
Altitude 15919116.15959

Triangular Pyramid

Length = n
Surface area 1.4631110022587E+14
Volume 7.3197915219933E+20
Height 8665269.2771308