18128812 (number)

18128812 is an even 8-digits composite number following 18128811 and preceding 18128813. In scientific notation, it is written as 1.8128812 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 7767360 positive integers (up to 18128812) that are relatively prime to 18128812.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8128812 × 10^7
Engineering notation 1.8128812 × 10^6

Prime Factorization of 18128812

Prime Factorization 2 × 2 × 767 × 19 × 311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9064406
Product of the distinct prime numbers

The prime factorization of 18128812 is 2 × 2 × 767 × 19 × 311. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 8, 24, 13, 103, 447, 7565, 5531, 3160, 77199, 273030, 995597, 2162018, 4982112, 87593060, 54204549, 331189948, 806412649, 59314604, 9426122873

Basic calculations (n = 18128812)

Multiplication

n×y
n×2 36257624
n×3 54386436
n×4 72515248
n×5 90644060

Division

n÷y
n÷2 9064406
n÷3 6042937.3333333
n÷3 4532203
n÷5 3625762.4

Exponentiation

ny
n2 328653824531344
n3 5.9581033980097E+21
n4 1.0801333637908E+29
n5 1.9581534687091E+36

Nth Root

y√n
2√n 4257.7942646398
3√n 262.69780766892
4√n 65.251775950083
5√n 28.292665763657

Divisors of 18128812

1, 2, 4, 19, 38, 76, 311, 622, 767, 1244, 1534, 3068, 5909, 11818, 14573, 23636, 29146, 58292, 238537, 477074, 954148, 4532203, 9064406, 18128812

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18128811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18128812 can be divided by 24 positive divisors. The sum of these divisors (counting 18128812) is 1, the average is 0.041666666666667.

Base conversion 18128812

Base System Value
2 Binary 1000101001001111110101100
3 Ternary 1021010001001111
4 Quaternary 1011021332230
5 Quinary 14120110222
6 Senary 1444321404
8 Octal 105117654
10 Decimal 18128812
12 Duodecimal 60a3264
16 Hexadecimal 1149fac
20 Vigesimal 5d620c
36 Base36 aska4

Cryptographic Hash Functions

md5 1368526f306b1e2d4b2df1f1e70fd2d5
sha1 625d2f8a51e469076876fb4112bf2d053d773290
sha256 86920a66977bc6ab44368e1b67185a3823936fbddea3a4b1a0aff7c1bfd9f485
sha512 6d0358b2916d302737feaebc2d47b29fdd4fde91704552d42403528cb3200f4327b15331dbce2fab8bff95ec6ff227da249c718ff0336a31932b8cabeb939530
ripemd-160 95be07a8085cf8fc309816445edc5937e2616c4e

18128812 as geometric shapes

Circle

Radius = n
Diameter 36257624
Circumference 113906685.19502
Area 1.0324964407219E+15

Sphere

Radius = n
Volume 2.4957245152688E+22
Surface area 4.1299857628874E+15
Circumference 113906685.19502

Square

Length = n
Perimeter 72515248
Area 328653824531344
Diagonal 25638011.800112

Cube

Length = n
Surface area 1971922947188064
Volume 5.9581033980097E+21
Space diagonal 31400023.464864

Equilateral Triangle

Length = n
Perimeter 54386436
Area 1.4231128054753E+14
Altitude 15700011.732432

Triangular Pyramid

Length = n
Surface area 1.4231128054753E+14
Volume 7.0216921929055E+20
Height 8546003.9333707