18081288 (number)

18081288 is an even 8-digits composite number following 18081287 and preceding 18081289. In scientific notation, it is written as 1.8081288 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 48 positive divisors. There are 5968224 positive integers (up to 18081288) that are relatively prime to 18081288.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand two hundred eighty-eight

Notation

Scientific notation 1.8081288 × 10^7
Engineering notation 1.8081288 × 10^6

Prime Factorization of 18081288

Prime Factorization 2 × 2 × 2 × 3 × 3 × 107 × 2347

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1506774
Product of the distinct prime numbers

The prime factorization of 18081288 is 2 × 2 × 2 × 3 × 3 × 107 × 2347. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081288)

Multiplication

n×y
n×2 36162576
n×3 54243864
n×4 72325152
n×5 90406440

Division

n÷y
n÷2 9040644
n÷3 6027096
n÷3 4520322
n÷5 3616257.6

Exponentiation

ny
n2 326932975738944
n3 5.9113692910329E+21
n4 1.0688517062552E+29
n5 1.9326215530092E+36

Nth Root

y√n
2√n 4252.2097784564
3√n 262.46805597679
4√n 65.208970076642
5√n 28.277816552617

Divisors of 18081288

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18081287
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18081288 can be divided by 48 positive divisors. The sum of these divisors (counting 18081288) is 1, the average is 0.020833333333333.

Base conversion 18081288

Base System Value
2 Binary 1000100111110011000001000
3 Ternary 1021000121212100
4 Quaternary 1010332120020
5 Quinary 14112100123
6 Senary 1443313400
8 Octal 104763010
10 Decimal 18081288
12 Duodecimal 607b860
16 Hexadecimal 113e608
20 Vigesimal 5d0348
36 Base36 arjm0

Cryptographic Hash Functions

md5 d3c397d98276ab1fa2d5a0bdf6ad41d5
sha1 8b8a1a84b6550af608c9c465ffeee29e93b7c7f1
sha256 2fd99ff63dc6dac9b467fbd6ffe2a1e2c0c8b9e89afd93350c5a72bc379461d0
sha512 68c153daa72864da3dd70fb86c763a27bf012c0ea334a70e3cf63c47e2dff60322fb61d41e86e66899c11a74e1be7e3db3cdbb393cb2e2c14e53ad6b3e1df8df
ripemd-160 9aae1117530f75db4e1e57f39b357a556acc2799

18081288 as geometric shapes

Circle

Radius = n
Diameter 36162576
Circumference 113608083.09648
Area 1.0270902347977E+15

Sphere

Radius = n
Volume 2.4761485783154E+22
Surface area 4.1083609391909E+15
Circumference 113608083.09648

Square

Length = n
Perimeter 72325152
Area 326932975738944
Diagonal 25570802.714774

Cube

Length = n
Surface area 1961597854433664
Volume 5.9113692910329E+21
Space diagonal 31317709.482285

Equilateral Triangle

Length = n
Perimeter 54243864
Area 1.4156613116238E+14
Altitude 15658854.741143

Triangular Pyramid

Length = n
Surface area 1.4156613116238E+14
Volume 6.9666155196454E+20
Height 8523600.9049246