18078081 (number)

18078081 is an odd 8-digits composite number following 18078080 and preceding 18078082. In scientific notation, it is written as 1.8078081 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 10330320 positive integers (up to 18078081) that are relatively prime to 18078081.

Interesting facts

Basic properties

Name

Name eighteen million seventy-eight thousand eighty-one

Notation

Scientific notation 1.8078081 × 10^7
Engineering notation 1.8078081 × 10^6

Prime Factorization of 18078081

Prime Factorization 3 × 7 × 860861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18078081
Product of the distinct prime numbers

The prime factorization of 18078081 is 3 × 7 × 860861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 34, 50, 700, 190, 8495, 8101, 90622, 54395, 971612, 697652, 9287294, 9855287, 77128386, 30760097, 150792929, 596127120, 6967576981, 1234437548

Basic calculations (n = 18078081)

Multiplication

n×y
n×2 36156162
n×3 54234243
n×4 72312324
n×5 90390405

Division

n÷y
n÷2 9039040.5
n÷3 6026027
n÷3 4519520.25
n÷5 3615616.2

Exponentiation

ny
n2 326817012642561
n3 5.9082244267302E+21
n4 1.0680935975261E+29
n5 1.9309082571658E+36

Nth Root

y√n
2√n 4251.8326636875
3√n 262.45253745057
4√n 65.206078425922
5√n 28.276813378592

Divisors of 18078081

1, 3, 7, 21, 860861, 2582583, 6026027, 18078081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18078080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18078081 can be divided by 8 positive divisors. The sum of these divisors (counting 18078081) is 1, the average is 0.125.

Base conversion 18078081

Base System Value
2 Binary 1000100111101100110000001
3 Ternary 1021000110110120
4 Quaternary 1010331212001
5 Quinary 14111444311
6 Senary 1443250453
8 Octal 104754601
10 Decimal 18078081
12 Duodecimal 6079a29
16 Hexadecimal 113d981
20 Vigesimal 5cjf41
36 Base36 arh4x

Cryptographic Hash Functions

md5 c2ebc663d10bf475957f60c57d2d7eda
sha1 d98f8ea3e5164ed5c6d27dfbd2b0195d61c1d808
sha256 1500767f76cd2f3d9a48a23daf29a356524c85f38f6dc9cbc96da0f38f59c961
sha512 e69b02dca19db4e65205a6e95dea10713a4b7016f006b7dee32e1541c96556e947efa63b76e954a425027cf8524344b84678e2d6a79929b88828edfa0b84587d
ripemd-160 e78bde0477f4e1e92086f6cacb167813364e1251

18078081 as geometric shapes

Circle

Radius = n
Diameter 36156162
Circumference 113587932.9212
Area 1.026725925986E+15

Sphere

Radius = n
Volume 2.4748312606367E+22
Surface area 4.1069037039441E+15
Circumference 113587932.9212

Square

Length = n
Perimeter 72312324
Area 326817012642561
Diagonal 25566267.331879

Cube

Length = n
Surface area 1960902075855366
Volume 5.9082244267302E+21
Space diagonal 31312154.795346

Equilateral Triangle

Length = n
Perimeter 54234243
Area 1.415159176687E+14
Altitude 15656077.397673

Triangular Pyramid

Length = n
Surface area 1.415159176687E+14
Volume 6.9629092615216E+20
Height 8522089.1106265