Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

18018081 (number)

18018081 is an odd 8-digits composite number following 18018080 and preceding 18018082. In scientific notation, it is written as 1.8018081 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 12012048 positive integers (up to 18018081) that are relatively prime to 18018081.

Interesting facts

18018081 has 4 divisors, whose sum is 20020100
The reverse of 18018081 is 18081081
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	eighteen million eighteen thousand eighty-one

Notation

Scientific notation	1.8018081 × 10^7
Engineering notation	1.8018081 × 10^6

Prime Factorization of 18018081

Prime Factorization 9 × 2002009

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18018081	Product of the distinct prime numbers

The prime factorization of 18018081 is 9 × 2002009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 3, 17, 68, 94, 873, 8098, 4797, 47826, 3872, 95969, 678032, 8745862, 7937084, 2371635, 52297666, 415085470, 338962613, 6722786088, 6523720428

Basic calculations (n = 18018081)

Multiplication

n×y

n×2	36036162
n×3	54054243
n×4	72072324
n×5	90090405

Division

n÷y

n÷2	9009040.5
n÷3	6006027
n÷3	4504520.25
n÷5	3603616.2

Exponentiation

n^y

n²	324651242922561
n³	5.8495923917294E+21
n⁴	1.0539842953116E+29
n⁵	1.8990774405653E+36

Nth Root

^y√n

²√n	4244.7710185592
³√n	262.16186121295
⁴√n	65.151907251892
⁵√n	28.258018621858

Divisors of 18018081

1, 9, 2002009, 18018081

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18018080	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18018081 can be divided by 4 positive divisors. The sum of these divisors (counting 18018081) is 1, the average is 0.25.

Base conversion 18018081

Base	System	Value
2	Binary	1000100101110111100100001
3	Ternary	1020220102011100
4	Quaternary	1010232330201
5	Quinary	14103034311
6	Senary	1442105013
8	Octal	104567441
10	Decimal	18018081
12	Duodecimal	604b169
16	Hexadecimal	112ef21
20	Vigesimal	5cc541
36	Base36	aq6u9

Cryptographic Hash Functions

md5	42d0fff7f118bea5ef1aa851ff2b9e40
sha1	671de6701ed7f83a100fad9535b70a52a4f6407c
sha256	06ecc6cf9abd34e859742780bff53d02f8011e15ed1671933eb073756526d69a
sha512	e672177dec8fc120936308a86904bb9977c6858c1a2806d041d3b73a1645ef9b780547a8e5ebf9b0f48bd7781dda3f1df1ee97baeafc4181085e03e73ca41863
ripemd-160	8935ec88cd3d66b827a1ed2d2017eb4dd114c391

18018081 as geometric shapes

Circle

Radius = n

Diameter	36036162
Circumference	113210941.80277
Area	1.0199219597443E+15

Sphere

Radius = n

Volume	2.4502715312469E+22
Surface area	4.0796878389773E+15
Circumference	113210941.80277

Square

Length = n

Perimeter	72072324
Area	324651242922561
Diagonal	25481414.518137

Cube

Length = n

Surface area	1947907457535366
Volume	5.8495923917294E+21
Space diagonal	31208231.746891

Equilateral Triangle

Length = n

Perimeter	54054243
Area	1.4057811187057E+14
Altitude	15604115.873446

Triangular Pyramid

Length = n

Surface area	1.4057811187057E+14
Volume	6.8938107456151E+20
Height	8493804.839379