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

18012989 (number)

18012989 is an odd 8-digits composite number following 18012988 and preceding 18012990. In scientific notation, it is written as 1.8012989 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 18001980 positive integers (up to 18012989) that are relatively prime to 18012989.

Interesting facts

18012989 has 4 divisors, whose sum is 18024000
The reverse of 18012989 is 98921081
Previous prime number is 1999

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighteen million twelve thousand nine hundred eighty-nine

Notation

Scientific notation	1.8012989 × 10^7
Engineering notation	1.8012989 × 10^6

Prime Factorization of 18012989

Prime Factorization 1999 × 9011

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18012989	Product of the distinct prime numbers

The prime factorization of 18012989 is 1999 × 9011. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 16, 23, 944, 271, 5914, 5323, 56454, 98955, 378880, 581227, 373426, 659802, 8331686, 62494354, 623226352, 796402925, 8142547053, 350466490

Basic calculations (n = 18012989)

Multiplication

n×y

n×2	36025978
n×3	54038967
n×4	72051956
n×5	90064945

Division

n÷y

n÷2	9006494.5
n÷3	6004329.6666667
n÷3	4503247.25
n÷5	3602597.8

Exponentiation

n^y

n²	324467772714121
n³	5.844634420754E+21
n⁴	1.0527933553006E+29
n⁵	1.8963955128303E+36

Nth Root

^y√n

²√n	4244.1711793942
³√n	262.13716280084
⁴√n	65.147303700108
⁵√n	28.25642126974

Divisors of 18012989

1, 1999, 9011, 18012989

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	-18012988	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 18012989 can be divided by 4 positive divisors. The sum of these divisors (counting 18012989) is 1, the average is 0.25.

Base conversion 18012989

Base	System	Value
2	Binary	1000100101101101100111101
3	Ternary	1020220011011202
4	Quaternary	1010231230331
5	Quinary	14102403424
6	Senary	1442025245
8	Octal	104555475
10	Decimal	18012989
12	Duodecimal	6048225
16	Hexadecimal	112db3d
20	Vigesimal	5cbc99
36	Base36	aq2wt

Cryptographic Hash Functions

md5	c3710aee4952b2ba1f37c97019071195
sha1	dc41c3b8e51d64470a5743469eddf3c34149a4dd
sha256	3780700ab59254362622bb628cec1341c0c83fd4efb1a4528fc3934e7da30a8b
sha512	22158f949700f2a32f3ba465f2cb9dc710dab119cab9d77eb72f8fcb4456515acf7c943719d1ef521c9a14e4001eb55abaad5f6571529bbda31cec647fa8d965
ripemd-160	c99cbd986b383142e5d3c2053ac7a15f283ceced

18012989 as geometric shapes

Circle

Radius = n

Diameter	36025978
Circumference	113178947.82319
Area	1.0193455710853E+15

Sphere

Radius = n

Volume	2.4481947412212E+22
Surface area	4.0773822843413E+15
Circumference	113178947.82319

Square

Length = n

Perimeter	72051956
Area	324467772714121
Diagonal	25474213.342677

Cube

Length = n

Surface area	1946806636284726
Volume	5.844634420754E+21
Space diagonal	31199412.144179

Equilateral Triangle

Length = n

Perimeter	54038967
Area	1.4049866693989E+14
Altitude	15599706.07209

Triangular Pyramid

Length = n

Surface area	1.4049866693989E+14
Volume	6.8879677207857E+20
Height	8491404.4475591