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

18028181 (number)

18028181 is an odd 8-digits composite number following 18028180 and preceding 18028182. In scientific notation, it is written as 1.8028181 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 17810892 positive integers (up to 18028181) that are relatively prime to 18028181.

Interesting facts

18028181 has 4 divisors, whose sum is 18245472
The reverse of 18028181 is 18182081
Previous prime number is 83

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	1.8028181 × 10^7
Engineering notation	1.8028181 × 10^6

Prime Factorization of 18028181

Prime Factorization 83 × 217207

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18028181	Product of the distinct prime numbers

The prime factorization of 18028181 is 83 × 217207. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 2, 25, 72, 386, 383, 6110, 5842, 32976, 5053, 349842, 557876, 3943567, 763789, 21151112, 84264169, 982922134, 924988466, 8431485382, 6180568294

Basic calculations (n = 18028181)

Multiplication

n×y

n×2	36056362
n×3	54084543
n×4	72112724
n×5	90140905

Division

n÷y

n÷2	9014090.5
n÷3	6009393.6666667
n÷3	4507045.25
n÷5	3605636.2

Exponentiation

n^y

n²	325015310168761
n³	5.8594348394936E+21
n⁴	1.056349518441E+29
n⁵	1.9044060317716E+36

Nth Root

^y√n

²√n	4245.9605509237
³√n	262.21083683556
⁴√n	65.161035526791
⁵√n	28.261185907165

Divisors of 18028181

1, 83, 217207, 18028181

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	-18028180	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 18028181 can be divided by 4 positive divisors. The sum of these divisors (counting 18028181) is 1, the average is 0.25.

Base conversion 18028181

Base	System	Value
2	Binary	1000100110001011010010101
3	Ternary	1020220221000102
4	Quaternary	1010301122111
5	Quinary	14103400211
6	Senary	1442223445
8	Octal	104613225
10	Decimal	18028181
12	Duodecimal	6054b85
16	Hexadecimal	1131695
20	Vigesimal	5cda91
36	Base36	aqemt

Cryptographic Hash Functions

md5	034a848504743b56dbead77ab42a3985
sha1	62c8209faa9b8d942b40ea975f3889cd596e84e3
sha256	44312c8c5e795b6fbf740046b9f3c0c1e632858a5a421d39cb19041ec4783850
sha512	0b834c235632182419f9275b7fc00dd4bca2392046b92bf6cb2e524517bc95e5369341a30e524e12582de949b8dabdc695065c47f68836285d4ec7e3d4b64213
ripemd-160	72a5c51bda1a0b074907df2c4c0e510dd7896c34

18028181 as geometric shapes

Circle

Radius = n

Diameter	36056362
Circumference	113274401.97437
Area	1.0210657107304E+15

Sphere

Radius = n

Volume	2.4543943261255E+22
Surface area	4.0842628429216E+15
Circumference	113274401.97437

Square

Length = n

Perimeter	72112724
Area	325015310168761
Diagonal	25495698.075117

Cube

Length = n

Surface area	1950091861012566
Volume	5.8594348394936E+21
Space diagonal	31225725.460048

Equilateral Triangle

Length = n

Perimeter	54084543
Area	1.4073575761251E+14
Altitude	15612862.730024

Triangular Pyramid

Length = n

Surface area	1.4073575761251E+14
Volume	6.9054101815443E+20
Height	8498566.025039