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

28390018 (number)

28390018 is an even 8-digits composite number following 28390017 and preceding 28390019. In scientific notation, it is written as 2.8390018 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 14195008 positive integers (up to 28390018) that are relatively prime to 28390018.

Interesting facts

28390018 has 4 divisors, whose sum is 42585030
The reverse of 28390018 is 81009382
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-eight million three hundred ninety thousand eighteen

Notation

Scientific notation	2.8390018 × 10^7
Engineering notation	2.8390018 × 10^6

Prime Factorization of 28390018

Prime Factorization 2 × 14195009

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28390018	Product of the distinct prime numbers

The prime factorization of 28390018 is 2 × 14195009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 48, 63, 198, 806, 4342, 9592, 12475, 84485, 475401, 439938, 8242348, 1819415, 13507404, 61989130, 43721309, 709656431, 4601200382, 6824838739

Basic calculations (n = 28390018)

Multiplication

n×y

n×2	56780036
n×3	85170054
n×4	113560072
n×5	141950090

Division

n÷y

n÷2	14195009
n÷3	9463339.3333333
n÷3	7097504.5
n÷5	5678003.6

Exponentiation

n^y

n²	805993122040324
n³	2.2882159242601E+22
n⁴	6.4962491277631E+29
n⁵	1.8442862966968E+37

Nth Root

^y√n

²√n	5328.2284110199
³√n	305.06231101719
⁴√n	72.994714952659
⁵√n	30.948038864764

Divisors of 28390018

1, 2, 14195009, 28390018

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	-28390017	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 28390018 can be divided by 4 positive divisors. The sum of these divisors (counting 28390018) is 1, the average is 0.25.

Base conversion 28390018

Base	System	Value
2	Binary	1101100010011001010000010
3	Ternary	1222102100210011
4	Quaternary	1230103022002
5	Quinary	24231440033
6	Senary	2452255134
8	Octal	154231202
10	Decimal	28390018
12	Duodecimal	96114aa
16	Hexadecimal	1b13282
20	Vigesimal	8h8f0i
36	Base36	gwhvm

Cryptographic Hash Functions

md5	06f39027581d97ac60a8cf95f63abe18
sha1	5e2be17c02ab233289ede134e81d4829b6d16d71
sha256	75feaec4e6d86fe46b1e68d658ca8b3cbf0c8e4ec003fecc03ee8e661ac1fb9a
sha512	6e1ab1d5f6a4f25665d80fe015cb4d8c1cb72a5d80859c669ba29a26469834b15488da330efcc32270eebdd000bd5f00dcdeaf2aaf00fe24f1bb726c14b98016
ripemd-160	2ac292ea4a6927b0cbdb94cd0fdf9b28cd68e027

28390018 as geometric shapes

Circle

Radius = n

Diameter	56780036
Circumference	178379743.96816
Area	2.5321020710458E+15

Sphere

Radius = n

Volume	9.5848564499769E+22
Surface area	1.0128408284183E+16
Circumference	178379743.96816

Square

Length = n

Perimeter	113560072
Area	805993122040324
Diagonal	40149548.491616

Cube

Length = n

Surface area	4835958732241944
Volume	2.2882159242601E+22
Space diagonal	49172953.603795

Equilateral Triangle

Length = n

Perimeter	85170054
Area	3.4900525948123E+14
Altitude	24586476.801897

Triangular Pyramid

Length = n

Surface area	3.4900525948123E+14
Volume	2.6966883281056E+21
Height	13383182.830539