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

28188081 (number)

28188081 is an odd 8-digits composite number following 28188080 and preceding 28188082. In scientific notation, it is written as 2.8188081 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 10 positive divisors. There are 18792000 positive integers (up to 28188081) that are relatively prime to 28188081.

Interesting facts

28188081 has 10 divisors, whose sum is 42108242
The reverse of 28188081 is 18088182
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	2.8188081 × 10^7
Engineering notation	2.8188081 × 10^6

Prime Factorization of 28188081

Prime Factorization 9 × 3 × 3 × 348001

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	9396027	Product of the distinct prime numbers

The prime factorization of 28188081 is 9 × 3 × 3 × 348001. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 38, 37, 60, 813, 7515, 9714, 41348, 48350, 615492, 330872, 7106551, 2540396, 25918737, 39380038, 964688358, 515727091, 4317803082, 9530797085

Basic calculations (n = 28188081)

Multiplication

n×y

n×2	56376162
n×3	84564243
n×4	112752324
n×5	140940405

Division

n÷y

n÷2	14094040.5
n÷3	9396027
n÷3	7047020.25
n÷5	5637616.2

Exponentiation

n^y

n²	794567910462561
n³	2.2397344620119E+22
n⁴	6.3133816433684E+29
n⁵	1.7796211314718E+37

Nth Root

^y√n

²√n	5309.2448615599
³√n	304.33729082934
⁴√n	72.864565198455
⁵√n	30.903886645376

Divisors of 28188081

1, 3, 9, 27, 81, 348001, 1044003, 3132009, 9396027, 28188081

10 divisors

τ	Total Divisors	10	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28188080	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.1	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	10	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28188081 can be divided by 10 positive divisors. The sum of these divisors (counting 28188081) is 1, the average is 0.1.

Base conversion 28188081

Base	System	Value
2	Binary	1101011100001110110110001
3	Ternary	1222001002210000
4	Quaternary	1223201312301
5	Quinary	24204004311
6	Senary	2444100213
8	Octal	153416661
10	Decimal	28188081
12	Duodecimal	9534669
16	Hexadecimal	1ae1db1
20	Vigesimal	8g3a41
36	Base36	gs629

Cryptographic Hash Functions

md5	d0e1c819ddb08607b57d5e0bb5ede58f
sha1	86ce1e308e01340b9b85488852e7641f397c522e
sha256	6936205584a79669e04d4c13e185961c00abab72ce3d3d1f35ef46e1aac4fbb0
sha512	3af33a1dc8f56f4f3d0147f0fe7e12be2959c491c6c6dc93080159cf8ac91dbca2de18d803f5ca45db23c7935675d676d81aae322c777dc5766166afb027a95d
ripemd-160	9c9e811c437fece758767145252ed9e2637fedc1

28188081 as geometric shapes

Circle

Radius = n

Diameter	56376162
Circumference	177110936.37679
Area	2.4962087102874E+15

Sphere

Radius = n

Volume	9.3817777757981E+22
Surface area	9.9848348411495E+15
Circumference	177110936.37679

Square

Length = n

Perimeter	112752324
Area	794567910462561
Diagonal	39863966.447471

Cube

Length = n

Surface area	4767407462775366
Volume	2.2397344620119E+22
Space diagonal	48823188.459867

Equilateral Triangle

Length = n

Perimeter	84564243
Area	3.4405799774625E+14
Altitude	24411594.229933

Triangular Pyramid

Length = n

Surface area	3.4405799774625E+14
Volume	2.6395523769097E+21
Height	13287988.815824