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

12728181 (number)

12728181 is an odd 8-digits composite number following 12728180 and preceding 12728182. In scientific notation, it is written as 1.2728181 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 8433072 positive integers (up to 12728181) that are relatively prime to 12728181.

Interesting facts

12728181 has 8 divisors, whose sum is 17075680
The reverse of 12728181 is 18182721
Previous prime number is 163

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	1.2728181 × 10^7
Engineering notation	1.2728181 × 10^6

Prime Factorization of 12728181

Prime Factorization 3 × 163 × 26029

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12728181	Product of the distinct prime numbers

The prime factorization of 12728181 is 3 × 163 × 26029. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 48, 5, 145, 846, 3944, 9948, 14476, 2785, 392603, 612232, 7255351, 6368823, 7781675, 95783902, 470388618, 858680356, 7343603172, 5464924452

Basic calculations (n = 12728181)

Multiplication

n×y

n×2	25456362
n×3	38184543
n×4	50912724
n×5	63640905

Division

n÷y

n÷2	6364090.5
n÷3	4242727
n÷3	3182045.25
n÷5	2545636.2

Exponentiation

n^y

n²	162006591568761
n³	2.0620492206803E+21
n⁴	2.6246135711727E+28
n⁵	3.3406556588943E+35

Nth Root

^y√n

²√n	3567.6576349196
³√n	233.48309818403
⁴√n	59.729872215832
⁵√n	26.360477232841

Divisors of 12728181

1, 3, 163, 489, 26029, 78087, 4242727, 12728181

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-12728180	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12728181 can be divided by 8 positive divisors. The sum of these divisors (counting 12728181) is 1, the average is 0.125.

Base conversion 12728181

Base	System	Value
2	Binary	110000100011011101110101
3	Ternary	212221122210010
4	Quaternary	300203131311
5	Quinary	11224300211
6	Senary	1132450433
8	Octal	60433565
10	Decimal	12728181
12	Duodecimal	4319a19
16	Hexadecimal	c23775
20	Vigesimal	3jb091
36	Base36	7kt4l

Cryptographic Hash Functions

md5	40312a62235d5ba433b0aa134f318fb9
sha1	7024a5b3b8fa56bf7fb4cfeb7b52e028690b2193
sha256	d1a5295375a36791e8214cfa85ffee7fa2a2ddeba76f35e620c554415f58b785
sha512	05668d823f744f4bac6473b637c1ac76192b0088fae6f462d31e5e38256b45c4b7c0caddd4cea070a3ef985ba1f30f2608fdb44358e31b401ef4831e9545b4f9
ripemd-160	d1b0e8ba7ce54bf1cf9420ef035099daca283610

12728181 as geometric shapes

Circle

Radius = n

Diameter	25456362
Circumference	79973519.846322
Area	5.0895871790554E+14

Sphere

Radius = n

Volume	8.6374915773729E+21
Surface area	2.0358348716222E+15
Circumference	79973519.846322

Square

Length = n

Perimeter	50912724
Area	162006591568761
Diagonal	18000366.19454

Cube

Length = n

Surface area	972039549412566
Volume	2.0620492206803E+21
Space diagonal	22045856.179933

Equilateral Triangle

Length = n

Perimeter	38184543
Area	70150911939538
Altitude	11022928.089966

Triangular Pyramid

Length = n

Surface area	70150911939538
Volume	2.4301483118058E+20
Height	6000122.0648465