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

12781681 (number)

12781681 is an odd 8-digits composite number following 12781680 and preceding 12781682. In scientific notation, it is written as 1.2781681 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 11567520 positive integers (up to 12781681) that are relatively prime to 12781681.

Interesting facts

12781681 has 8 divisors, whose sum is 14006304
The reverse of 12781681 is 18618721
Previous prime number is 233

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twelve million seven hundred eighty-one thousand six hundred eighty-one

Notation

Scientific notation	1.2781681 × 10^7
Engineering notation	1.2781681 × 10^6

Prime Factorization of 12781681

Prime Factorization 11 × 233 × 4987

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12781681	Product of the distinct prime numbers

The prime factorization of 12781681 is 11 × 233 × 4987. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 7, 13, 41, 49, 76, 2271, 4834, 12226, 32366, 996705, 84978, 1865462, 6928410, 18662815, 1330613, 666274163, 151768920, 2715419184, 4687254210

Basic calculations (n = 12781681)

Multiplication

n×y

n×2	25563362
n×3	38345043
n×4	51126724
n×5	63908405

Division

n÷y

n÷2	6390840.5
n÷3	4260560.3333333
n÷3	3195420.25
n÷5	2556336.2

Exponentiation

n^y

n²	163371369185761
n³	2.0881607254656E+21
n⁴	2.669020426963E+28
n⁵	3.4114567679925E+35

Nth Root

^y√n

²√n	3575.147689257
³√n	233.80977185933
⁴√n	59.792538742364
⁵√n	26.382600117

Divisors of 12781681

1, 11, 233, 2563, 4987, 54857, 1161971, 12781681

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	-12781680	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 12781681 can be divided by 8 positive divisors. The sum of these divisors (counting 12781681) is 1, the average is 0.125.

Base conversion 12781681

Base	System	Value
2	Binary	110000110000100001110001
3	Ternary	220001101011121
4	Quaternary	300300201301
5	Quinary	11233003211
6	Senary	1133542241
8	Octal	60604161
10	Decimal	12781681
12	Duodecimal	4344981
16	Hexadecimal	c30871
20	Vigesimal	3jhe41
36	Base36	7lyep

Cryptographic Hash Functions

md5	55ca5783a47119e3ca10507d63daea58
sha1	93eefe7480cc5ec37cf76896747e35055883fb87
sha256	7622ef3b974f9fee6363311b5f2d246f11d2a9cb884125abeb76c84fd359471e
sha512	4ea2a9cb3e68a6cf1b258d28ea9a49d899194c888eb72d1c48db636011801344d6c1fdc298d02076c93b05714959f5303444e1784c5a99e681d6c22e9d980ab7
ripemd-160	6acf43973dd3c6c883564d0387289a9c54c9bd85

12781681 as geometric shapes

Circle

Radius = n

Diameter	25563362
Circumference	80309670.260256
Area	5.1324629324089E+14

Sphere

Radius = n

Volume	8.7468671928501E+21
Surface area	2.0529851729636E+15
Circumference	80309670.260256

Square

Length = n

Perimeter	51126724
Area	163371369185761
Diagonal	18076026.620127

Cube

Length = n

Surface area	980228215114566
Volume	2.0881607254656E+21
Space diagonal	22138520.898138

Equilateral Triangle

Length = n

Perimeter	38345043
Area	70741877982958
Altitude	11069260.449069

Triangular Pyramid

Length = n

Surface area	70741877982958
Volume	2.4609210153069E+20
Height	6025342.2067088