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

12987866 (number)

12987866 is an even 8-digits composite number following 12987865 and preceding 12987867. In scientific notation, it is written as 1.2987866 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 6493932 positive integers (up to 12987866) that are relatively prime to 12987866.

Interesting facts

12987866 has 4 divisors, whose sum is 19481802
The reverse of 12987866 is 66878921
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2

Name

Name	twelve million nine hundred eighty-seven thousand eight hundred sixty-six

Notation

Scientific notation	1.2987866 × 10^7
Engineering notation	1.2987866 × 10^6

Prime Factorization of 12987866

Prime Factorization 2 × 6493933

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12987866	Product of the distinct prime numbers

The prime factorization of 12987866 is 2 × 6493933. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 52, 76, 662, 801, 4001, 1696, 50616, 32225, 799882, 13766, 824460, 3800030, 23290945, 45005852, 371885502, 265665649, 4289951300, 7187486611

Basic calculations (n = 12987866)

Multiplication

n×y

n×2	25975732
n×3	38963598
n×4	51951464
n×5	64939330

Division

n÷y

n÷2	6493933
n÷3	4329288.6666667
n÷3	3246966.5
n÷5	2597573.2

Exponentiation

n^y

n²	168684663233956
n³	2.1908538023377E+21
n⁴	2.8454515610353E+28
n⁵	3.6956343584217E+35

Nth Root

^y√n

²√n	3603.8681995878
³√n	235.06028934506
⁴√n	60.032226342089
⁵√n	26.467173227692

Divisors of 12987866

1, 2, 6493933, 12987866

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	-12987865	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 12987866 can be divided by 4 positive divisors. The sum of these divisors (counting 12987866) is 1, the average is 0.25.

Base conversion 12987866

Base	System	Value
2	Binary	110001100010110111011010
3	Ternary	220102212000002
4	Quaternary	301202313122
5	Quinary	11311102431
6	Senary	1142213002
8	Octal	61426732
10	Decimal	12987866
12	Duodecimal	4424162
16	Hexadecimal	c62dda
20	Vigesimal	4139d6
36	Base36	7qdi2

Cryptographic Hash Functions

md5	6781698448a511db7abf657c25740cb4
sha1	87b30f43369f0a3aebd6c42c021c139fa8b54ee6
sha256	ae29f927fc1bd78489f7a38e8df420a6fb6496261e72904a2676a1f7fabc0829
sha512	f6263edab6757229fd9c7c674bd15eb3ac1f8ee5a63ae7bab04a422da48a2b22ba2a98070941f3038cafc96a57829d5b83f334948ca3b77435cab4aaa62a31c0
ripemd-160	d312b3ba19583d18c06ad0d3179a503de07da611

12987866 as geometric shapes

Circle

Radius = n

Diameter	25975732
Circumference	81605168.822817
Area	5.2993849878906E+14

Sphere

Radius = n

Volume	9.1770269473514E+21
Surface area	2.1197539951563E+15
Circumference	81605168.822817

Square

Length = n

Perimeter	51951464
Area	168684663233956
Diagonal	18367616.243484

Cube

Length = n

Surface area	1012107979403736
Volume	2.1908538023377E+21
Space diagonal	22495643.793896

Equilateral Triangle

Length = n

Perimeter	38963598
Area	73042601794714
Altitude	11247821.896948

Triangular Pyramid

Length = n

Surface area	73042601794714
Volume	2.5819459670356E+20
Height	6122538.7478281