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

12887681 (number)

12887681 is an odd 8-digits composite number following 12887680 and preceding 12887682. In scientific notation, it is written as 1.2887681 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 12209364 positive integers (up to 12887681) that are relatively prime to 12887681.

Interesting facts

12887681 has 4 divisors, whose sum is 13566000
The reverse of 12887681 is 18678821
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	1.2887681 × 10^7
Engineering notation	1.2887681 × 10^6

Prime Factorization of 12887681

Prime Factorization 19 × 678299

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12887681	Product of the distinct prime numbers

The prime factorization of 12887681 is 19 × 678299. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 74, 30, 569, 363, 5854, 9745, 2657, 94915, 466855, 421594, 4566599, 1901019, 84358954, 19342024, 414970888, 336651108, 2064688879, 986049931

Basic calculations (n = 12887681)

Multiplication

n×y

n×2	25775362
n×3	38663043
n×4	51550724
n×5	64438405

Division

n÷y

n÷2	6443840.5
n÷3	4295893.6666667
n÷3	3221920.25
n÷5	2577536.2

Exponentiation

n^y

n²	166092321557761
n³	2.1405448567858E+21
n⁴	2.7586659280447E+28
n⁵	3.5552806466209E+35

Nth Root

^y√n

²√n	3589.9416429797
³√n	234.45433073935
⁴√n	59.916121728461
⁵√n	26.426214484146

Divisors of 12887681

1, 19, 678299, 12887681

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	-12887680	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 12887681 can be divided by 4 positive divisors. The sum of these divisors (counting 12887681) is 1, the average is 0.25.

Base conversion 12887681

Base	System	Value
2	Binary	110001001010011010000001
3	Ternary	220020202120112
4	Quaternary	301022122001
5	Quinary	11244401211
6	Senary	1140121105
8	Octal	61123201
10	Decimal	12887681
12	Duodecimal	4396195
16	Hexadecimal	c4a681
20	Vigesimal	40aj41
36	Base36	7o875

Cryptographic Hash Functions

md5	e56f7428116e95a5274913f075b00409
sha1	89a274d4bd2e9ef423d5b52233cb6ad706e86de8
sha256	bc548a9cf6953f807dbfe74f358ac6de2564caf6aa0fcef6d1948861f755bb56
sha512	c97db1f663760f6cbd56a678913ae95c67c072a897506eb0060914a4ce84b38260f0fda9a276f118b05a92cb8a5a9f6bf62d165d78f0f612ff330a9074d43519
ripemd-160	c7e94308b6f71aac98843668958a6ba58b986924

12887681 as geometric shapes

Circle

Radius = n

Diameter	25775362
Circumference	80975687.902818
Area	5.2179441722354E+14

Sphere

Radius = n

Volume	8.9662933290104E+21
Surface area	2.0871776688941E+15
Circumference	80975687.902818

Square

Length = n

Perimeter	51550724
Area	166092321557761
Diagonal	18225933.257738

Cube

Length = n

Surface area	996553929346566
Volume	2.1405448567858E+21
Space diagonal	22322118.28374

Equilateral Triangle

Length = n

Perimeter	38663043
Area	71920084921277
Altitude	11161059.14187

Triangular Pyramid

Length = n

Surface area	71920084921277
Volume	2.5226563061121E+20
Height	6075311.0859127