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

12688021 (number)

12688021 is an odd 8-digits composite number following 12688020 and preceding 12688022. In scientific notation, it is written as 1.2688021 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 12278700 positive integers (up to 12688021) that are relatively prime to 12688021.

Interesting facts

12688021 has 4 divisors, whose sum is 13097344
The reverse of 12688021 is 12088621
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	1.2688021 × 10^7
Engineering notation	1.2688021 × 10^6

Prime Factorization of 12688021

Prime Factorization 31 × 409291

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12688021	Product of the distinct prime numbers

The prime factorization of 12688021 is 31 × 409291. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 12, 67, 57, 475, 2705, 4084, 38721, 94198, 38941, 305763, 1648533, 6281841, 56363121, 93272991, 209720204, 71215397, 8238622772, 7581315878

Basic calculations (n = 12688021)

Multiplication

n×y

n×2	25376042
n×3	38064063
n×4	50752084
n×5	63440105

Division

n÷y

n÷2	6344010.5
n÷3	4229340.3333333
n÷3	3172005.25
n÷5	2537604.2

Exponentiation

n^y

n²	160985876896441
n³	2.0425921867655E+21
n⁴	2.5916452560116E+28
n⁵	3.2882849432826E+35

Nth Root

^y√n

²√n	3562.0248455057
³√n	233.23727724216
⁴√n	59.682701392495
⁵√n	26.343821665382

Divisors of 12688021

1, 31, 409291, 12688021

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	-12688020	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 12688021 can be divided by 4 positive divisors. The sum of these divisors (counting 12688021) is 1, the average is 0.25.

Base conversion 12688021

Base	System	Value
2	Binary	110000011001101010010101
3	Ternary	212212121200201
4	Quaternary	300121222111
5	Quinary	11222004041
6	Senary	1131540501
8	Octal	60315225
10	Decimal	12688021
12	Duodecimal	42ba731
16	Hexadecimal	c19a95
20	Vigesimal	3j6011
36	Base36	7jy51

Cryptographic Hash Functions

md5	098b023b63dd651fbaf542675859a193
sha1	a8a57c7ebce610f126da787dffc83c78886919eb
sha256	00ff8b44e93deeda7c8458ff6a10e3223d522ae89f967f5ae5f9a0f4743832e8
sha512	ab5ba04e9e240351cc4411c38802fb80fd9eaed93a9e7ec3f895448a6c9be80bb2e94c6ca48b2d23de9f392189da859347b13cfc567fbc9280d7ed9b297e998d
ripemd-160	2031d7839505fca613bbe6e87d8951cdd31660e6

12688021 as geometric shapes

Circle

Radius = n

Diameter	25376042
Circumference	79721187.124386
Area	5.0575204818957E+14

Sphere

Radius = n

Volume	8.5559901442964E+21
Surface area	2.0230081927583E+15
Circumference	79721187.124386

Square

Length = n

Perimeter	50752084
Area	160985876896441
Diagonal	17943571.377875

Cube

Length = n

Surface area	965915261378646
Volume	2.0425921867655E+21
Space diagonal	21976297.019501

Equilateral Triangle

Length = n

Perimeter	38064063
Area	69708929521416
Altitude	10988148.50975

Triangular Pyramid

Length = n

Surface area	69708929521416
Volume	2.4072179774342E+20
Height	5981190.4592915