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

12690781 (number)

12690781 is an odd 8-digits composite number following 12690780 and preceding 12690782. In scientific notation, it is written as 1.2690781 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 12609792 positive integers (up to 12690781) that are relatively prime to 12690781.

Interesting facts

12690781 has 4 divisors, whose sum is 12771772
The reverse of 12690781 is 18709621
Previous prime number is 157

Basic properties

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

Name

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

Notation

Scientific notation	1.2690781 × 10^7
Engineering notation	1.2690781 × 10^6

Prime Factorization of 12690781

Prime Factorization 157 × 80833

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12690781	Product of the distinct prime numbers

The prime factorization of 12690781 is 157 × 80833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 28, 58, 183, 24, 8271, 4993, 68041, 14828, 747632, 791585, 1717426, 4957530, 19540741, 10482258, 592786164, 377898422, 5688126232, 9493505430

Basic calculations (n = 12690781)

Multiplication

n×y

n×2	25381562
n×3	38072343
n×4	50763124
n×5	63453905

Division

n÷y

n÷2	6345390.5
n÷3	4230260.3333333
n÷3	3172695.25
n÷5	2538156.2

Exponentiation

n^y

n²	161055922389961
n³	2.043925439804E+21
n⁴	2.5939010136881E+28
n⁵	3.2918629700394E+35

Nth Root

^y√n

²√n	3562.4122445332
³√n	233.25418789655
⁴√n	59.685946792634
⁵√n	26.344967669508

Divisors of 12690781

1, 157, 80833, 12690781

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	-12690780	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 12690781 can be divided by 4 positive divisors. The sum of these divisors (counting 12690781) is 1, the average is 0.25.

Base conversion 12690781

Base	System	Value
2	Binary	110000011010010101011101
3	Ternary	212212202110221
4	Quaternary	300122111131
5	Quinary	11222101111
6	Senary	1132001341
8	Octal	60322535
10	Decimal	12690781
12	Duodecimal	4300251
16	Hexadecimal	c1a55d
20	Vigesimal	3j66j1
36	Base36	7k09p

Cryptographic Hash Functions

md5	6fcb5006ed9218fb970053ab1b8b61ab
sha1	33aa59464f92c7551a383927501bb15e98301d6e
sha256	bd01f4d858fcbee5d5c791fa3b2f6327e2db8ff8c12cdbddbe5f7d1e9913d082
sha512	29984ae9b7b5ffb572bfb8a68f7dd80985026a5619086112af438655494f9b9d4ff6cf9e8dab7bedaeeec51e00a0f97d86cde20b8e4a3832be835ffaa2212a23
ripemd-160	c997a2ceb99e8342530e07034e34b72a87c8d34b

12690781 as geometric shapes

Circle

Radius = n

Diameter	25381562
Circumference	79738528.715834
Area	5.0597210259743E+14

Sphere

Radius = n

Volume	8.5615748615647E+21
Surface area	2.0238884103897E+15
Circumference	79738528.715834

Square

Length = n

Perimeter	50763124
Area	161055922389961
Diagonal	17947474.607307

Cube

Length = n

Surface area	966335534339766
Volume	2.043925439804E+21
Space diagonal	21981077.47973

Equilateral Triangle

Length = n

Perimeter	38072343
Area	69739260109821
Altitude	10990538.739865

Triangular Pyramid

Length = n

Surface area	69739260109821
Volume	2.4087892312085E+20
Height	5982491.5357689