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

12961281 (number)

12961281 is an odd 8-digits composite number following 12961280 and preceding 12961282. In scientific notation, it is written as 1.2961281 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 8606720 positive integers (up to 12961281) that are relatively prime to 12961281.

Interesting facts

12961281 has 8 divisors, whose sum is 17349984
The reverse of 12961281 is 18216921
Previous prime number is 257

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twelve million nine hundred sixty-one thousand two hundred eighty-one

Notation

Scientific notation	1.2961281 × 10^7
Engineering notation	1.2961281 × 10^6

Prime Factorization of 12961281

Prime Factorization 3 × 257 × 16811

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12961281	Product of the distinct prime numbers

The prime factorization of 12961281 is 3 × 257 × 16811. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 69, 68, 23, 799, 756, 5126, 75620, 3077, 913416, 721111, 2611879, 334478, 98782898, 68726410, 6851547, 275356413, 8859490570, 9556088695

Basic calculations (n = 12961281)

Multiplication

n×y

n×2	25922562
n×3	38883843
n×4	51845124
n×5	64806405

Division

n÷y

n÷2	6480640.5
n÷3	4320427
n÷3	3240320.25
n÷5	2592256.2

Exponentiation

n^y

n²	167994805160961
n³	2.1774278762315E+21
n⁴	2.8222254561069E+28
n⁵	3.6579657181955E+35

Nth Root

^y√n

²√n	3600.1779122704
³√n	234.89979732851
⁴√n	60.001482583937
⁵√n	26.45632915807

Divisors of 12961281

1, 3, 257, 771, 16811, 50433, 4320427, 12961281

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	-12961280	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 12961281 can be divided by 8 positive divisors. The sum of these divisors (counting 12961281) is 1, the average is 0.125.

Base conversion 12961281

Base	System	Value
2	Binary	110001011100011000000001
3	Ternary	220101111112110
4	Quaternary	301130120001
5	Quinary	11304230111
6	Senary	1141445533
8	Octal	61343001
10	Decimal	12961281
12	Duodecimal	44108a9
16	Hexadecimal	c5c601
20	Vigesimal	410341
36	Base36	7pszl

Cryptographic Hash Functions

md5	faba3525886dbb0390bea530a39b59a0
sha1	0b53f73a481f4ae97da4a578cf363aebf4938334
sha256	f4ed79877cabe7e09e01b1b40834ea956fa76ad0df4917d6c14cefe885aa1512
sha512	363576ed0600298241994a83644439a80842f783dbc2b20624e28671a2463136f6353e98c2eece891825270294af8839dd5fb1c0c2fc3e3b3cfe5619777c65f3
ripemd-160	86d470297482abad3fb729a65c85320d7d3e5658

12961281 as geometric shapes

Circle

Radius = n

Diameter	25922562
Circumference	81438130.341426
Area	5.2777124573492E+14

Sphere

Radius = n

Volume	9.1207885595872E+21
Surface area	2.1110849829397E+15
Circumference	81438130.341426

Square

Length = n

Perimeter	51845124
Area	167994805160961
Diagonal	18330019.375929

Cube

Length = n

Surface area	1007968830965766
Volume	2.1774278762315E+21
Space diagonal	22449597.223177

Equilateral Triangle

Length = n

Perimeter	38883843
Area	72743884486605
Altitude	11224798.611589

Triangular Pyramid

Length = n

Surface area	72743884486605
Volume	2.5661233613798E+20
Height	6110006.4586429