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

12981305 (number)

12981305 is an odd 8-digits composite number following 12981304 and preceding 12981306. In scientific notation, it is written as 1.2981305 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 10302768 positive integers (up to 12981305) that are relatively prime to 12981305.

Interesting facts

12981305 has 8 divisors, whose sum is 15700992
The reverse of 12981305 is 50318921
Previous prime number is 127

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twelve million nine hundred eighty-one thousand three hundred five

Notation

Scientific notation	1.2981305 × 10^7
Engineering notation	1.2981305 × 10^6

Prime Factorization of 12981305

Prime Factorization 5 × 127 × 20443

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12981305	Product of the distinct prime numbers

The prime factorization of 12981305 is 5 × 127 × 20443. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 4, 85, 84, 709, 7323, 5260, 45135, 9324, 918242, 526159, 1794908, 9119891, 85004755, 86958433, 956307862, 717208021, 4180088733, 8312122076

Basic calculations (n = 12981305)

Multiplication

n×y

n×2	25962610
n×3	38943915
n×4	51925220
n×5	64906525

Division

n÷y

n÷2	6490652.5
n÷3	4327101.6666667
n÷3	3245326.25
n÷5	2596261

Exponentiation

n^y

n²	168514279503025
n³	2.187535259084E+21
n⁴	2.8397062396424E+28
n⁵	3.6863092807201E+35

Nth Root

^y√n

²√n	3602.9578126867
³√n	235.02070136029
⁴√n	60.024643378255
⁵√n	26.464498635529

Divisors of 12981305

1, 5, 127, 635, 20443, 102215, 2596261, 12981305

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	-12981304	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 12981305 can be divided by 8 positive divisors. The sum of these divisors (counting 12981305) is 1, the average is 0.125.

Base conversion 12981305

Base	System	Value
2	Binary	110001100001010000111001
3	Ternary	220102112000002
4	Quaternary	301201100321
5	Quinary	11310400210
6	Senary	1142122345
8	Octal	61412071
10	Decimal	12981305
12	Duodecimal	44203b5
16	Hexadecimal	c61439
20	Vigesimal	412d55
36	Base36	7q8ft

Cryptographic Hash Functions

md5	45f08c26a9263646f260caf459b300e6
sha1	dac318391cbb2f3b8090c3473db40c5e549c0487
sha256	9db5da56475003cc1b82a9c8d2d39b81adf77ec2d45b88da4feb494b697420af
sha512	9c37db6491447c2be4244c6221552f98d91ec1e1bee3f3e45b9afad7e61ecd477201fcf8c383b9f579bdc4620e6e20407d77a8b7d98b75f0cf8bea33df16befa
ripemd-160	4d6ae1c3c5f7d2a6a6ef3dbd94359bb07e16ca04

12981305 as geometric shapes

Circle

Radius = n

Diameter	25962610
Circumference	81563944.844017
Area	5.2940322251168E+14

Sphere

Radius = n

Volume	9.163126265876E+21
Surface area	2.1176128900467E+15
Circumference	81563944.844017

Square

Length = n

Perimeter	51925220
Area	168514279503025
Diagonal	18358337.588302

Cube

Length = n

Surface area	1011085677018150
Volume	2.187535259084E+21
Space diagonal	22484279.808548

Equilateral Triangle

Length = n

Perimeter	38943915
Area	72968823475025
Altitude	11242139.904274

Triangular Pyramid

Length = n

Surface area	72968823475025
Volume	2.578035026305E+20
Height	6119445.8627672