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

12981805 (number)

12981805 is an odd 8-digits composite number following 12981804 and preceding 12981806. In scientific notation, it is written as 1.2981805 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 10385440 positive integers (up to 12981805) that are relatively prime to 12981805.

Interesting facts

12981805 has 4 divisors, whose sum is 15578172
The reverse of 12981805 is 50818921
Previous prime number is 5

Basic properties

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

Name

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

Notation

Scientific notation	1.2981805 × 10^7
Engineering notation	1.2981805 × 10^6

Prime Factorization of 12981805

Prime Factorization 5 × 2596361

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12981805	Product of the distinct prime numbers

The prime factorization of 12981805 is 5 × 2596361. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 8, 35, 3, 170, 930, 806, 427, 78288, 67483, 454095, 550381, 4738435, 512935, 39259886, 15975605, 503518607, 19746460, 6847080628, 2970316865

Basic calculations (n = 12981805)

Multiplication

n×y

n×2	25963610
n×3	38945415
n×4	51927220
n×5	64909025

Division

n÷y

n÷2	6490902.5
n÷3	4327268.3333333
n÷3	3245451.25
n÷5	2596361

Exponentiation

n^y

n²	168527261058025
n³	2.1877880402394E+21
n⁴	2.840143771972E+28
n⁵	3.6870192619705E+35

Nth Root

^y√n

²√n	3603.0271994533
³√n	235.02371874675
⁴√n	60.025221361135
⁵√n	26.46470249863

Divisors of 12981805

1, 5, 2596361, 12981805

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	-12981804	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 12981805 can be divided by 4 positive divisors. The sum of these divisors (counting 12981805) is 1, the average is 0.25.

Base conversion 12981805

Base	System	Value
2	Binary	110001100001011000101101
3	Ternary	220102112200121
4	Quaternary	301201120231
5	Quinary	11310404210
6	Senary	1142124541
8	Octal	61413055
10	Decimal	12981805
12	Duodecimal	4420751
16	Hexadecimal	c6162d
20	Vigesimal	412ea5
36	Base36	7q8tp

Cryptographic Hash Functions

md5	ff1462d78b865a2ba70605288634f5f5
sha1	a6e4bcf9ec6710753a3b58db3778542856d2fce9
sha256	61483ae9150d4549a1585d2aac0d98b76978ceefc413168b52635f441adc5cc5
sha512	1e2e53e825bf3405c61a0b5436fc8f782a3e9c464bebc11906f8c3dfb5b9a02d5957171296e305d549f8e597a98dfd49b7fc0d3e3d7672f3f4c1e0f8bb88cba0
ripemd-160	2c87e77ad1d8eae92dc9668a2fdae3a8c7b0355b

12981805 as geometric shapes

Circle

Radius = n

Diameter	25963610
Circumference	81567086.43667
Area	5.294440052695E+14

Sphere

Radius = n

Volume	9.1641851131035E+21
Surface area	2.117776021078E+15
Circumference	81567086.43667

Square

Length = n

Perimeter	51927220
Area	168527261058025
Diagonal	18359044.695083

Cube

Length = n

Surface area	1011163566348150
Volume	2.1877880402394E+21
Space diagonal	22485145.833952

Equilateral Triangle

Length = n

Perimeter	38945415
Area	72974444653231
Altitude	11242572.916976

Triangular Pyramid

Length = n

Surface area	72974444653231
Volume	2.5783329317535E+20
Height	6119681.5650276