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

12981909 (number)

12981909 is an odd 8-digits composite number following 12981908 and preceding 12981910. In scientific notation, it is written as 1.2981909 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 8639136 positive integers (up to 12981909) that are relatively prime to 12981909.

Interesting facts

12981909 has 8 divisors, whose sum is 17340160
The reverse of 12981909 is 90918921
Previous prime number is 607

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	1.2981909 × 10^7
Engineering notation	1.2981909 × 10^6

Prime Factorization of 12981909

Prime Factorization 3 × 607 × 7129

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12981909	Product of the distinct prime numbers

The prime factorization of 12981909 is 3 × 607 × 7129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 26, 36, 272, 275, 5609, 7797, 99943, 94705, 758686, 134307, 3902232, 1633397, 67254776, 94883041, 244027898, 542940133, 9552513813, 8595210326

Basic calculations (n = 12981909)

Multiplication

n×y

n×2	25963818
n×3	38945727
n×4	51927636
n×5	64909545

Division

n÷y

n÷2	6490954.5
n÷3	4327303
n÷3	3245477.25
n÷5	2596381.8

Exponentiation

n^y

n²	168529961284281
n³	2.1878406211661E+21
n⁴	2.8402347850481E+28
n⁵	3.6871669518129E+35

Nth Root

^y√n

²√n	3603.0416317328
³√n	235.02434635341
⁴√n	60.025341579477
⁵√n	26.464744901365

Divisors of 12981909

1, 3, 607, 1821, 7129, 21387, 4327303, 12981909

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	-12981908	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 12981909 can be divided by 8 positive divisors. The sum of these divisors (counting 12981909) is 1, the average is 0.125.

Base conversion 12981909

Base	System	Value
2	Binary	110001100001011010010101
3	Ternary	220102112211110
4	Quaternary	301201122111
5	Quinary	11310410114
6	Senary	1142125233
8	Octal	61413225
10	Decimal	12981909
12	Duodecimal	4420819
16	Hexadecimal	c61695
20	Vigesimal	412ef9
36	Base36	7q8wl

Cryptographic Hash Functions

md5	70dc4f02bc6e68b2bad0f66af3126ec7
sha1	d3c195bd0ea0ae52457c3ce27d082e9b826c2e89
sha256	a230276c3f058722364fbff7c98f15bf41165f37cef2a7e44fcfac73f79c2f83
sha512	f232c58fa9895b6b360877be82162c6130f906bc33e3a98f2eaa0960fbc1562ff5173b7f8446d3dbe67fc255a01442df80ee94ce8f5a233bc46eada3654b5465
ripemd-160	9ed5fcff10ec9e53ee9a72396bba12d7ac3dfbd5

12981909 as geometric shapes

Circle

Radius = n

Diameter	25963818
Circumference	81567739.887942
Area	5.2945248828047E+14

Sphere

Radius = n

Volume	9.1644053635742E+21
Surface area	2.1178099531219E+15
Circumference	81567739.887942

Square

Length = n

Perimeter	51927636
Area	168529961284281
Diagonal	18359191.773293

Cube

Length = n

Surface area	1011179767705686
Volume	2.1878406211661E+21
Space diagonal	22485325.967236

Equilateral Triangle

Length = n

Perimeter	38945727
Area	72975613885498
Altitude	11242662.983618

Triangular Pyramid

Length = n

Surface area	72975613885498
Volume	2.5783948989698E+20
Height	6119730.5910978