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

12909145 (number)

12909145 is an odd 8-digits composite number following 12909144 and preceding 12909146. In scientific notation, it is written as 1.2909145 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10327312 positive integers (up to 12909145) that are relatively prime to 12909145.

Interesting facts

12909145 has 4 divisors, whose sum is 15490980
The reverse of 12909145 is 54190921
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twelve million nine hundred nine thousand one hundred forty-five

Notation

Scientific notation	1.2909145 × 10^7
Engineering notation	1.2909145 × 10^6

Prime Factorization of 12909145

Prime Factorization 5 × 2581829

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12909145	Product of the distinct prime numbers

The prime factorization of 12909145 is 5 × 2581829. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 32, 73, 36, 497, 2396, 8598, 59184, 98322, 757035, 263643, 627620, 7008960, 24613671, 49765354, 93565995, 120912873, 489829167, 3264667851

Basic calculations (n = 12909145)

Multiplication

n×y

n×2	25818290
n×3	38727435
n×4	51636580
n×5	64545725

Division

n÷y

n÷2	6454572.5
n÷3	4303048.3333333
n÷3	3227286.25
n÷5	2581829

Exponentiation

n^y

n²	166646024631025
n³	2.1512576956355E+21
n⁴	2.7770897525324E+28
n⁵	3.5849854293455E+35

Nth Root

^y√n

²√n	3592.9298629392
³√n	234.58441715321
⁴√n	59.941053235151
⁵√n	26.435011020554

Divisors of 12909145

1, 5, 2581829, 12909145

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	-12909144	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 12909145 can be divided by 4 positive divisors. The sum of these divisors (counting 12909145) is 1, the average is 0.25.

Base conversion 12909145

Base	System	Value
2	Binary	110001001111101001011001
3	Ternary	220021212000111
4	Quaternary	301033221121
5	Quinary	11301043040
6	Senary	1140404321
8	Octal	61175131
10	Decimal	12909145
12	Duodecimal	43a66a1
16	Hexadecimal	c4fa59
20	Vigesimal	40dch5
36	Base36	7oord

Cryptographic Hash Functions

md5	df079283a4488feeac76ccc1209193f6
sha1	0905d89d7816da25fb990cf967a530f0b43d6e37
sha256	f2714dfe1d2f456fe5960cd49b5290e21d8383026cff3add3b5422b48134d1cd
sha512	5b637e68f4e1bfcfdd8066c6724f95436c5d2d1dbecfca6f78b5939a5d1d560c66908c94ca47be807e5899d35a9ea45317093c2d4f3564e7d2eb97e340e7c68a
ripemd-160	e1c5b1132f7e3b98020f42c3f254a62a6a51c6e7

12909145 as geometric shapes

Circle

Radius = n

Diameter	25818290
Circumference	81110550.192251
Area	5.2353392673077E+14

Sphere

Radius = n

Volume	9.0111671634492E+21
Surface area	2.0941357069231E+15
Circumference	81110550.192251

Square

Length = n

Perimeter	51636580
Area	166646024631025
Diagonal	18256287.937641

Cube

Length = n

Surface area	999876147786150
Volume	2.1512576956355E+21
Space diagonal	22359295.022274

Equilateral Triangle

Length = n

Perimeter	38727435
Area	72159845385077
Altitude	11179647.511137

Triangular Pyramid

Length = n

Surface area	72159845385077
Volume	2.5352815077726E+20
Height	6085429.3125469