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

12987445 (number)

12987445 is an odd 8-digits composite number following 12987444 and preceding 12987446. In scientific notation, it is written as 1.2987445 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 10389952 positive integers (up to 12987445) that are relatively prime to 12987445.

Interesting facts

12987445 has 4 divisors, whose sum is 15584940
The reverse of 12987445 is 54478921
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twelve million nine hundred eighty-seven thousand four hundred forty-five

Notation

Scientific notation	1.2987445 × 10^7
Engineering notation	1.2987445 × 10^6

Prime Factorization of 12987445

Prime Factorization 5 × 2597489

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12987445	Product of the distinct prime numbers

The prime factorization of 12987445 is 5 × 2597489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 24, 99, 987, 1, 9946, 1517, 61439, 49966, 821481, 419317, 8907125, 5374168, 8666405, 52222455, 394346883, 68657197, 6534421178, 5614531659

Basic calculations (n = 12987445)

Multiplication

n×y

n×2	25974890
n×3	38962335
n×4	51949780
n×5	64937225

Division

n÷y

n÷2	6493722.5
n÷3	4329148.3333333
n÷3	3246861.25
n÷5	2597489

Exponentiation

n^y

n²	168673727628025
n³	2.190640760514E+21
n⁴	2.8450826391933E+28
n⁵	3.6950354296978E+35

Nth Root

^y√n

²√n	3603.8097896532
³√n	235.05774950131
⁴√n	60.031739851958
⁵√n	26.467001639466

Divisors of 12987445

1, 5, 2597489, 12987445

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	-12987444	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 12987445 can be divided by 4 positive divisors. The sum of these divisors (counting 12987445) is 1, the average is 0.25.

Base conversion 12987445

Base	System	Value
2	Binary	110001100010110000110101
3	Ternary	220102211102111
4	Quaternary	301202300311
5	Quinary	11311044240
6	Senary	1142211021
8	Octal	61426065
10	Decimal	12987445
12	Duodecimal	4423a71
16	Hexadecimal	c62c35
20	Vigesimal	4138c5
36	Base36	7qd6d

Cryptographic Hash Functions

md5	5b8ae5deb759b1f9c598054673f04fb8
sha1	781e24d277902ddaafe164d59824d87f8d192877
sha256	85d1dc1e30980caeb462f708f4d6ff67087077888311e19994ad47e78fc485e7
sha512	5ca452ceda76c677e4a28436cf5d3d5038e3292c4aaded1f0e72642d5f90ae9856c44480678eea7ced053157f867133bbe082aeb4e0cb77bae1dc4c2aa4b4c99
ripemd-160	1c4b3469a91ce0d9a8c24f695807795f275fc7dd

12987445 as geometric shapes

Circle

Radius = n

Diameter	25974890
Circumference	81602523.601803
Area	5.2990414356981E+14

Sphere

Radius = n

Volume	9.1761345598467E+21
Surface area	2.1196165742792E+15
Circumference	81602523.601803

Square

Length = n

Perimeter	51949780
Area	168673727628025
Diagonal	18367020.859575

Cube

Length = n

Surface area	1012042365768150
Volume	2.190640760514E+21
Space diagonal	22494914.600506

Equilateral Triangle

Length = n

Perimeter	38962335
Area	73037866538443
Altitude	11247457.300253

Triangular Pyramid

Length = n

Surface area	73037866538443
Volume	2.5816948948385E+20
Height	6122340.2865249