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

12981391 (number)

12981391 is an odd 8-digits prime number following 12981390 and preceding 12981392. In scientific notation, it is written as 1.2981391 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 12981390 positive integers (up to 12981391) that are relatively prime to 12981391.

Interesting facts

12981391 has 2 divisors, whose sum is 12981392
The reverse of 12981391 is 19318921
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	1.2981391 × 10^7
Engineering notation	1.2981391 × 10^6

Prime Factorization of 12981391

Prime Factorization 12981391

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	12981391	Product of the distinct prime numbers

The prime factorization of 12981391 is 12981391. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 9, 96, 11, 282, 688, 6189, 6305, 99011, 2154, 397062, 797786, 9927592, 9222898, 93374719, 84250126, 507820648, 617383238, 5148464383, 9297246661

Basic calculations (n = 12981391)

Multiplication

n×y

n×2	25962782
n×3	38944173
n×4	51925564
n×5	64906955

Division

n÷y

n÷2	6490695.5
n÷3	4327130.3333333
n÷3	3245347.75
n÷5	2596278.2

Exponentiation

n^y

n²	168516512294881
n³	2.1875787360562E+21
n⁴	2.8397814916031E+28
n⁵	3.6864313897063E+35

Nth Root

^y√n

²√n	3602.9697473057
³√n	235.02122035628
⁴√n	60.024742792499
⁵√n	26.464533700429

Divisors of 12981391

1, 12981391

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	12981392	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	6490696	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	3602.9698860801	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998459333	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981391 can be divided by 2 positive divisors. The sum of these divisors (counting 12981391) is 12981392, the average is 6490696.

Base conversion 12981391

Base	System	Value
2	Binary	110001100001010010001111
3	Ternary	220102112010021
4	Quaternary	301201102033
5	Quinary	11310401031
6	Senary	1142123011
8	Octal	61412217
10	Decimal	12981391
12	Duodecimal	4420467
16	Hexadecimal	c6148f
20	Vigesimal	412d9b
36	Base36	7q8i7

Cryptographic Hash Functions

md5	c39312131bb00483107c9408db442288
sha1	f64259b0a1eee2c6ca8f962043ae11ceb9f007cb
sha256	b4cb730dff8db536ba11a6311642077a323ffc7d63d4bc285b0bebf8d0a7d089
sha512	405605e092d1379f5f5c659833ceec9ad347b3688390b195b0823e8fc3912b52fbfbb0e2329eb4348e519ef5c2b6526150f1e527c8e25bb4e93c63db384625e2
ripemd-160	f8829009f3d2cab47c3e28d4f116e134b98b7832

12981391 as geometric shapes

Circle

Radius = n

Diameter	25962782
Circumference	81564485.197953
Area	5.2941023703417E+14

Sphere

Radius = n

Volume	9.163308381791E+21
Surface area	2.1176409481367E+15
Circumference	81564485.197953

Square

Length = n

Perimeter	51925564
Area	168516512294881
Diagonal	18358459.210668

Cube

Length = n

Surface area	1011099073769286
Volume	2.1875787360562E+21
Space diagonal	22484428.764917

Equilateral Triangle

Length = n

Perimeter	38944173
Area	72969790302260
Altitude	11242214.382459

Triangular Pyramid

Length = n

Surface area	72969790302260
Volume	2.578086264408E+20
Height	6119486.403556