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

12938981 (number)

12938981 is an odd 8-digits composite number following 12938980 and preceding 12938982. In scientific notation, it is written as 1.2938981 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 11143440 positive integers (up to 12938981) that are relatively prime to 12938981.

Interesting facts

12938981 has 4 divisors, whose sum is 13001100
The reverse of 12938981 is 18983921
Previous prime number is 209

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	1.2938981 × 10^7
Engineering notation	1.2938981 × 10^6

Prime Factorization of 12938981

Prime Factorization 209 × 61909

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12938981	Product of the distinct prime numbers

The prime factorization of 12938981 is 209 × 61909. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 41, 65, 806, 393, 9160, 855, 12689, 90454, 716625, 63961, 777360, 7833318, 35135311, 32191414, 598899284, 604670016, 4795050093, 7062372454

Basic calculations (n = 12938981)

Multiplication

n×y

n×2	25877962
n×3	38816943
n×4	51755924
n×5	64694905

Division

n÷y

n÷2	6469490.5
n÷3	4312993.6666667
n÷3	3234745.25
n÷5	2587796.2

Exponentiation

n^y

n²	167417229318361
n³	2.1662083492229E+21
n⁴	2.8028528672637E+28
n⁵	3.626605999532E+35

Nth Root

^y√n

²√n	3597.0795098246
³√n	234.76500425993
⁴√n	59.975657643953
⁵√n	26.447219216181

Divisors of 12938981

1, 209, 61909, 12938981

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	-12938980	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 12938981 can be divided by 4 positive divisors. The sum of these divisors (counting 12938981) is 1, the average is 0.25.

Base conversion 12938981

Base	System	Value
2	Binary	110001010110111011100101
3	Ternary	220100100221112
4	Quaternary	301112323211
5	Quinary	11303021411
6	Senary	1141154405
8	Octal	61267345
10	Decimal	12938981
12	Duodecimal	43bba05
16	Hexadecimal	c56ee5
20	Vigesimal	40h791
36	Base36	7pbs5

Cryptographic Hash Functions

md5	fd551185f924975d83b18ad614becece
sha1	5990415e6ae5237f0e92f52a4850a636ec28e16b
sha256	2ab3ca6ea9f56b5a2a2346cdcc00c21986dbc782bfc695eacabc2b133d0ebd87
sha512	271591e234c781476a74a4b163e82654cb60647fb552bd7422f29b33443a6a634e58d4eb3e04c6357279e7fdacb6f945b7c9852e32a1fc422d2fe6a6753ca6fb
ripemd-160	14e617282e9561e20baf782765e8fbf52e958ec4

12938981 as geometric shapes

Circle

Radius = n

Diameter	25877962
Circumference	81298015.309076
Area	5.2595673771092E+14

Sphere

Radius = n

Volume	9.0737923147514E+21
Surface area	2.1038269508437E+15
Circumference	81298015.309076

Square

Length = n

Perimeter	51755924
Area	167417229318361
Diagonal	18298482.413488

Cube

Length = n

Surface area	1004503375910166
Volume	2.1662083492229E+21
Space diagonal	22410972.490168

Equilateral Triangle

Length = n

Perimeter	38816943
Area	72493786810453
Altitude	11205486.245084

Triangular Pyramid

Length = n

Surface area	72493786810453
Volume	2.5529010219974E+20
Height	6099494.1378293