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

12981931 (number)

12981931 is an odd 8-digits composite number following 12981930 and preceding 12981932. In scientific notation, it is written as 1.2981931 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 11887488 positive integers (up to 12981931) that are relatively prime to 12981931.

Interesting facts

12981931 has 8 divisors, whose sum is 14117760
The reverse of 12981931 is 13918921
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	1.2981931 × 10^7
Engineering notation	1.2981931 × 10^6

Prime Factorization of 12981931

Prime Factorization 17 × 37 × 20639

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12981931	Product of the distinct prime numbers

The prime factorization of 12981931 is 17 × 37 × 20639. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 91, 53, 79, 796, 1499, 338, 67853, 41700, 627561, 277331, 7819377, 7309164, 52808166, 72580806, 835447427, 409638044, 2209662116, 3655796820

Basic calculations (n = 12981931)

Multiplication

n×y

n×2	25963862
n×3	38945793
n×4	51927724
n×5	64909655

Division

n÷y

n÷2	6490965.5
n÷3	4327310.3333333
n÷3	3245482.75
n÷5	2596386.2

Exponentiation

n^y

n²	168530532488761
n³	2.1878517441624E+21
n⁴	2.8402540380945E+28
n⁵	3.6871981945015E+35

Nth Root

^y√n

²√n	3603.0446847076
³√n	235.02447911592
⁴√n	60.025367010187
⁵√n	26.46475387114

Divisors of 12981931

1, 17, 37, 629, 20639, 350863, 763643, 12981931

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	-12981930	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 12981931 can be divided by 8 positive divisors. The sum of these divisors (counting 12981931) is 1, the average is 0.125.

Base conversion 12981931

Base	System	Value
2	Binary	110001100001011010101011
3	Ternary	220102112212021
4	Quaternary	301201122223
5	Quinary	11310410211
6	Senary	1142125311
8	Octal	61413253
10	Decimal	12981931
12	Duodecimal	4420837
16	Hexadecimal	c616ab
20	Vigesimal	412egb
36	Base36	7q8x7

Cryptographic Hash Functions

md5	a528adafa7d6e14f26639bc993ad6138
sha1	8874c3280df50dc96774ab7ea67b161c9062ca19
sha256	6a515dfc3efff52ab6e44d07b03c403bcd1b6f356d80ab9465e6f256b26b90fc
sha512	8ee5af9a72e47a1ded97ecdf73e2c6ecdf71123daf78e2fcc23bd649a430aecaae6255edb8c959f65634289d6067bb71500c8d12fb57c20c9f1ac5bc9920689b
ripemd-160	cf8af3944a0950cf6f4da8d526be1afcc34c7bd2

12981931 as geometric shapes

Circle

Radius = n

Diameter	25963862
Circumference	81567878.118019
Area	5.2945428277227E+14

Sphere

Radius = n

Volume	9.1644519554721E+21
Surface area	2.1178171310891E+15
Circumference	81567878.118019

Square

Length = n

Perimeter	51927724
Area	168530532488761
Diagonal	18359222.885992

Cube

Length = n

Surface area	1011183194932566
Volume	2.1878517441624E+21
Space diagonal	22485364.072353

Equilateral Triangle

Length = n

Perimeter	38945793
Area	72975861224293
Altitude	11242682.036177

Triangular Pyramid

Length = n

Surface area	72975861224293
Volume	2.5784080075467E+20
Height	6119740.9619972