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

12821391 (number)

12821391 is an odd 8-digits composite number following 12821390 and preceding 12821392. In scientific notation, it is written as 1.2821391 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 7770480 positive integers (up to 12821391) that are relatively prime to 12821391.

Interesting facts

12821391 has 4 divisors, whose sum is 12951000
The reverse of 12821391 is 19312821
Previous prime number is 99

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twelve million eight hundred twenty-one thousand three hundred ninety-one

Notation

Scientific notation	1.2821391 × 10^7
Engineering notation	1.2821391 × 10^6

Prime Factorization of 12821391

Prime Factorization 99 × 129509

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12821391	Product of the distinct prime numbers

The prime factorization of 12821391 is 99 × 129509. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 50, 55, 687, 875, 3928, 5254, 86070, 29291, 371814, 374399, 4291052, 4665570, 1677111, 40222969, 943901506, 566329721, 6585534358, 3601237823

Basic calculations (n = 12821391)

Multiplication

n×y

n×2	25642782
n×3	38464173
n×4	51285564
n×5	64106955

Division

n÷y

n÷2	6410695.5
n÷3	4273797
n÷3	3205347.75
n÷5	2564278.2

Exponentiation

n^y

n²	164388067174881
n³	2.1076836849834E+21
n⁴	2.7023436629493E+28
n⁵	3.4647804719045E+35

Nth Root

^y√n

²√n	3580.6969991888
³√n	234.05165416769
⁴√n	59.838925451489
⁵√n	26.398972823173

Divisors of 12821391

1, 99, 129509, 12821391

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	-12821390	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 12821391 can be divided by 4 positive divisors. The sum of these divisors (counting 12821391) is 1, the average is 0.25.

Base conversion 12821391

Base	System	Value
2	Binary	110000111010001110001111
3	Ternary	220010101122100
4	Quaternary	300322032033
5	Quinary	11240241031
6	Senary	1134450143
8	Octal	60721617
10	Decimal	12821391
12	Duodecimal	4363953
16	Hexadecimal	c3a38f
20	Vigesimal	402d9b
36	Base36	7mt1r

Cryptographic Hash Functions

md5	f4013d54ef1a1c8ead48d03eff92f108
sha1	72cc41e3bd0282f916df7b73a8bce28e594d7438
sha256	2759a6146f84757fe576c06b532d277c24f265c50c0b394dab9373160b6d364a
sha512	d61c8cb443134c3595e7a8d4c8fd351970f8032886c1a194f5fdbfc655b67dcc54305606787743d1e54ec382e3907aba3d3c3ca261c27ff6d3cd70d7d981d152
ripemd-160	5bbc690cc61181913c8ff2b3a2c2a7706af0eb0a

12821391 as geometric shapes

Circle

Radius = n

Diameter	25642782
Circumference	80559175.548805
Area	5.1644034417443E+14

Sphere

Radius = n

Volume	8.8286447744466E+21
Surface area	2.0657613766977E+15
Circumference	80559175.548805

Square

Length = n

Perimeter	51285564
Area	164388067174881
Diagonal	18132185.040688

Cube

Length = n

Surface area	986328403049286
Volume	2.1076836849834E+21
Space diagonal	22207300.635706

Equilateral Triangle

Length = n

Perimeter	38464173
Area	71182121126235
Altitude	11103650.317853

Triangular Pyramid

Length = n

Surface area	71182121126235
Volume	2.4839290437467E+20
Height	6044061.6802294