12931821 (number)

12931821 is an odd 8-digits composite number following 12931820 and preceding 12931822. In scientific notation, it is written as 1.2931821 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 7389576 positive integers (up to 12931821) that are relatively prime to 12931821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2931821 × 10^7
Engineering notation 1.2931821 × 10^6

Prime Factorization of 12931821

Prime Factorization 3 × 21 × 205267

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12931821
Product of the distinct prime numbers

The prime factorization of 12931821 is 3 × 21 × 205267. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12931821)

Multiplication

n×y
n×2 25863642
n×3 38795463
n×4 51727284
n×5 64659105

Division

n÷y
n÷2 6465910.5
n÷3 4310607
n÷3 3232955.25
n÷5 2586364.2

Exponentiation

ny
n2 167231994376041
n3 2.162614216744E+21
n4 2.7966539942988E+28
n5 3.6165828853207E+35

Nth Root

y√n
2√n 3596.0841202619
3√n 234.72169256533
4√n 59.967358790111
5√n 26.444291566497

Divisors of 12931821

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 -12931820
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 12931821 can be divided by 8 positive divisors. The sum of these divisors (counting 12931821) is 1, the average is 0.125.

Base conversion 12931821

Base System Value
2 Binary 110001010101001011101101
3 Ternary 220100000010100
4 Quaternary 301111023231
5 Quinary 11302304241
6 Senary 1141101313
8 Octal 61251355
10 Decimal 12931821
12 Duodecimal 43b7839
16 Hexadecimal c552ed
20 Vigesimal 40g9b1
36 Base36 7p699

Cryptographic Hash Functions

md5 0348d90db7ebbbd3f496052d1c829d5d
sha1 a35dc86357f713c9358f2da513c636482451e1e3
sha256 2cfd5eaa5cf263b00ff4816b97a5257dde8b0c1d847fcaf43388d100d370d4b8
sha512 0493b74dbec6cf0d68be9f605d4056e1933ec4399120e5a5080c574959345502910bd391bab636617ee887b027ec72b9407806fe5e453a48ace02c93f1a2bb1a
ripemd-160 eeeb83e0fa39b6633770f8747d04a9bceb7d39cc

12931821 as geometric shapes

Circle

Radius = n
Diameter 25863642
Circumference 81253027.702276
Area 5.2537480497694E+14

Sphere

Radius = n
Volume 9.0587372478289E+21
Surface area 2.1014992199078E+15
Circumference 81253027.702276

Square

Length = n
Perimeter 51727284
Area 167231994376041
Diagonal 18288356.644381

Cube

Length = n
Surface area 1003391966256246
Volume 2.162614216744E+21
Space diagonal 22398571.006386

Equilateral Triangle

Length = n
Perimeter 38795463
Area 72413577727594
Altitude 11199285.503193

Triangular Pyramid

Length = n
Surface area 72413577727594
Volume 2.5486652962502E+20
Height 6096118.8814604