12821390 (number)

12821390 is an even 8-digits composite number following 12821389 and preceding 12821391. In scientific notation, it is written as 1.2821390 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 4858560 positive integers (up to 12821390) that are relatively prime to 12821390.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821390 × 10^7
Engineering notation 1.2821390 × 10^6

Prime Factorization of 12821390

Prime Factorization 2 × 5 × 19 × 67481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12821390
Product of the distinct prime numbers

The prime factorization of 12821390 is 2 × 5 × 19 × 67481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 80, 83, 617, 324, 1053, 199, 82745, 23438, 155146, 707108, 4034437, 5507900, 16926873, 11835702, 491883788, 166903421, 2028462225, 7418437572

Basic calculations (n = 12821390)

Multiplication

n×y
n×2 25642780
n×3 38464170
n×4 51285560
n×5 64106950

Division

n÷y
n÷2 6410695
n÷3 4273796.6666667
n÷3 3205347.5
n÷5 2564278

Exponentiation

ny
n2 164388041532100
n3 2.1076831918193E+21
n4 2.7023428198759E+28
n5 3.4647791207329E+35

Nth Root

y√n
2√n 3580.6968595512
3√n 234.05164808277
4√n 59.83892428471
5√n 26.398972411377

Divisors of 12821390

1, 2, 5, 10, 19, 38, 95, 190, 67481, 134962, 337405, 674810, 1282139, 2564278, 6410695, 12821390

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12821389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12821390 can be divided by 16 positive divisors. The sum of these divisors (counting 12821390) is 1, the average is 0.0625.

Base conversion 12821390

Base System Value
2 Binary 110000111010001110001110
3 Ternary 220010101122022
4 Quaternary 300322032032
5 Quinary 11240241030
6 Senary 1134450142
8 Octal 60721616
10 Decimal 12821390
12 Duodecimal 4363952
16 Hexadecimal c3a38e
20 Vigesimal 402d9a
36 Base36 7mt1q

Cryptographic Hash Functions

md5 18840c0ab2d5e083d23382ebdd15c042
sha1 09c3856251e700cc32cb15b3f66310fc5c4a944b
sha256 ca1a072eb3ad75b8099cc81d2608340598e37675364619340cd0d0cb47f8a868
sha512 623e82c13a4c83d327a1131e74534df6fb72b39a18075dcbc6f0ea4c08f3edf4be6a5cec097f875fac2e0e2a020f1ea9adc2a9c4ae89c9e5dceb7f7aea483d9b
ripemd-160 de3aeb1a776ee969fbe28eb3c1ba529e0c04f952

12821390 as geometric shapes

Circle

Radius = n
Diameter 25642780
Circumference 80559169.265619
Area 5.1644026361526E+14

Sphere

Radius = n
Volume 8.8286427086854E+21
Surface area 2.065761054461E+15
Circumference 80559169.265619

Square

Length = n
Perimeter 51285560
Area 164388041532100
Diagonal 18132183.626475

Cube

Length = n
Surface area 986328249192600
Volume 2.1076831918193E+21
Space diagonal 22207298.903656

Equilateral Triangle

Length = n
Perimeter 38464170
Area 71182110022585
Altitude 11103649.451828

Triangular Pyramid

Length = n
Surface area 71182110022585
Volume 2.4839284625472E+20
Height 6044061.2088249