12821387 (number)

12821387 is an odd 8-digits composite number following 12821386 and preceding 12821388. In scientific notation, it is written as 1.2821387 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 12777336 positive integers (up to 12821387) that are relatively prime to 12821387.

Interesting facts

Basic properties

Name

Name twelve million eight hundred twenty-one thousand three hundred eighty-seven

Notation

Scientific notation 1.2821387 × 10^7
Engineering notation 1.2821387 × 10^6

Prime Factorization of 12821387

Prime Factorization 293 × 43759

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12821387
Product of the distinct prime numbers

The prime factorization of 12821387 is 293 × 43759. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821387)

Multiplication

n×y
n×2 25642774
n×3 38464161
n×4 51285548
n×5 64106935

Division

n÷y
n÷2 6410693.5
n÷3 4273795.6666667
n÷3 3205346.75
n÷5 2564277.4

Exponentiation

ny
n2 164387964603769
n3 2.1076817123272E+21
n4 2.702340290657E+28
n5 3.4647750672206E+35

Nth Root

y√n
2√n 3580.6964406383
3√n 234.05162982799
4√n 59.838920784372
5√n 26.39897117599

Divisors of 12821387

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 -12821386
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 12821387 can be divided by 4 positive divisors. The sum of these divisors (counting 12821387) is 1, the average is 0.25.

Base conversion 12821387

Base System Value
2 Binary 110000111010001110001011
3 Ternary 220010101122012
4 Quaternary 300322032023
5 Quinary 11240241022
6 Senary 1134450135
8 Octal 60721613
10 Decimal 12821387
12 Duodecimal 436394b
16 Hexadecimal c3a38b
20 Vigesimal 402d97
36 Base36 7mt1n

Cryptographic Hash Functions

md5 b8f69b0da56b05f046f049df6fe436d5
sha1 be61749d5e3bfff686642be17642abfdf8710381
sha256 bdf0d8c40cfa264b4232ea5602692f5f92c0c11033354c47f2fd12a29b45d22d
sha512 53b379a4c86ac830f0b8dcdbcdc3891702bd9302058bc0edc38b52b596ea527a7526677633784c81bd5937ef628e21998088c287afbff68b63d2fabb82b6ae56
ripemd-160 05b0cc753eb0255ae3941826d966de0921d75df4

12821387 as geometric shapes

Circle

Radius = n
Diameter 25642774
Circumference 80559150.416063
Area 5.1644002193778E+14

Sphere

Radius = n
Volume 8.8286365114037E+21
Surface area 2.0657600877511E+15
Circumference 80559150.416063

Square

Length = n
Perimeter 51285548
Area 164387964603769
Diagonal 18132179.383834

Cube

Length = n
Surface area 986327787622614
Volume 2.1076817123272E+21
Space diagonal 22207293.707503

Equilateral Triangle

Length = n
Perimeter 38464161
Area 71182076711641
Altitude 11103646.853752

Triangular Pyramid

Length = n
Surface area 71182076711641
Volume 2.4839267189491E+20
Height 6044059.7946114