12821385 (number)

12821385 is an odd 8-digits composite number following 12821384 and preceding 12821386. In scientific notation, it is written as 1.2821385 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 6805632 positive integers (up to 12821385) that are relatively prime to 12821385.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821385 × 10^7
Engineering notation 1.2821385 × 10^6

Prime Factorization of 12821385

Prime Factorization 15 × 223 × 3833

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12821385
Product of the distinct prime numbers

The prime factorization of 12821385 is 15 × 223 × 3833. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821385)

Multiplication

n×y
n×2 25642770
n×3 38464155
n×4 51285540
n×5 64106925

Division

n÷y
n÷2 6410692.5
n÷3 4273795
n÷3 3205346.25
n÷5 2564277

Exponentiation

ny
n2 164387913318225
n3 2.1076807259996E+21
n4 2.702338604512E+28
n5 3.4647723648811E+35

Nth Root

y√n
2√n 3580.696161363
3√n 234.05161765813
4√n 59.838918450813
5√n 26.398970352398

Divisors of 12821385

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 -12821384
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 12821385 can be divided by 8 positive divisors. The sum of these divisors (counting 12821385) is 1, the average is 0.125.

Base conversion 12821385

Base System Value
2 Binary 110000111010001110001001
3 Ternary 220010101122010
4 Quaternary 300322032021
5 Quinary 11240241020
6 Senary 1134450133
8 Octal 60721611
10 Decimal 12821385
12 Duodecimal 4363949
16 Hexadecimal c3a389
20 Vigesimal 402d95
36 Base36 7mt1l

Cryptographic Hash Functions

md5 99f18d3803499b2fbd1b3c666acae886
sha1 f1ba4517dfbc12456ff0d966db2303fb2a69132a
sha256 e78dfba19d93508838002f74c5ae8521f316414bbe105948b87c2ae77058b5e0
sha512 b99c89173800e890803d0229c2de5d9017de45ee30b1523ae912e58bcd3e1fc931f67a68e0f4e77f993124c73bf13fa59cefc7b0e40001e42a14de324561c044
ripemd-160 498c73dca9501132fb9274baf4f2b217086d2b47

12821385 as geometric shapes

Circle

Radius = n
Diameter 25642770
Circumference 80559137.849693
Area 5.1643986081949E+14

Sphere

Radius = n
Volume 8.8286323798842E+21
Surface area 2.065759443278E+15
Circumference 80559137.849693

Square

Length = n
Perimeter 51285540
Area 164387913318225
Diagonal 18132176.555407

Cube

Length = n
Surface area 986327479909350
Volume 2.1076807259996E+21
Space diagonal 22207290.243401

Equilateral Triangle

Length = n
Perimeter 38464155
Area 71182054504349
Altitude 11103645.121701

Triangular Pyramid

Length = n
Surface area 71182054504349
Volume 2.4839255565508E+20
Height 6044058.8518023