12821909 (number)

12821909 is an odd 8-digits composite number following 12821908 and preceding 12821910. In scientific notation, it is written as 1.2821909 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 12789216 positive integers (up to 12821909) that are relatively prime to 12821909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821909 × 10^7
Engineering notation 1.2821909 × 10^6

Prime Factorization of 12821909

Prime Factorization 32297 × 397

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12821909
Product of the distinct prime numbers

The prime factorization of 12821909 is 32297 × 397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821909)

Multiplication

n×y
n×2 25643818
n×3 38465727
n×4 51287636
n×5 64109545

Division

n÷y
n÷2 6410954.5
n÷3 4273969.6666667
n÷3 3205477.25
n÷5 2564381.8

Exponentiation

ny
n2 164401350404281
n3 2.1079391543608E+21
n4 2.7027804014751E+28
n5 3.4654804354697E+35

Nth Root

y√n
2√n 3580.7693307444
3√n 234.05480611702
4√n 59.839529833919
5√n 26.399186129934

Divisors of 12821909

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 -12821908
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 12821909 can be divided by 4 positive divisors. The sum of these divisors (counting 12821909) is 1, the average is 0.25.

Base conversion 12821909

Base System Value
2 Binary 110000111010010110010101
3 Ternary 220010102100112
4 Quaternary 300322112111
5 Quinary 11240300114
6 Senary 1134452405
8 Octal 60722625
10 Decimal 12821909
12 Duodecimal 4364105
16 Hexadecimal c3a595
20 Vigesimal 402ef9
36 Base36 7mtg5

Cryptographic Hash Functions

md5 dc888607617d013b8035b0a7da3d07af
sha1 95e07b91985864ac89b9cd194ec4bc880078c852
sha256 76aab101dcc0addd1fa67386d2e903cc7eea18d2c2f51bbbfdb6ba0a725912d9
sha512 0b0f6cc8692a8bcdd30fc71d4078da0bd7957e03863082b7348b7cffac0c483de0ac0aa6dbaa735c35e89930832d587b80caa3711fc627b2794fa242a8960ed5
ripemd-160 b5c4d89a15f9963696f31a0adf6c53efa20aaa33

12821909 as geometric shapes

Circle

Radius = n
Diameter 25643818
Circumference 80562430.238794
Area 5.1648207467033E+14

Sphere

Radius = n
Volume 8.8297148820722E+21
Surface area 2.0659282986813E+15
Circumference 80562430.238794

Square

Length = n
Perimeter 51287636
Area 164401350404281
Diagonal 18132917.603314

Cube

Length = n
Surface area 986408102425686
Volume 2.1079391543608E+21
Space diagonal 22208197.838025

Equilateral Triangle

Length = n
Perimeter 38465727
Area 71187872933287
Altitude 11104098.919012

Triangular Pyramid

Length = n
Surface area 71187872933287
Volume 2.4842301172953E+20
Height 6044305.8677712