12821809 (number)

12821809 is an odd 8-digits composite number following 12821808 and preceding 12821810. In scientific notation, it is written as 1.2821809 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 9221760 positive integers (up to 12821809) that are relatively prime to 12821809.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821809 × 10^7
Engineering notation 1.2821809 × 10^6

Prime Factorization of 12821809

Prime Factorization 11 × 91 × 12809

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12821809
Product of the distinct prime numbers

The prime factorization of 12821809 is 11 × 91 × 12809. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821809)

Multiplication

n×y
n×2 25643618
n×3 38465427
n×4 51287236
n×5 64109045

Division

n÷y
n÷2 6410904.5
n÷3 4273936.3333333
n÷3 3205452.25
n÷5 2564361.8

Exponentiation

ny
n2 164398786032481
n3 2.1078898343403E+21
n4 2.7026960848953E+28
n5 3.4653452985576E+35

Nth Root

y√n
2√n 3580.7553672375
3√n 234.05419763921
4√n 59.8394131592
5√n 26.39914495156

Divisors of 12821809

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 -12821808
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 12821809 can be divided by 8 positive divisors. The sum of these divisors (counting 12821809) is 1, the average is 0.125.

Base conversion 12821809

Base System Value
2 Binary 110000111010010100110001
3 Ternary 220010102012211
4 Quaternary 300322110301
5 Quinary 11240244214
6 Senary 1134452121
8 Octal 60722461
10 Decimal 12821809
12 Duodecimal 4364041
16 Hexadecimal c3a531
20 Vigesimal 402ea9
36 Base36 7mtdd

Cryptographic Hash Functions

md5 7bb58cef83ee2ef954a89650da81fedd
sha1 e23d483924ee213dca89389c9043d83b9de602cc
sha256 f9fdbca74689e068770b9ebc859781f8c614ef932996f2fc30714d18110c981b
sha512 1afcbc71b01a69e7e02944ef64e863059f79420299c6a0630f03fb1093df2f74cd6377089dc9e23c3679fca70c597c97ec4e1e5e409df1e3489a5c1819d67bdf
ripemd-160 14c3b9342671cc809728de4edd97a262884e122e

12821809 as geometric shapes

Circle

Radius = n
Diameter 25643618
Circumference 80561801.920263
Area 5.1647401845872E+14

Sphere

Radius = n
Volume 8.8295082908536E+21
Surface area 2.0658960738349E+15
Circumference 80561801.920263

Square

Length = n
Perimeter 51287236
Area 164398786032481
Diagonal 18132776.181957

Cube

Length = n
Surface area 986392716194886
Volume 2.1078898343403E+21
Space diagonal 22208024.632944

Equilateral Triangle

Length = n
Perimeter 38465427
Area 71186762527725
Altitude 11104012.316472

Triangular Pyramid

Length = n
Surface area 71186762527725
Volume 2.4841719930937E+20
Height 6044258.7273191