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 4 prime factors and 16 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 7 × 13 × 11 × 12809

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12821809
Product of the distinct prime numbers

The prime factorization of 12821809 is 7 × 13 × 11 × 12809. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 27, 83, 770, 387, 3827, 2142, 18436, 71728, 700181, 657426, 3630039, 3700378, 68500535, 76048418, 897432610, 285454064, 9798718672, 4305920232

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

1, 7, 11, 13, 77, 91, 143, 1001, 12809, 89663, 140899, 166517, 986293, 1165619, 1831687, 12821809

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 -12821808
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 12821809 can be divided by 16 positive divisors. The sum of these divisors (counting 12821809) is 1, the average is 0.0625.

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