13121808 (number)

13121808 is an even 8-digits composite number following 13121807 and preceding 13121809. In scientific notation, it is written as 1.3121808 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 40 positive divisors. There are 3744384 positive integers (up to 13121808) that are relatively prime to 13121808.

Interesting facts

Basic properties

Name

Name thirteen million one hundred twenty-one thousand eight hundred eight

Notation

Scientific notation 1.3121808 × 10^7
Engineering notation 1.3121808 × 10^6

Prime Factorization of 13121808

Prime Factorization 2 × 2 × 2 × 2 × 21 × 49 × 797

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1640226
Product of the distinct prime numbers

The prime factorization of 13121808 is 2 × 2 × 2 × 2 × 21 × 49 × 797. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13121808)

Multiplication

n×y
n×2 26243616
n×3 39365424
n×4 52487232
n×5 65609040

Division

n÷y
n÷2 6560904
n÷3 4373936
n÷3 3280452
n÷5 2624361.6

Exponentiation

ny
n2 172181845188864
n3 2.259337113654E+21
n4 2.9646587812642E+28
n5 3.8901683313263E+35

Nth Root

y√n
2√n 3622.4036219063
3√n 235.86557507916
4√n 60.186407285253
5√n 26.521539850406

Divisors of 13121808

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -13121807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 13121808 can be divided by 40 positive divisors. The sum of these divisors (counting 13121808) is 1, the average is 0.025.

Base conversion 13121808

Base System Value
2 Binary 110010000011100100010000
3 Ternary 220200122201220
4 Quaternary 302003210100
5 Quinary 11324344213
6 Senary 1145125040
8 Octal 62034420
10 Decimal 13121808
12 Duodecimal 4489780
16 Hexadecimal c83910
20 Vigesimal 4204a8
36 Base36 7t8uo

Cryptographic Hash Functions

md5 30cd912e44eb19596139b3089ebc0311
sha1 a7ab4498ce93dc053c8d1467812432b8f13702f3
sha256 b76761e3474e891be9af043e301f8b8ae23b0faa6f07cfed64700beda777118f
sha512 71a4289cf18bab701d06aea2dae5f0b7bda2985e948b88a7b6aa34da1e24dd9de9078baa340d0da09882d91fb44777c18729271a5849bdcd002a0cb3b811509c
ripemd-160 9ee9714282fba4d0ce92f58cb21ad6561f036f60

13121808 as geometric shapes

Circle

Radius = n
Diameter 26243616
Circumference 82446751.229232
Area 5.4092521992687E+14

Sphere

Radius = n
Volume 9.4638891709842E+21
Surface area 2.1637008797075E+15
Circumference 82446751.229232

Square

Length = n
Perimeter 52487232
Area 172181845188864
Diagonal 18557038.836456

Cube

Length = n
Surface area 1033091071133184
Volume 2.259337113654E+21
Space diagonal 22727638.143164

Equilateral Triangle

Length = n
Perimeter 39365424
Area 74556926002018
Altitude 11363819.071582

Triangular Pyramid

Length = n
Surface area 74556926002018
Volume 2.6626543234186E+20
Height 6185679.6121519