12921809 (number)

12921809 is an odd 8-digits prime number following 12921808 and preceding 12921810. In scientific notation, it is written as 1.2921809 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 12921808 positive integers (up to 12921809) that are relatively prime to 12921809.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2921809 × 10^7
Engineering notation 1.2921809 × 10^6

Prime Factorization of 12921809

Prime Factorization 12921809

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 12921809
Product of the distinct prime numbers

The prime factorization of 12921809 is 12921809. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12921809)

Multiplication

n×y
n×2 25843618
n×3 38765427
n×4 51687236
n×5 64609045

Division

n÷y
n÷2 6460904.5
n÷3 4307269.6666667
n÷3 3230452.25
n÷5 2584361.8

Exponentiation

ny
n2 166973147832481
n3 2.1575951244201E+21
n4 2.7880032097088E+28
n5 3.6026044967243E+35

Nth Root

y√n
2√n 3594.6917809459
3√n 234.6611019668
4√n 59.955748522939
5√n 26.440195588402

Divisors of 12921809

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 12921810
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 6460905
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 3594.6919200399
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998452229
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12921809 can be divided by 2 positive divisors. The sum of these divisors (counting 12921809) is 12921810, the average is 6460905.

Base conversion 12921809

Base System Value
2 Binary 110001010010101111010001
3 Ternary 220022111101112
4 Quaternary 301102233101
5 Quinary 11301444214
6 Senary 1140543105
8 Octal 61225721
10 Decimal 12921809
12 Duodecimal 43b1a95
16 Hexadecimal c52bd1
20 Vigesimal 40f4a9
36 Base36 7oyj5

Cryptographic Hash Functions

md5 f5edd849649343746fcf0184ad313248
sha1 a1fa106c19c764cebe5fbf936b0f0c4956bafea5
sha256 5e6b5c2328f736f653ef3ab6cb1537902936a1638d399b76951bb524a77ba7fe
sha512 bdf77a83a1bb2c8b14641e6c281512451937705459368e7d9ba6a2d3da54f2ced769e141d7ed0226c11280a5621c93d6fac377271846e5ab8e82a563813e4c6c
ripemd-160 47f72fc97b209351ab6c9f48213e7f51bfb2068e

12921809 as geometric shapes

Circle

Radius = n
Diameter 25843618
Circumference 81190120.450981
Area 5.2456161457728E+14

Sphere

Radius = n
Volume 9.0377133230657E+21
Surface area 2.0982464583091E+15
Circumference 81190120.450981

Square

Length = n
Perimeter 51687236
Area 166973147832481
Diagonal 18274197.538195

Cube

Length = n
Surface area 1001838886994886
Volume 2.1575951244201E+21
Space diagonal 22381229.713701

Equilateral Triangle

Length = n
Perimeter 38765427
Area 72301493886392
Altitude 11190614.85685

Triangular Pyramid

Length = n
Surface area 72301493886392
Volume 2.5427502392208E+20
Height 6091399.1793982