12821421 (number)

12821421 is an odd 8-digits composite number following 12821420 and preceding 12821422. In scientific notation, it is written as 1.2821421 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 8547612 positive integers (up to 12821421) that are relatively prime to 12821421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821421 × 10^7
Engineering notation 1.2821421 × 10^6

Prime Factorization of 12821421

Prime Factorization 3 × 4273807

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12821421
Product of the distinct prime numbers

The prime factorization of 12821421 is 3 × 4273807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821421)

Multiplication

n×y
n×2 25642842
n×3 38464263
n×4 51285684
n×5 64107105

Division

n÷y
n÷2 6410710.5
n÷3 4273807
n÷3 3205355.25
n÷5 2564284.2

Exponentiation

ny
n2 164388836459241
n3 2.1076984799441E+21
n4 2.7023689552423E+28
n5 3.4648210072492E+35

Nth Root

y√n
2√n 3580.7011883149
3√n 234.05183671534
4√n 59.838960454832
5√n 26.398985177035

Divisors of 12821421

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 -12821420
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 12821421 can be divided by 4 positive divisors. The sum of these divisors (counting 12821421) is 1, the average is 0.25.

Base conversion 12821421

Base System Value
2 Binary 110000111010001110101101
3 Ternary 220010101200110
4 Quaternary 300322032231
5 Quinary 11240241141
6 Senary 1134450233
8 Octal 60721655
10 Decimal 12821421
12 Duodecimal 4363979
16 Hexadecimal c3a3ad
20 Vigesimal 402db1
36 Base36 7mt2l

Cryptographic Hash Functions

md5 01c37df40cf9c10a5928c5dda7a3ce81
sha1 d2d772a30804feb9e215892c6ede5eff2aa7a6dd
sha256 53703125420e180f9fb976df2fe07190e0c7def3f66283d214ee538a05e4ac9c
sha512 675f31664826e6a3456bca5d70e9cf555536784c720a72d224085957f2633f82d8a6e6ed37ffbc526aca172deb518ef9b57f980b317974d4e67da490302eca53
ripemd-160 9f3e740dc94cef6ba8007f2673d20aed27317735

12821421 as geometric shapes

Circle

Radius = n
Diameter 25642842
Circumference 80559364.044364
Area 5.1644276095253E+14

Sphere

Radius = n
Volume 8.8287067474329E+21
Surface area 2.0657710438101E+15
Circumference 80559364.044364

Square

Length = n
Perimeter 51285684
Area 164388836459241
Diagonal 18132227.467095

Cube

Length = n
Surface area 986333018755446
Volume 2.1076984799441E+21
Space diagonal 22207352.597231

Equilateral Triangle

Length = n
Perimeter 38464263
Area 71182454236134
Altitude 11103676.298615

Triangular Pyramid

Length = n
Surface area 71182454236134
Volume 2.4839464797751E+20
Height 6044075.8223651