12821405 (number)

12821405 is an odd 8-digits composite number following 12821404 and preceding 12821406. In scientific notation, it is written as 1.2821405 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 10191168 positive integers (up to 12821405) that are relatively prime to 12821405.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821405 × 10^7
Engineering notation 1.2821405 × 10^6

Prime Factorization of 12821405

Prime Factorization 5 × 157 × 16333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12821405
Product of the distinct prime numbers

The prime factorization of 12821405 is 5 × 157 × 16333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821405)

Multiplication

n×y
n×2 25642810
n×3 38464215
n×4 51285620
n×5 64107025

Division

n÷y
n÷2 6410702.5
n÷3 4273801.6666667
n÷3 3205351.25
n÷5 2564281

Exponentiation

ny
n2 164388426174025
n3 2.1076905892898E+21
n4 2.7023554659973E+28
n5 3.4647993883515E+35

Nth Root

y√n
2√n 3580.698954115
3√n 234.05173935663
4√n 59.83894178639
5√n 26.398978588311

Divisors of 12821405

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 -12821404
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 12821405 can be divided by 8 positive divisors. The sum of these divisors (counting 12821405) is 1, the average is 0.125.

Base conversion 12821405

Base System Value
2 Binary 110000111010001110011101
3 Ternary 220010101122212
4 Quaternary 300322032131
5 Quinary 11240241110
6 Senary 1134450205
8 Octal 60721635
10 Decimal 12821405
12 Duodecimal 4363965
16 Hexadecimal c3a39d
20 Vigesimal 402da5
36 Base36 7mt25

Cryptographic Hash Functions

md5 7b5f14f201cb2d8c36e11174db9c3e02
sha1 3e688a9efbe015a5800335c9bd96da2e4aca0470
sha256 b9f80711026914392bd280ebce12d41558c8fe1f8db5ff2c5f1c7f9d41d540ce
sha512 e97e148f254ff8eeb00fd5daedae523ea11509942f509270b7d79c3f2048e64b25da0628da132a78ee639a7ff320689a039eef6d938ab6801849290bbd969c7b
ripemd-160 0c45fc6ed6d9a28406829ea5796f38d12aa1a4f2

12821405 as geometric shapes

Circle

Radius = n
Diameter 25642810
Circumference 80559263.513399
Area 5.1644147200350E+14

Sphere

Radius = n
Volume 8.8286736951375E+21
Surface area 2.065765888014E+15
Circumference 80559263.513399

Square

Length = n
Perimeter 51285620
Area 164388426174025
Diagonal 18132204.839678

Cube

Length = n
Surface area 986330557044150
Volume 2.1076905892898E+21
Space diagonal 22207324.884418

Equilateral Triangle

Length = n
Perimeter 38464215
Area 71182276577424
Altitude 11103662.442209

Triangular Pyramid

Length = n
Surface area 71182276577424
Volume 2.4839371805498E+20
Height 6044068.2798927