12821805 (number)

12821805 is an odd 8-digits composite number following 12821804 and preceding 12821806. In scientific notation, it is written as 1.2821805 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 6812640 positive integers (up to 12821805) that are relatively prime to 12821805.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821805 × 10^7
Engineering notation 1.2821805 × 10^6

Prime Factorization of 12821805

Prime Factorization 9 × 5 × 571 × 499

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12821805
Product of the distinct prime numbers

The prime factorization of 12821805 is 9 × 5 × 571 × 499. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 55, 72, 671, 667, 8300, 1127, 69221, 8334, 580762, 874775, 62187, 1101271, 40653642, 73018938, 672825441, 502180218, 4925930327, 7699262045

Basic calculations (n = 12821805)

Multiplication

n×y
n×2 25643610
n×3 38465415
n×4 51287220
n×5 64109025

Division

n÷y
n÷2 6410902.5
n÷3 4273935
n÷3 3205451.25
n÷5 2564361

Exponentiation

ny
n2 164398683458025
n3 2.1078878615555E+21
n4 2.7026927122732E+28
n5 3.4653398931688E+35

Nth Root

y√n
2√n 3580.7548086961
3√n 234.05417330003
4√n 59.839408492197
5√n 26.39914330442

Divisors of 12821805

1, 5, 9, 45, 499, 571, 2495, 2855, 4491, 5139, 22455, 25695, 284929, 1424645, 2564361, 12821805

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 -12821804
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 12821805 can be divided by 16 positive divisors. The sum of these divisors (counting 12821805) is 1, the average is 0.0625.

Base conversion 12821805

Base System Value
2 Binary 110000111010010100101101
3 Ternary 220010102012200
4 Quaternary 300322110231
5 Quinary 11240244210
6 Senary 1134452113
8 Octal 60722455
10 Decimal 12821805
12 Duodecimal 4364039
16 Hexadecimal c3a52d
20 Vigesimal 402ea5
36 Base36 7mtd9

Cryptographic Hash Functions

md5 db2e3b38499cbe7c91209c79768fbf7f
sha1 0a7af635be8f2e78ef9bfeedd6bc252f2c1e8aa0
sha256 841b02bb8bfde0fa2d4e5769c0c4dddcb489232c882e21d08960b6d1cd683555
sha512 c9567ae604484224cd12e016144ff7212c4431262254eee9cb4c7ad1e08f4ea70f48550c166a84c1de8b2327a500c658dbb4ac19fc207e4f00308e41b854fa69
ripemd-160 19d59b5aefebbdb81751c90bd68089974561e6e9

12821805 as geometric shapes

Circle

Radius = n
Diameter 25643610
Circumference 80561776.787522
Area 5.1647369621157E+14

Sphere

Radius = n
Volume 8.8295000272719E+21
Surface area 2.0658947848463E+15
Circumference 80561776.787522

Square

Length = n
Perimeter 51287220
Area 164398683458025
Diagonal 18132770.525103

Cube

Length = n
Surface area 986392100748150
Volume 2.1078878615555E+21
Space diagonal 22208017.704741

Equilateral Triangle

Length = n
Perimeter 38465415
Area 71186718111683
Altitude 11104008.85237

Triangular Pyramid

Length = n
Surface area 71186718111683
Volume 2.4841696681445E+20
Height 6044256.8417011