12756821 (number)

12756821 is an odd 8-digits composite number following 12756820 and preceding 12756822. In scientific notation, it is written as 1.2756821 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 9940320 positive integers (up to 12756821) that are relatively prime to 12756821.

Interesting facts

Basic properties

Name

Name twelve million seven hundred fifty-six thousand eight hundred twenty-one

Notation

Scientific notation 1.2756821 × 10^7
Engineering notation 1.2756821 × 10^6

Prime Factorization of 12756821

Prime Factorization 77 × 165673

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12756821
Product of the distinct prime numbers

The prime factorization of 12756821 is 77 × 165673. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12756821)

Multiplication

n×y
n×2 25513642
n×3 38270463
n×4 51027284
n×5 63784105

Division

n÷y
n÷2 6378410.5
n÷3 4252273.6666667
n÷3 3189205.25
n÷5 2551364.2

Exponentiation

ny
n2 162736482026041
n3 2.0760001713759E+21
n4 2.6483162582212E+28
n5 3.3784096457518E+35

Nth Root

y√n
2√n 3571.6692176068
3√n 233.65808906179
4√n 59.763443823183
5√n 26.372329444534

Divisors of 12756821

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 -12756820
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 12756821 can be divided by 4 positive divisors. The sum of these divisors (counting 12756821) is 1, the average is 0.25.

Base conversion 12756821

Base System Value
2 Binary 110000101010011101010101
3 Ternary 220000010001212
4 Quaternary 300222131111
5 Quinary 11231204241
6 Senary 1133231205
8 Octal 60523525
10 Decimal 12756821
12 Duodecimal 4332505
16 Hexadecimal c2a755
20 Vigesimal 3jec11
36 Base36 7lf85

Cryptographic Hash Functions

md5 84c42c618e6cee6c5ac78100457d2bdf
sha1 03c7ebbad75aece9b1aa600f972812367ecd3143
sha256 86927e125c9746f294b3dce24057e608f6691e07f69abd3f1b5b81b69656c3c0
sha512 8efe7961a079ef5ea1fc96f2fa705c8b37a4f1291cc28d9864083d31387626121f99f0da830ef374fcd2a709db0ffd7b862d1d332f701320422c392716a9b8ed
ripemd-160 4e6239d1bb6cb8d24e926ad599e7c0101e607769

12756821 as geometric shapes

Circle

Radius = n
Diameter 25513642
Circumference 80153470.27352
Area 5.1125173640406E+14

Sphere

Radius = n
Volume 8.6959291829943E+21
Surface area 2.0450069456162E+15
Circumference 80153470.27352

Square

Length = n
Perimeter 51027284
Area 162736482026041
Diagonal 18040869.270966

Cube

Length = n
Surface area 976418892156246
Volume 2.0760001713759E+21
Space diagonal 22095462.115062

Equilateral Triangle

Length = n
Perimeter 38270463
Area 70466963778531
Altitude 11047731.057531

Triangular Pyramid

Length = n
Surface area 70466963778531
Volume 2.4465896648739E+20
Height 6013623.090322