12821979 (number)

12821979 is an odd 8-digits composite number following 12821978 and preceding 12821980. In scientific notation, it is written as 1.2821979 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 8098056 positive integers (up to 12821979) that are relatively prime to 12821979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821979 × 10^7
Engineering notation 1.2821979 × 10^6

Prime Factorization of 12821979

Prime Factorization 3 × 19 × 224947

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12821979
Product of the distinct prime numbers

The prime factorization of 12821979 is 3 × 19 × 224947. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821979)

Multiplication

n×y
n×2 25643958
n×3 38465937
n×4 51287916
n×5 64109895

Division

n÷y
n÷2 6410989.5
n÷3 4273993
n÷3 3205494.75
n÷5 2564395.8

Exponentiation

ny
n2 164403145476441
n3 2.1079736788329E+21
n4 2.7028394242548E+28
n5 3.4655750338167E+35

Nth Root

y√n
2√n 3580.7791051669
3√n 234.05523204961
4√n 59.839611505815
5√n 26.399214954644

Divisors of 12821979

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 -12821978
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 12821979 can be divided by 8 positive divisors. The sum of these divisors (counting 12821979) is 1, the average is 0.125.

Base conversion 12821979

Base System Value
2 Binary 110000111010010111011011
3 Ternary 220010102110010
4 Quaternary 300322113123
5 Quinary 11240300404
6 Senary 1134453003
8 Octal 60722733
10 Decimal 12821979
12 Duodecimal 4364163
16 Hexadecimal c3a5db
20 Vigesimal 402eij
36 Base36 7mti3

Cryptographic Hash Functions

md5 339c43f1cfe1f55bd3c98babd742208c
sha1 3e81d5cc87a13248ac8158680381531282f8ac94
sha256 211a532864cc7e947de8cf519ba928b03ff31e8b7918b7b69a3f27e6069444b8
sha512 bcff991cbb1e50ffe2d7925584c62b1d11c580d7e180ace52f39cb0d1f6c422904c5daf795b3d754a5522437ac5d08cc0871b74df25875f959d8e250f6df918c
ripemd-160 801c3ac37c5533a88435be0c4ea11adbbcd80793

12821979 as geometric shapes

Circle

Radius = n
Diameter 25643958
Circumference 80562870.061765
Area 5.1648771405584E+14

Sphere

Radius = n
Volume 8.8298594978427E+21
Surface area 2.0659508562234E+15
Circumference 80562870.061765

Square

Length = n
Perimeter 51287916
Area 164403145476441
Diagonal 18133016.598263

Cube

Length = n
Surface area 986418872858646
Volume 2.1079736788329E+21
Space diagonal 22208319.081581

Equilateral Triangle

Length = n
Perimeter 38465937
Area 71188650222333
Altitude 11104159.540791

Triangular Pyramid

Length = n
Surface area 71188650222333
Volume 2.4842708047758E+20
Height 6044338.8660877