21031980 (number)

21031980 is an even 8-digits composite number following 21031979 and preceding 21031981. In scientific notation, it is written as 2.1031980 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 5572288 positive integers (up to 21031980) that are relatively prime to 21031980.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand nine hundred eighty

Notation

Scientific notation 2.1031980 × 10^7
Engineering notation 2.1031980 × 10^6

Prime Factorization of 21031980

Prime Factorization 2 × 2 × 3 × 5 × 167 × 2099

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10515990
Product of the distinct prime numbers

The prime factorization of 21031980 is 2 × 2 × 3 × 5 × 167 × 2099. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031980)

Multiplication

n×y
n×2 42063960
n×3 63095940
n×4 84127920
n×5 105159900

Division

n÷y
n÷2 10515990
n÷3 7010660
n÷3 5257995
n÷5 4206396

Exponentiation

ny
n2 442344182720400
n3 9.3033740040918E+21
n4 1.9566837598658E+29
n5 4.1152933703822E+36

Nth Root

y√n
2√n 4586.0636716034
3√n 276.03239485333
4√n 67.720481920933
5√n 29.145803462784

Divisors of 21031980

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031980 can be divided by 48 positive divisors. The sum of these divisors (counting 21031980) is 1, the average is 0.020833333333333.

Base conversion 21031980

Base System Value
2 Binary 1010000001110110000101100
3 Ternary 1110120112110020
4 Quaternary 1100032300230
5 Quinary 20341010410
6 Senary 2030442140
8 Octal 120166054
10 Decimal 21031980
12 Duodecimal 7063350
16 Hexadecimal 140ec2c
20 Vigesimal 6b8jj0
36 Base36 cisdo

Cryptographic Hash Functions

md5 354a5f90d11811061bcd9ca998e53508
sha1 08e3fb2d24e82eb7a79016f3b28d11c9d22682f5
sha256 915d6c3d2681d7ff0d8b90fedc1dd71cb6baaad8449c06b38f4f2ff2e141ec51
sha512 e484e89f9e363257459ea89d6654530198f3d656a9d3991bae1a451d8dcbe94d412b08c01567e4be7f1947d2bea764d4ea6a42c4c8e35405fb43b9e879bb81c3
ripemd-160 a04870b899f4752152512cd1111243e036b83792

21031980 as geometric shapes

Circle

Radius = n
Diameter 42063960
Circumference 132147827.71689
Area 1.3896652347926E+15

Sphere

Radius = n
Volume 3.8969881899804E+22
Surface area 5.5586609391704E+15
Circumference 132147827.71689

Square

Length = n
Perimeter 84127920
Area 442344182720400
Diagonal 29743711.35956

Cube

Length = n
Surface area 2654065096322400
Volume 9.3033740040918E+21
Space diagonal 36428457.943772

Equilateral Triangle

Length = n
Perimeter 63095940
Area 1.9154064972607E+14
Altitude 18214228.971886

Triangular Pyramid

Length = n
Surface area 1.9154064972607E+14
Volume 1.0964131410347E+21
Height 9914570.4531866