21028082 (number)

21028082 is an even 8-digits composite number following 21028081 and preceding 21028083. In scientific notation, it is written as 2.1028082 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 9684288 positive integers (up to 21028082) that are relatively prime to 21028082.

Interesting facts

Basic properties

Name

Name twenty-one million twenty-eight thousand eighty-two

Notation

Scientific notation 2.1028082 × 10^7
Engineering notation 2.1028082 × 10^6

Prime Factorization of 21028082

Prime Factorization 2 × 17 × 47 × 13159

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21028082
Product of the distinct prime numbers

The prime factorization of 21028082 is 2 × 17 × 47 × 13159. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21028082)

Multiplication

n×y
n×2 42056164
n×3 63084246
n×4 84112328
n×5 105140410

Division

n÷y
n÷2 10514041
n÷3 7009360.6666667
n÷3 5257020.5
n÷5 4205616.4

Exponentiation

ny
n2 442180232598724
n3 9.298202189865E+21
n4 1.9552335810106E+29
n5 4.1114812070645E+36

Nth Root

y√n
2√n 4585.6386687134
3√n 276.01534081222
4√n 67.717343928372
5√n 29.144723024658

Divisors of 21028082

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 -21028081
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 21028082 can be divided by 16 positive divisors. The sum of these divisors (counting 21028082) is 1, the average is 0.0625.

Base conversion 21028082

Base System Value
2 Binary 1010000001101110011110010
3 Ternary 1110120100002212
4 Quaternary 1100031303302
5 Quinary 20340344312
6 Senary 2030412122
8 Octal 120156362
10 Decimal 21028082
12 Duodecimal 7061042
16 Hexadecimal 140dcf2
20 Vigesimal 6b8a42
36 Base36 cipde

Cryptographic Hash Functions

md5 1bd26a5ae481f9dd0a60cc32bec00448
sha1 392c0bfe56561ec394461db61303d8d4f77b189e
sha256 93cc98fb1de46fd7df1b44edcfa1606bbb2112d3696d07c9b371a7cbc31b1f08
sha512 13435d2acaa233b71e469ee0ea5f3c33b7caa2469ba805e7bf8d64169a21a3c1412a219b6103d07053af454071e94d8f61054ef94a0558c73a966c5ed0e4cd62
ripemd-160 3c66d9dc83077a8f9383620364daccaac3d97c19

21028082 as geometric shapes

Circle

Radius = n
Diameter 42056164
Circumference 132123335.86057
Area 1.3891501702948E+15

Sphere

Radius = n
Volume 3.894821825503E+22
Surface area 5.5566006811791E+15
Circumference 132123335.86057

Square

Length = n
Perimeter 84112328
Area 442180232598724
Diagonal 29738198.755094

Cube

Length = n
Surface area 2653081395592344
Volume 9.298202189865E+21
Space diagonal 36421706.409725

Equilateral Triangle

Length = n
Perimeter 63084246
Area 1.914696572409E+14
Altitude 18210853.204862

Triangular Pyramid

Length = n
Surface area 1.914696572409E+14
Volume 1.0958036368829E+21
Height 9912732.9183645