21082281 (number)

21082281 is an odd 8-digits composite number following 21082280 and preceding 21082282. In scientific notation, it is written as 2.1082281 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 12777120 positive integers (up to 21082281) that are relatively prime to 21082281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1082281 × 10^7
Engineering notation 2.1082281 × 10^6

Prime Factorization of 21082281

Prime Factorization 3 × 11 × 638857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21082281
Product of the distinct prime numbers

The prime factorization of 21082281 is 3 × 11 × 638857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082281)

Multiplication

n×y
n×2 42164562
n×3 63246843
n×4 84329124
n×5 105411405

Division

n÷y
n÷2 10541140.5
n÷3 7027427
n÷3 5270570.25
n÷5 4216456.2

Exponentiation

ny
n2 444462572162961
n3 9.3702848403223E+21
n4 1.9754697805372E+29
n5 4.1647409020293E+36

Nth Root

y√n
2√n 4591.5445113818
3√n 276.25227668865
4√n 67.760936470667
5√n 29.15973141963

Divisors of 21082281

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 -21082280
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 21082281 can be divided by 8 positive divisors. The sum of these divisors (counting 21082281) is 1, the average is 0.125.

Base conversion 21082281

Base System Value
2 Binary 1010000011011000010101001
3 Ternary 1110200002110020
4 Quaternary 1100123002221
5 Quinary 20344113111
6 Senary 2031511053
8 Octal 120330251
10 Decimal 21082281
12 Duodecimal 7088489
16 Hexadecimal 141b0a9
20 Vigesimal 6bf5e1
36 Base36 cjv6x

Cryptographic Hash Functions

md5 d3fe08a1441735e3f288fff129c70b3a
sha1 dbea6e3e1bd7b27cb18fa8c3ed56a9b5a16cbbf9
sha256 bf17ffae321f6f640879d21bfb9b20db80b359487b572cf784407ac8c71e32b2
sha512 642c7bf0962d3518fa6c2013ece2176a8bef16553a3255ae5b32f560b32c75be75f7147dd9f24798b6bc46b24b8806c2fbec16dee682be40116df5dd5f18484b
ripemd-160 3eda420e1959e1b1c858edee5f146a087849f654

21082281 as geometric shapes

Circle

Radius = n
Diameter 42164562
Circumference 132463878.22103
Area 1.3963203515028E+15

Sphere

Radius = n
Volume 3.9250157355201E+22
Surface area 5.5852814060111E+15
Circumference 132463878.22103

Square

Length = n
Perimeter 84329124
Area 444462572162961
Diagonal 29814847.715961

Cube

Length = n
Surface area 2666775432977766
Volume 9.3702848403223E+21
Space diagonal 36515581.831444

Equilateral Triangle

Length = n
Perimeter 63246843
Area 1.9245793926225E+14
Altitude 18257790.915722

Triangular Pyramid

Length = n
Surface area 1.9245793926225E+14
Volume 1.1042986587069E+21
Height 9938282.5719869