21052281 (number)

21052281 is an odd 8-digits composite number following 21052280 and preceding 21052282. In scientific notation, it is written as 2.1052281 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13837040 positive integers (up to 21052281) that are relatively prime to 21052281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1052281 × 10^7
Engineering notation 2.1052281 × 10^6

Prime Factorization of 21052281

Prime Factorization 213 × 98837

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21052281
Product of the distinct prime numbers

The prime factorization of 21052281 is 213 × 98837. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21052281)

Multiplication

n×y
n×2 42104562
n×3 63156843
n×4 84209124
n×5 105261405

Division

n÷y
n÷2 10526140.5
n÷3 7017427
n÷3 5263070.25
n÷5 4210456.2

Exponentiation

ny
n2 443198535302961
n3 9.3303401039864E+21
n4 1.9642494169469E+29
n5 4.1351930679652E+36

Nth Root

y√n
2√n 4588.2764737971
3√n 276.12117919703
4√n 67.736817712357
5√n 29.151427856099

Divisors of 21052281

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 -21052280
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 21052281 can be divided by 4 positive divisors. The sum of these divisors (counting 21052281) is 1, the average is 0.25.

Base conversion 21052281

Base System Value
2 Binary 1010000010011101101111001
3 Ternary 1110121120022010
4 Quaternary 1100103231321
5 Quinary 20342133111
6 Senary 2031120133
8 Octal 120235571
10 Decimal 21052281
12 Duodecimal 7073049
16 Hexadecimal 1413b79
20 Vigesimal 6bbae1
36 Base36 cj81l

Cryptographic Hash Functions

md5 b474d7948eecb9d9698a8a63cf357780
sha1 3575ac44d0ffb3252685f5cdf854d54d312084a8
sha256 567d5478759eb3be6aad1bf9778739ebf155270ceff6e7f3c86489a3b7e3ecc5
sha512 c4648a61c487637010088b10e1c0dd4cd19efd11849e7f7555dda5d05b62e9f953f53430200e74653a5c1a653ee9885c9486750f088c3b51f066d4b641d4ff1c
ripemd-160 ee0d9a8a83d39018a47924bfe4af343a1a0d3f3b

21052281 as geometric shapes

Circle

Radius = n
Diameter 42104562
Circumference 132275382.66182
Area 1.3923492625895E+15

Sphere

Radius = n
Volume 3.9082837234904E+22
Surface area 5.5693970503582E+15
Circumference 132275382.66182

Square

Length = n
Perimeter 84209124
Area 443198535302961
Diagonal 29772421.309089

Cube

Length = n
Surface area 2659191211817766
Volume 9.3303401039864E+21
Space diagonal 36463620.307217

Equilateral Triangle

Length = n
Perimeter 63156843
Area 1.9191059524621E+14
Altitude 18231810.153608

Triangular Pyramid

Length = n
Surface area 1.9191059524621E+14
Volume 1.0995911263843E+21
Height 9924140.4363631