21073281 (number)

21073281 is an odd 8-digits composite number following 21073280 and preceding 21073282. In scientific notation, it is written as 2.1073281 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13990080 positive integers (up to 21073281) that are relatively prime to 21073281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1073281 × 10^7
Engineering notation 2.1073281 × 10^6

Prime Factorization of 21073281

Prime Factorization 3 × 241 × 29147

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21073281
Product of the distinct prime numbers

The prime factorization of 21073281 is 3 × 241 × 29147. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21073281)

Multiplication

n×y
n×2 42146562
n×3 63219843
n×4 84293124
n×5 105366405

Division

n÷y
n÷2 10536640.5
n÷3 7024427
n÷3 5268320.25
n÷5 4214656.2

Exponentiation

ny
n2 444083172104961
n3 9.3582894731392E+21
n4 1.972098637468E+29
n5 4.1558588747081E+36

Nth Root

y√n
2√n 4590.5643443917
3√n 276.21296050698
4√n 67.75370354742
5√n 29.157241343646

Divisors of 21073281

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 -21073280
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 21073281 can be divided by 8 positive divisors. The sum of these divisors (counting 21073281) is 1, the average is 0.125.

Base conversion 21073281

Base System Value
2 Binary 1010000011000110110000001
3 Ternary 1110122122002220
4 Quaternary 1100120312001
5 Quinary 20343321111
6 Senary 2031401253
8 Octal 120306601
10 Decimal 21073281
12 Duodecimal 7083229
16 Hexadecimal 1418d81
20 Vigesimal 6be341
36 Base36 cjo8x

Cryptographic Hash Functions

md5 4ba5397bfc762b992c05819662a6540d
sha1 b8aba94dfaea3c8ba30ad631e9ffdf0018cbea6f
sha256 e95dbdfda57459b85b03207ec829c38fe213aa38ef93a887f2ed1a773ba7223b
sha512 0cc31bce36ba6443d4ccb9f804148657ff7b5d75b5e1ac8be34c07fb9a95452f1fdcb6894ea3e438178e6e11235dd8256bb86239fc7fb3863ac3f96b2f8315d0
ripemd-160 f2e18b18b917ebbc94435bbf40648e87295db66d

21073281 as geometric shapes

Circle

Radius = n
Diameter 42146562
Circumference 132407329.55327
Area 1.3951284310678E+15

Sphere

Radius = n
Volume 3.9199911278641E+22
Surface area 5.5805137242712E+15
Circumference 132407329.55327

Square

Length = n
Perimeter 84293124
Area 444083172104961
Diagonal 29802119.793899

Cube

Length = n
Surface area 2664499032629766
Volume 9.3582894731392E+21
Space diagonal 36499993.374176

Equilateral Triangle

Length = n
Perimeter 63219843
Area 1.9229365421804E+14
Altitude 18249996.687088

Triangular Pyramid

Length = n
Surface area 1.9229365421804E+14
Volume 1.1028849911272E+21
Height 9934039.9312998