21031271 (number)

21031271 is an odd 8-digits composite number following 21031270 and preceding 21031272. In scientific notation, it is written as 2.1031271 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 19924344 positive integers (up to 21031271) that are relatively prime to 21031271.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand two hundred seventy-one

Notation

Scientific notation 2.1031271 × 10^7
Engineering notation 2.1031271 × 10^6

Prime Factorization of 21031271

Prime Factorization 19 × 1106909

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031271
Product of the distinct prime numbers

The prime factorization of 21031271 is 19 × 1106909. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031271)

Multiplication

n×y
n×2 42062542
n×3 63093813
n×4 84125084
n×5 105156355

Division

n÷y
n÷2 10515635.5
n÷3 7010423.6666667
n÷3 5257817.75
n÷5 4206254.2

Exponentiation

ny
n2 442314359875441
n3 9.3024331697319E+21
n4 1.9564199295202E+29
n5 4.114599772754E+36

Nth Root

y√n
2√n 4585.9863715454
3√n 276.02929308216
4√n 67.719911189733
5√n 29.145606955814

Divisors of 21031271

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 -21031270
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 21031271 can be divided by 4 positive divisors. The sum of these divisors (counting 21031271) is 1, the average is 0.25.

Base conversion 21031271

Base System Value
2 Binary 1010000001110100101100111
3 Ternary 1110120111110222
4 Quaternary 1100032211213
5 Quinary 20341000041
6 Senary 2030434555
8 Octal 120164547
10 Decimal 21031271
12 Duodecimal 7062a5b
16 Hexadecimal 140e967
20 Vigesimal 6b8i3b
36 Base36 cirtz

Cryptographic Hash Functions

md5 e13f3010cd886688a8cd5c254353b7f6
sha1 e862c0fb4605877dea5410a65dd96ef834bab1ff
sha256 7634ae6136af2a19e4f3a4517e8ea670116bde64ec13f3346d919d8ef1d570d0
sha512 95b56ec49da8c01d834ddf05b49acb74179fa4b33489918a62bfa90cb0f145ed5c0773a9fbb37b5cdb7054173c59ceefa2d152e0a97e9b12a39a79618a15c63d
ripemd-160 cc47319061c3c962eccebdf6182704aac401b752

21031271 as geometric shapes

Circle

Radius = n
Diameter 42062542
Circumference 132143372.93851
Area 1.389571543562E+15

Sphere

Radius = n
Volume 3.8965940942053E+22
Surface area 5.5582861742478E+15
Circumference 132143372.93851

Square

Length = n
Perimeter 84125084
Area 442314359875441
Diagonal 29742708.682144

Cube

Length = n
Surface area 2653886159252646
Volume 9.3024331697319E+21
Space diagonal 36427229.91975

Equilateral Triangle

Length = n
Perimeter 63093813
Area 1.9152773605539E+14
Altitude 18213614.959875

Triangular Pyramid

Length = n
Surface area 1.9152773605539E+14
Volume 1.096302262642E+21
Height 9914236.2273813