21131271 (number)

21131271 is an odd 8-digits composite number following 21131270 and preceding 21131272. In scientific notation, it is written as 2.1131271 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 12074976 positive integers (up to 21131271) that are relatively prime to 21131271.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131271 × 10^7
Engineering notation 2.1131271 × 10^6

Prime Factorization of 21131271

Prime Factorization 9 × 7 × 335417

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21131271
Product of the distinct prime numbers

The prime factorization of 21131271 is 9 × 7 × 335417. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131271)

Multiplication

n×y
n×2 42262542
n×3 63393813
n×4 84525084
n×5 105656355

Division

n÷y
n÷2 10565635.5
n÷3 7043757
n÷3 5282817.75
n÷5 4226254.2

Exponentiation

ny
n2 446530614075441
n3 9.4357594158246E+21
n4 1.9938958930659E+29
n5 4.2133554462163E+36

Nth Root

y√n
2√n 4596.8762219577
3√n 276.46609178194
4√n 67.800267123056
5√n 29.173270839446

Divisors of 21131271

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 -21131270
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 21131271 can be divided by 8 positive divisors. The sum of these divisors (counting 21131271) is 1, the average is 0.125.

Base conversion 21131271

Base System Value
2 Binary 1010000100111000000000111
3 Ternary 1110202120122200
4 Quaternary 1100213000013
5 Quinary 20402200041
6 Senary 2032525543
8 Octal 120470007
10 Decimal 21131271
12 Duodecimal 70b08b3
16 Hexadecimal 1427007
20 Vigesimal 6c183b
36 Base36 ckwzr

Cryptographic Hash Functions

md5 851cb5c198fb0068a7c18413cb5345f6
sha1 729e2487be989079e7afacceb770e10b6eb2dc9d
sha256 453efe1814cad4d53b771f3a6580bc9e152992d45b56a2884aa2f2254d594675
sha512 40f6e65283c9633380a706a3500dfba8fab2312b812d516dc49ba0433fb99e66639782146eb3e26ef76b81296ccaa09b13352c25e1b8fe72d3ec7ce64030f059
ripemd-160 789a96f6a4cbf1a59a2e141c0b4939a31bd657e7

21131271 as geometric shapes

Circle

Radius = n
Diameter 42262542
Circumference 132771691.46923
Area 1.4028172967823E+15

Sphere

Radius = n
Volume 3.9524416615727E+22
Surface area 5.6112691871294E+15
Circumference 132771691.46923

Square

Length = n
Perimeter 84525084
Area 446530614075441
Diagonal 29884130.038381

Cube

Length = n
Surface area 2679183684452646
Volume 9.4357594158246E+21
Space diagonal 36600435.000507

Equilateral Triangle

Length = n
Perimeter 63393813
Area 1.933534276784E+14
Altitude 18300217.500253

Triangular Pyramid

Length = n
Surface area 1.933534276784E+14
Volume 1.1120149114291E+21
Height 9961376.6794604