21431471 (number)

21431471 is an odd 8-digits composite number following 21431470 and preceding 21431472. In scientific notation, it is written as 2.1431471 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 21005568 positive integers (up to 21431471) that are relatively prime to 21431471.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431471 × 10^7
Engineering notation 2.1431471 × 10^6

Prime Factorization of 21431471

Prime Factorization 10573 × 2027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21431471
Product of the distinct prime numbers

The prime factorization of 21431471 is 10573 × 2027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431471)

Multiplication

n×y
n×2 42862942
n×3 64294413
n×4 85725884
n×5 107157355

Division

n÷y
n÷2 10715735.5
n÷3 7143823.6666667
n÷3 5357867.75
n÷5 4286294.2

Exponentiation

ny
n2 459307949223841
n3 9.8436449938602E+21
n4 2.1096379222021E+29
n5 4.5212643950175E+36

Nth Root

y√n
2√n 4629.4136777782
3√n 277.76913963656
4√n 68.039794809936
5√n 29.255693415982

Divisors of 21431471

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 -21431470
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 21431471 can be divided by 4 positive divisors. The sum of these divisors (counting 21431471) is 1, the average is 0.25.

Base conversion 21431471

Base System Value
2 Binary 1010001110000010010101111
3 Ternary 1111022211110012
4 Quaternary 1101300102233
5 Quinary 20441301341
6 Senary 2043203435
8 Octal 121602257
10 Decimal 21431471
12 Duodecimal 721657b
16 Hexadecimal 14704af
20 Vigesimal 6diidb
36 Base36 crcmn

Cryptographic Hash Functions

md5 d9ffc289a46fc5cccdd820a36b286378
sha1 7e7c110b6465ec24eb179bfed203d139999c3354
sha256 6e4cd493df835b15f8e967bea4e5f2717e6f614591b86e16c702b98e7185a46a
sha512 44d811c852ef75c3cd0990319fbf0b24bc843da967eb4cea835b0587510561b064517205a3fc8e612fdd27c9f6e7f58dc58ad249cae1f66567cbc535e6469508
ripemd-160 ca2bd8c1416e62550e17e9054378a0dea5308c94

21431471 as geometric shapes

Circle

Radius = n
Diameter 42862942
Circumference 134657903.69845
Area 1.442958479017E+15

Sphere

Radius = n
Volume 4.1232963729676E+22
Surface area 5.771833916068E+15
Circumference 134657903.69845

Square

Length = n
Perimeter 85725884
Area 459307949223841
Diagonal 30308676.949806

Cube

Length = n
Surface area 2755847695343046
Volume 9.8436449938602E+21
Space diagonal 37120396.652939

Equilateral Triangle

Length = n
Perimeter 64294413
Area 1.9888617609399E+14
Altitude 18560198.326469

Triangular Pyramid

Length = n
Surface area 1.9888617609399E+14
Volume 1.1600846877919E+21
Height 10102892.316602