21131471 (number)

21131471 is an odd 8-digits composite number following 21131470 and preceding 21131472. In scientific notation, it is written as 2.1131471 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 20666880 positive integers (up to 21131471) that are relatively prime to 21131471.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131471 × 10^7
Engineering notation 2.1131471 × 10^6

Prime Factorization of 21131471

Prime Factorization 53 × 691 × 577

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21131471
Product of the distinct prime numbers

The prime factorization of 21131471 is 53 × 691 × 577. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131471)

Multiplication

n×y
n×2 42262942
n×3 63394413
n×4 84525884
n×5 105657355

Division

n÷y
n÷2 10565735.5
n÷3 7043823.6666667
n÷3 5282867.75
n÷5 4226294.2

Exponentiation

ny
n2 446539066623841
n3 9.4360273367288E+21
n4 1.9939713802129E+29
n5 4.2135548395799E+36

Nth Root

y√n
2√n 4596.8979758093
3√n 276.46696399708
4√n 67.800427548868
5√n 29.173326062173

Divisors of 21131471

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 -21131470
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 21131471 can be divided by 8 positive divisors. The sum of these divisors (counting 21131471) is 1, the average is 0.125.

Base conversion 21131471

Base System Value
2 Binary 1010000100111000011001111
3 Ternary 1110202120221002
4 Quaternary 1100213003033
5 Quinary 20402201341
6 Senary 2032530515
8 Octal 120470317
10 Decimal 21131471
12 Duodecimal 70b0a3b
16 Hexadecimal 14270cf
20 Vigesimal 6c18db
36 Base36 ckx5b

Cryptographic Hash Functions

md5 00d0dd81477f87183ae176efe5ca70ca
sha1 588f8cf4d699c7afbaad2a359cdf46cf49c45839
sha256 54bce5cafa42472a01e4082c66a33cd537f3a63c65385832d35e961c96368cfc
sha512 a6632ef3a5e502411564adeac7dec2f4abf9d367b1b65232b6e5fdd7efb4f515b2ac8d882817f4ee0d897b54a23fb2593f3eb507d94ea4d7f97cda1e528a5d5a
ripemd-160 852d0e049ed1cee7c2bba1cdcab159d2f3a0e5b2

21131471 as geometric shapes

Circle

Radius = n
Diameter 42262942
Circumference 132772948.10629
Area 1.4028438512463E+15

Sphere

Radius = n
Volume 3.9525538880186E+22
Surface area 5.6113754049852E+15
Circumference 132772948.10629

Square

Length = n
Perimeter 84525884
Area 446539066623841
Diagonal 29884412.881094

Cube

Length = n
Surface area 2679234399743046
Volume 9.4360273367288E+21
Space diagonal 36600781.410668

Equilateral Triangle

Length = n
Perimeter 63394413
Area 1.9335708773922E+14
Altitude 18300390.705334

Triangular Pyramid

Length = n
Surface area 1.9335708773922E+14
Volume 1.1120464862104E+21
Height 9961470.9603646