21131493 (number)

21131493 is an odd 8-digits composite number following 21131492 and preceding 21131494. In scientific notation, it is written as 2.1131493 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13211136 positive integers (up to 21131493) that are relatively prime to 21131493.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand four hundred ninety-three

Notation

Scientific notation 2.1131493 × 10^7
Engineering notation 2.1131493 × 10^6

Prime Factorization of 21131493

Prime Factorization 51 × 367 × 1129

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21131493
Product of the distinct prime numbers

The prime factorization of 21131493 is 51 × 367 × 1129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131493)

Multiplication

n×y
n×2 42262986
n×3 63394479
n×4 84525972
n×5 105657465

Division

n÷y
n÷2 10565746.5
n÷3 7043831
n÷3 5282873.25
n÷5 4226298.6

Exponentiation

ny
n2 446539996409049
n3 9.4360568083378E+21
n4 1.9939796839299E+29
n5 4.2135767733108E+36

Nth Root

y√n
2√n 4596.9003687267
3√n 276.46705994042
4√n 67.800445195638
5√n 29.173332136648

Divisors of 21131493

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 -21131492
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 21131493 can be divided by 8 positive divisors. The sum of these divisors (counting 21131493) is 1, the average is 0.125.

Base conversion 21131493

Base System Value
2 Binary 1010000100111000011100101
3 Ternary 1110202120221220
4 Quaternary 1100213003211
5 Quinary 20402201433
6 Senary 2032530553
8 Octal 120470345
10 Decimal 21131493
12 Duodecimal 70b0a59
16 Hexadecimal 14270e5
20 Vigesimal 6c18ed
36 Base36 ckx5x

Cryptographic Hash Functions

md5 57c022cb544ccf4fb7ca8628e905d976
sha1 9be27697d0c523cdf5194808b32726b820778332
sha256 e6c7902e352df18c322d924b514972df7433b552ab644cd1ae872bcc7456388b
sha512 a641a888a91811d2cf28ba312cf6d69d77bc1d55dc01b3dbc57f2e5b4c74a590b9892d3f746f270173ea8579da3fbbbe9741c33a221ddbe497d3423236262af3
ripemd-160 ea812efb82485da8bae9817beee6e3bd0ffe2b62

21131493 as geometric shapes

Circle

Radius = n
Diameter 42262986
Circumference 132773086.33637
Area 1.4028467722527E+15

Sphere

Radius = n
Volume 3.9525662330573E+22
Surface area 5.6113870890107E+15
Circumference 132773086.33637

Square

Length = n
Perimeter 84525972
Area 446539996409049
Diagonal 29884443.993792

Cube

Length = n
Surface area 2679239978454294
Volume 9.4360568083378E+21
Space diagonal 36600819.515786

Equilateral Triangle

Length = n
Perimeter 63394479
Area 1.9335749034802E+14
Altitude 18300409.757893

Triangular Pyramid

Length = n
Surface area 1.9335749034802E+14
Volume 1.1120499594729E+21
Height 9961481.331264