21231486 (number)

21231486 is an even 8-digits composite number following 21231485 and preceding 21231487. In scientific notation, it is written as 2.1231486 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 7077156 positive integers (up to 21231486) that are relatively prime to 21231486.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand four hundred eighty-six

Notation

Scientific notation 2.1231486 × 10^7
Engineering notation 2.1231486 × 10^6

Prime Factorization of 21231486

Prime Factorization 2 × 9 × 1179527

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21231486
Product of the distinct prime numbers

The prime factorization of 21231486 is 2 × 9 × 1179527. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21231486)

Multiplication

n×y
n×2 42462972
n×3 63694458
n×4 84925944
n×5 106157430

Division

n÷y
n÷2 10615743
n÷3 7077162
n÷3 5307871.5
n÷5 4246297.2

Exponentiation

ny
n2 450775997768196
n3 9.5706442857515E+21
n4 2.0319900016391E+29
n5 4.3142167271941E+36

Nth Root

y√n
2√n 4607.7636658145
3√n 276.9024492826
4√n 67.880510205909
5√n 29.200889329609

Divisors of 21231486

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 -21231485
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 21231486 can be divided by 8 positive divisors. The sum of these divisors (counting 21231486) is 1, the average is 0.125.

Base conversion 21231486

Base System Value
2 Binary 1010000111111011101111110
3 Ternary 1110221200010100
4 Quaternary 1100333131332
5 Quinary 20413401421
6 Senary 2035021530
8 Octal 120773576
10 Decimal 21231486
12 Duodecimal 713a8a6
16 Hexadecimal 143f77e
20 Vigesimal 6cdie6
36 Base36 cn2bi

Cryptographic Hash Functions

md5 caab9e53fded562c8c1c6291974f0e50
sha1 eee30fd9ac5f69e37a19fdd7c5b4b53f4f21cfbe
sha256 f5ca8b3db5abab79d79c39bd0883bef38b59287929ac28a31fbab6bb02cf885f
sha512 4d2984380433350c82d6da6d4b13b77c0d5c187be51e84f543e17a2ae2314f23e8ff9858d834bf1aad93c355e2e98498482a4e852dd24cddb0d756efdf024011
ripemd-160 30442aaf31c3a92090c4f9a7cf6acf52c4ba5676

21231486 as geometric shapes

Circle

Radius = n
Diameter 42462972
Circumference 133401360.88479
Area 1.4161545630032E+15

Sphere

Radius = n
Volume 4.0089421037651E+22
Surface area 5.6646182520127E+15
Circumference 133401360.88479

Square

Length = n
Perimeter 84925944
Area 450775997768196
Diagonal 30025855.450534

Cube

Length = n
Surface area 2704655986609176
Volume 9.5706442857515E+21
Space diagonal 36774012.472187

Equilateral Triangle

Length = n
Perimeter 63694458
Area 1.9519173274177E+14
Altitude 18387006.236094

Triangular Pyramid

Length = n
Surface area 1.9519173274177E+14
Volume 1.1279112457965E+21
Height 10008618.483512