21491662 (number)

21491662 is an even 8-digits composite number following 21491661 and preceding 21491663. In scientific notation, it is written as 2.1491662 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 10717392 positive integers (up to 21491662) that are relatively prime to 21491662.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand six hundred sixty-two

Notation

Scientific notation 2.1491662 × 10^7
Engineering notation 2.1491662 × 10^6

Prime Factorization of 21491662

Prime Factorization 2 × 383 × 28057

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491662
Product of the distinct prime numbers

The prime factorization of 21491662 is 2 × 383 × 28057. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491662)

Multiplication

n×y
n×2 42983324
n×3 64474986
n×4 85966648
n×5 107458310

Division

n÷y
n÷2 10745831
n÷3 7163887.3333333
n÷3 5372915.5
n÷5 4298332.4

Exponentiation

ny
n2 461891535522244
n3 9.9268167621051E+21
n4 2.133437905871E+29
n5 4.5851126370967E+36

Nth Root

y√n
2√n 4635.9100508962
3√n 278.02893786374
4√n 68.087517585062
5√n 29.27210810369

Divisors of 21491662

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 -21491661
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 21491662 can be divided by 8 positive divisors. The sum of these divisors (counting 21491662) is 1, the average is 0.125.

Base conversion 21491662

Base System Value
2 Binary 1010001111110111111001110
3 Ternary 1111102220000111
4 Quaternary 1101332333032
5 Quinary 21000213122
6 Senary 2044350234
8 Octal 121767716
10 Decimal 21491662
12 Duodecimal 724537a
16 Hexadecimal 147efce
20 Vigesimal 6e6932
36 Base36 csn2m

Cryptographic Hash Functions

md5 78f0ebd2df664b90d348fafd55214b79
sha1 e242bf542d7d5ab081615ce902b2d25121ac0af8
sha256 28ba4dc26995031c049059af1f4d78277b40efacd086754e13277e01772d64bc
sha512 04facdb9097aa22b8c75aa9574fce419729dadd786a5039a23a918aab920e20caf01cb056b75867bcb547c94cdbb8cb87311f3e9e77fe9daabc11d39d48ec33b
ripemd-160 77772c39c317ef577f24f7b4fff9f399cab55476

21491662 as geometric shapes

Circle

Radius = n
Diameter 42983324
Circumference 135036094.90527
Area 1.451075054752E+15

Sphere

Radius = n
Volume 4.1581352817815E+22
Surface area 5.804300219008E+15
Circumference 135036094.90527

Square

Length = n
Perimeter 85966648
Area 461891535522244
Diagonal 30393799.878338

Cube

Length = n
Surface area 2771349213133464
Volume 9.9268167621051E+21
Space diagonal 37224650.523097

Equilateral Triangle

Length = n
Perimeter 64474986
Area 2.0000490177763E+14
Altitude 18612325.261549

Triangular Pyramid

Length = n
Surface area 2.0000490177763E+14
Volume 1.1698865746801E+21
Height 10131266.626113