21491362 (number)

21491362 is an even 8-digits composite number following 21491361 and preceding 21491363. In scientific notation, it is written as 2.1491362 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 10641252 positive integers (up to 21491362) that are relatively prime to 21491362.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491362 × 10^7
Engineering notation 2.1491362 × 10^6

Prime Factorization of 21491362

Prime Factorization 2 × 103 × 104327

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491362
Product of the distinct prime numbers

The prime factorization of 21491362 is 2 × 103 × 104327. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491362)

Multiplication

n×y
n×2 42982724
n×3 64474086
n×4 85965448
n×5 107456810

Division

n÷y
n÷2 10745681
n÷3 7163787.3333333
n÷3 5372840.5
n÷5 4298272.4

Exponentiation

ny
n2 461878640615044
n3 9.9264010655258E+21
n4 2.133318786564E+29
n5 4.5847926303448E+36

Nth Root

y√n
2√n 4635.8776946766
3√n 278.02764419817
4√n 68.087279977075
5√n 29.272026381937

Divisors of 21491362

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 -21491361
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 21491362 can be divided by 8 positive divisors. The sum of these divisors (counting 21491362) is 1, the average is 0.125.

Base conversion 21491362

Base System Value
2 Binary 1010001111110111010100010
3 Ternary 1111102212121101
4 Quaternary 1101332322202
5 Quinary 21000210422
6 Senary 2044345014
8 Octal 121767242
10 Decimal 21491362
12 Duodecimal 724516a
16 Hexadecimal 147eea2
20 Vigesimal 6e6882
36 Base36 csmua

Cryptographic Hash Functions

md5 6af0b3c3419a3b39739cbfc044a2203d
sha1 c08e77ea0f0fe183422ccefe43a47b4943a890ce
sha256 8cdeb37f29c81c4092b35462b17fb415039c424956f1804e3cc39b2c3dfdf376
sha512 827de9e1a970a426bc3094a4f2ca4f8b9f4ffca1df8d192c667f1f47fbe645f3688b1a11ddb9335c578a56c72f7e4297a686d899f8e90692d3374a35cb3b3368
ripemd-160 445a09d1e75edb0f2aa98ef944ba2497efdf9544

21491362 as geometric shapes

Circle

Radius = n
Diameter 42982724
Circumference 135034209.94968
Area 1.4510345442063E+15

Sphere

Radius = n
Volume 4.1579611552056E+22
Surface area 5.804138176825E+15
Circumference 135034209.94968

Square

Length = n
Perimeter 85965448
Area 461878640615044
Diagonal 30393375.61427

Cube

Length = n
Surface area 2771271843690264
Volume 9.9264010655258E+21
Space diagonal 37224130.907855

Equilateral Triangle

Length = n
Perimeter 64474086
Area 1.9999931811903E+14
Altitude 18612065.453928

Triangular Pyramid

Length = n
Surface area 1.9999931811903E+14
Volume 1.1698375843684E+21
Height 10131125.204757