21936491 (number)

21936491 is an odd 8-digits composite number following 21936490 and preceding 21936492. In scientific notation, it is written as 2.1936491 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 21905832 positive integers (up to 21936491) that are relatively prime to 21936491.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-six thousand four hundred ninety-one

Notation

Scientific notation 2.1936491 × 10^7
Engineering notation 2.1936491 × 10^6

Prime Factorization of 21936491

Prime Factorization 733 × 29927

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21936491
Product of the distinct prime numbers

The prime factorization of 21936491 is 733 × 29927. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21936491)

Multiplication

n×y
n×2 43872982
n×3 65809473
n×4 87745964
n×5 109682455

Division

n÷y
n÷2 10968245.5
n÷3 7312163.6666667
n÷3 5484122.75
n÷5 4387298.2

Exponentiation

ny
n2 481209637393081
n3 1.0556050879787E+22
n4 2.3156271511998E+29
n5 5.079673416165E+36

Nth Root

y√n
2√n 4683.6407846888
3√n 279.93404483936
4√n 68.43713016111
5√n 29.392290520586

Divisors of 21936491

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21936490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21936491 can be divided by 4 positive divisors. The sum of these divisors (counting 21936491) is 1, the average is 0.25.

Base conversion 21936491

Base System Value
2 Binary 1010011101011100101101011
3 Ternary 1112021111012122
4 Quaternary 1103223211223
5 Quinary 21103431431
6 Senary 2102101455
8 Octal 123534553
10 Decimal 21936491
12 Duodecimal 741a88b
16 Hexadecimal 14eb96b
20 Vigesimal 6h214b
36 Base36 d26az

Cryptographic Hash Functions

md5 e7aa20429d4fd0e2dd0b157ccd53b09d
sha1 452d12d03c81256738d1bca3745f0f11c2370d57
sha256 baeac6f3e3d8c4ac440baf0b7aea329e420f25272722534dd75ec6322b14f1bc
sha512 cc4b7fdef1b5d3508e2326c8d97b330129cba8f5693f3cad671f409c9ed6e9612a7f80416df6bfb006eb25a9e76bc7d96c05d42e4554451f9d73776cb3d23872
ripemd-160 07dbed4faa5bdd9838355fff57b11fef9e1818ab

21936491 as geometric shapes

Circle

Radius = n
Diameter 43872982
Circumference 137831037.94228
Area 1.5117646616707E+15

Sphere

Radius = n
Volume 4.4217082526477E+22
Surface area 6.0470586466828E+15
Circumference 137831037.94228

Square

Length = n
Perimeter 87745964
Area 481209637393081
Diagonal 31022883.083075

Cube

Length = n
Surface area 2887257824358486
Volume 1.0556050879787E+22
Space diagonal 37995116.951777

Equilateral Triangle

Length = n
Perimeter 65809473
Area 2.0836988526415E+14
Altitude 18997558.475889

Triangular Pyramid

Length = n
Surface area 2.0836988526415E+14
Volume 1.2440425266079E+21
Height 10340961.027692