21936481 (number)

21936481 is an odd 8-digits composite number following 21936480 and preceding 21936482. In scientific notation, it is written as 2.1936481 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 18802692 positive integers (up to 21936481) that are relatively prime to 21936481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1936481 × 10^7
Engineering notation 2.1936481 × 10^6

Prime Factorization of 21936481

Prime Factorization 7 × 3133783

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21936481
Product of the distinct prime numbers

The prime factorization of 21936481 is 7 × 3133783. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21936481)

Multiplication

n×y
n×2 43872962
n×3 65809443
n×4 87745924
n×5 109682405

Division

n÷y
n÷2 10968240.5
n÷3 7312160.3333333
n÷3 5484120.25
n÷5 4387296.2

Exponentiation

ny
n2 481209198663361
n3 1.0556036443504E+22
n4 2.3156229287823E+29
n5 5.0796618380398E+36

Nth Root

y√n
2√n 4683.6397171431
3√n 279.93400230231
4√n 68.437122361647
5√n 29.392287840823

Divisors of 21936481

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 -21936480
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 21936481 can be divided by 4 positive divisors. The sum of these divisors (counting 21936481) is 1, the average is 0.25.

Base conversion 21936481

Base System Value
2 Binary 1010011101011100101100001
3 Ternary 1112021111012021
4 Quaternary 1103223211201
5 Quinary 21103431411
6 Senary 2102101441
8 Octal 123534541
10 Decimal 21936481
12 Duodecimal 741a881
16 Hexadecimal 14eb961
20 Vigesimal 6h2141
36 Base36 d26ap

Cryptographic Hash Functions

md5 5800225ebee4a9844ffd655bc9d90ff4
sha1 3b12d1e41b8cdf4fcd8234589c96fb4d1667e317
sha256 c07866c7fb8689ace2f28bc74685ab426f6afa909d9c83b3e6919824b0d9b72d
sha512 9fea0b0260d80d1f8e53ae46688fc09a12044f69d0b37ce9206f299070f9ddd39324cd98e87ab660ea09f1942cb99b56e6cdfaa51e4195fff81af34b6a866828
ripemd-160 eda36b47c7d31d2c49edf3885925e40f7c007f7e

21936481 as geometric shapes

Circle

Radius = n
Diameter 43872962
Circumference 137830975.11042
Area 1.5117632833606E+15

Sphere

Radius = n
Volume 4.4217022055918E+22
Surface area 6.0470531334426E+15
Circumference 137830975.11042

Square

Length = n
Perimeter 87745924
Area 481209198663361
Diagonal 31022868.94094

Cube

Length = n
Surface area 2887255191980166
Volume 1.0556036443504E+22
Space diagonal 37995099.631269

Equilateral Triangle

Length = n
Perimeter 65809443
Area 2.0836969528861E+14
Altitude 18997549.815635

Triangular Pyramid

Length = n
Surface area 2.0836969528861E+14
Volume 1.2440408252757E+21
Height 10340956.313647