21493963 (number)

21493963 is an odd 8-digits composite number following 21493962 and preceding 21493964. In scientific notation, it is written as 2.1493963 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20969680 positive integers (up to 21493963) that are relatively prime to 21493963.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493963 × 10^7
Engineering notation 2.1493963 × 10^6

Prime Factorization of 21493963

Prime Factorization 41 × 524243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21493963
Product of the distinct prime numbers

The prime factorization of 21493963 is 41 × 524243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493963)

Multiplication

n×y
n×2 42987926
n×3 64481889
n×4 85975852
n×5 107469815

Division

n÷y
n÷2 10746981.5
n÷3 7164654.3333333
n÷3 5373490.75
n÷5 4298792.6

Exponentiation

ny
n2 461990445445369
n3 9.9300055407563E+21
n4 2.1343517168281E+29
n5 4.587567683049E+36

Nth Root

y√n
2√n 4636.1582155919
3√n 278.0388598784
4√n 68.089339955619
5√n 29.272734879193

Divisors of 21493963

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 -21493962
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 21493963 can be divided by 4 positive divisors. The sum of these divisors (counting 21493963) is 1, the average is 0.25.

Base conversion 21493963

Base System Value
2 Binary 1010001111111100011001011
3 Ternary 1111110000011201
4 Quaternary 1101333203023
5 Quinary 21000301323
6 Senary 2044405031
8 Octal 121774313
10 Decimal 21493963
12 Duodecimal 7246777
16 Hexadecimal 147f8cb
20 Vigesimal 6e6ei3
36 Base36 csouj

Cryptographic Hash Functions

md5 69e16d69a3b19c27428a368bbf020482
sha1 fa2fc12a576f201b2387e200f3b5130120c460f8
sha256 18f545973a61f6098652fc0159fc0d8fd87525d28a2f0779794acba6fc3d1f27
sha512 06b901cb838e4ea06f5ba57adc5b6f3aa30de774b25645dc900544c26cd0baa2a7504d22a34b9a5b5043c9d0a27289ae81ecf036d57f672ff54725358f3a0945
ripemd-160 5bd9a6d2d57f255ef02b1fa6ea2675d41751465f

21493963 as geometric shapes

Circle

Radius = n
Diameter 42987926
Circumference 135050552.51466
Area 1.4513857894398E+15

Sphere

Radius = n
Volume 4.1594709942594E+22
Surface area 5.8055431577594E+15
Circumference 135050552.51466

Square

Length = n
Perimeter 85975852
Area 461990445445369
Diagonal 30397053.983746

Cube

Length = n
Surface area 2771942672672214
Volume 9.9300055407563E+21
Space diagonal 37228635.972006

Equilateral Triangle

Length = n
Perimeter 64481889
Area 2.0004773103069E+14
Altitude 18614317.986003

Triangular Pyramid

Length = n
Surface area 2.0004773103069E+14
Volume 1.1702623758481E+21
Height 10132351.327915