21397963 (number)

21397963 is an odd 8-digits composite number following 21397962 and preceding 21397964. In scientific notation, it is written as 2.1397963 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 21387088 positive integers (up to 21397963) that are relatively prime to 21397963.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1397963 × 10^7
Engineering notation 2.1397963 × 10^6

Prime Factorization of 21397963

Prime Factorization 2579 × 8297

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21397963
Product of the distinct prime numbers

The prime factorization of 21397963 is 2579 × 8297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21397963)

Multiplication

n×y
n×2 42795926
n×3 64193889
n×4 85591852
n×5 106989815

Division

n÷y
n÷2 10698981.5
n÷3 7132654.3333333
n÷3 5349490.75
n÷5 4279592.6

Exponentiation

ny
n2 457872820549369
n3 9.797545672821E+21
n4 2.0964751979783E+29
n5 4.4860298716758E+36

Nth Root

y√n
2√n 4625.7932292743
3√n 277.62430056188
4√n 68.013184231253
5√n 29.246539462637

Divisors of 21397963

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 -21397962
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 21397963 can be divided by 4 positive divisors. The sum of these divisors (counting 21397963) is 1, the average is 0.25.

Base conversion 21397963

Base System Value
2 Binary 1010001101000000111001011
3 Ternary 1111021010111011
4 Quaternary 1101220013023
5 Quinary 20434213323
6 Senary 2042344351
8 Octal 121500713
10 Decimal 21397963
12 Duodecimal 71bb0b7
16 Hexadecimal 14681cb
20 Vigesimal 6deei3
36 Base36 cqmrv

Cryptographic Hash Functions

md5 91ef7476938a0535701e835a2a3ae732
sha1 bd81ad93f11b28129d70852181fb47496534b76e
sha256 15bf73d162690ad7a2cde0f8a12afa420eecf46c8c487f50664af036d4bec65b
sha512 f30a04fc67a5bb50f83e5cfc62c16e1fbebc22f21c2540b0572be9a65f3eca19056157cf6bc5150a07ebd5f47f37d0756ce5b62f7f1b645a60253a99cd754303
ripemd-160 f7dc8eef3145c25f6fdb29357761e68873b43242

21397963 as geometric shapes

Circle

Radius = n
Diameter 42795926
Circumference 134447366.72517
Area 1.4384498893163E+15

Sphere

Radius = n
Volume 4.103986334526E+22
Surface area 5.7537995572653E+15
Circumference 134447366.72517

Square

Length = n
Perimeter 85591852
Area 457872820549369
Diagonal 30261289.481758

Cube

Length = n
Surface area 2747236923296214
Volume 9.797545672821E+21
Space diagonal 37062359.094479

Equilateral Triangle

Length = n
Perimeter 64193889
Area 1.9826474714909E+14
Altitude 18531179.547239

Triangular Pyramid

Length = n
Surface area 1.9826474714909E+14
Volume 1.1546518307061E+21
Height 10087096.493919