21497744 (number)

21497744 is an even 8-digits composite number following 21497743 and preceding 21497745. In scientific notation, it is written as 2.1497744 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 10681632 positive integers (up to 21497744) that are relatively prime to 21497744.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand seven hundred forty-four

Notation

Scientific notation 2.1497744 × 10^7
Engineering notation 2.1497744 × 10^6

Prime Factorization of 21497744

Prime Factorization 2 × 2 × 2 × 2 × 163 × 8243

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2687218
Product of the distinct prime numbers

The prime factorization of 21497744 is 2 × 2 × 2 × 2 × 163 × 8243. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 4, 9, 79, 863, 287, 4710, 8433, 27193, 45370, 752822, 709685, 8644903, 2165162, 17352934, 84744493, 812847532, 840818294, 4251218390, 5124207341

Basic calculations (n = 21497744)

Multiplication

n×y
n×2 42995488
n×3 64493232
n×4 85990976
n×5 107488720

Division

n÷y
n÷2 10748872
n÷3 7165914.6666667
n÷3 5374436
n÷5 4299548.8

Exponentiation

ny
n2 462152997089536
n3 9.9352468202636E+21
n4 2.1358539271884E+29
n5 4.5916040948091E+36

Nth Root

y√n
2√n 4636.5659706296
3√n 278.0551621814
4√n 68.092334154658
5√n 29.273764679268

Divisors of 21497744

1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 8243, 16486, 32972, 65944, 131888, 1343609, 2687218, 5374436, 10748872, 21497744

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497743
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497744 can be divided by 20 positive divisors. The sum of these divisors (counting 21497744) is 1, the average is 0.05.

Base conversion 21497744

Base System Value
2 Binary 1010010000000011110010000
3 Ternary 1111110012100202
4 Quaternary 1102000132100
5 Quinary 21000411434
6 Senary 2044434332
8 Octal 122003620
10 Decimal 21497744
12 Duodecimal 72489a8
16 Hexadecimal 1480790
20 Vigesimal 6e7474
36 Base36 csrrk

Cryptographic Hash Functions

md5 7f28f250cb3a8ea383e5a7dbc36f98f6
sha1 eb6eadc293d4fbd8241e7886fad60824b62a66da
sha256 6c48a60b99d75794c656889e8531a1b0b70dcbe48d6aecd105f9dd9f57054f44
sha512 1df7e585bb81835b2f5db01a4a16939489a42154e7fd89926cfdf9598aba74af090a5ccc0cd6b3df885a5eb2e5c275a7d865b869427205a5752c5797fb4e2e2f
ripemd-160 cc5440fae34ab1fa0eaa74eae1b92e924381970c

21497744 as geometric shapes

Circle

Radius = n
Diameter 42995488
Circumference 135074309.23831
Area 1.451896460491E+15

Sphere

Radius = n
Volume 4.1616664562855E+22
Surface area 5.807585841964E+15
Circumference 135074309.23831

Square

Length = n
Perimeter 85990976
Area 462152997089536
Diagonal 30402401.125225

Cube

Length = n
Surface area 2772917982537216
Volume 9.9352468202636E+21
Space diagonal 37235184.856109

Equilateral Triangle

Length = n
Perimeter 64493232
Area 2.0011811795733E+14
Altitude 18617592.428054

Triangular Pyramid

Length = n
Surface area 2.0011811795733E+14
Volume 1.1708800665617E+21
Height 10134133.708408