21461825 (number)

21461825 is an odd 8-digits composite number following 21461824 and preceding 21461826. In scientific notation, it is written as 2.1461825 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 13377600 positive integers (up to 21461825) that are relatively prime to 21461825.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred sixty-one thousand eight hundred twenty-five

Notation

Scientific notation 2.1461825 × 10^7
Engineering notation 2.1461825 × 10^6

Prime Factorization of 21461825

Prime Factorization 5 × 35 × 11 × 11149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21461825
Product of the distinct prime numbers

The prime factorization of 21461825 is 5 × 35 × 11 × 11149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21461825)

Multiplication

n×y
n×2 42923650
n×3 64385475
n×4 85847300
n×5 107309125

Division

n÷y
n÷2 10730912.5
n÷3 7153941.6666667
n÷3 5365456.25
n÷5 4292365

Exponentiation

ny
n2 460609932330625
n3 9.8855297609417E+21
n4 2.1216150976162E+29
n5 4.5533731942397E+36

Nth Root

y√n
2√n 4632.6909027044
3√n 277.90021520993
4√n 68.063873697464
5√n 29.263975858655

Divisors of 21461825

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21461824
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21461825 can be divided by 16 positive divisors. The sum of these divisors (counting 21461825) is 1, the average is 0.0625.

Base conversion 21461825

Base System Value
2 Binary 1010001110111101101000001
3 Ternary 1111101101002102
4 Quaternary 1101313231001
5 Quinary 20443234300
6 Senary 2044000145
8 Octal 121675501
10 Decimal 21461825
12 Duodecimal 7230055
16 Hexadecimal 1477b41
20 Vigesimal 6e2eb5
36 Base36 cs01t

Cryptographic Hash Functions

md5 0e4c6bc4d482018952ee03f290808b9a
sha1 52801f5a712b33b23bdea5e585aee165090f246e
sha256 e0be503e433e8822127c224bb157ccd2583aebcdcf261e21b571cd28d461462d
sha512 96a04b9fa843801b967bef2bdf84edd590a659f28aff15e2c94f8ccffb67273ffe80c17a53990dfa59f11217a38c4fdf1b1932dc5f7990598b38999deb223142
ripemd-160 7b0efbdcc6cb4bcd0edada2ae17076019b0e3ad3

21461825 as geometric shapes

Circle

Radius = n
Diameter 42923650
Circumference 134848623.50526
Area 1.4470487795804E+15

Sphere

Radius = n
Volume 4.1408410231757E+22
Surface area 5.7881951183215E+15
Circumference 134848623.50526

Square

Length = n
Perimeter 85847300
Area 460609932330625
Diagonal 30351603.988278

Cube

Length = n
Surface area 2763659593983750
Volume 9.8855297609417E+21
Space diagonal 37172971.323152

Equilateral Triangle

Length = n
Perimeter 64385475
Area 1.9944995131688E+14
Altitude 18586485.661576

Triangular Pyramid

Length = n
Surface area 1.9944995131688E+14
Volume 1.1650208549306E+21
Height 10117201.329426