21461812 (number)

21461812 is an even 8-digits composite number following 21461811 and preceding 21461813. In scientific notation, it is written as 2.1461812 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors. There are 10730904 positive integers (up to 21461812) that are relatively prime to 21461812.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1461812 × 10^7
Engineering notation 2.1461812 × 10^6

Prime Factorization of 21461812

Prime Factorization 2 × 2 × 5365453

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10730906
Product of the distinct prime numbers

The prime factorization of 21461812 is 2 × 2 × 5365453. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21461812)

Multiplication

n×y
n×2 42923624
n×3 64385436
n×4 85847248
n×5 107309060

Division

n÷y
n÷2 10730906
n÷3 7153937.3333333
n÷3 5365453
n÷5 4292362.4

Exponentiation

ny
n2 460609374323344
n3 9.8855117971652E+21
n4 2.1216099571454E+29
n5 4.5533594037583E+36

Nth Root

y√n
2√n 4632.6894996319
3√n 277.90015909939
4√n 68.063863390436
5√n 29.26397231346

Divisors of 21461812

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21461811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21461812 can be divided by 6 positive divisors. The sum of these divisors (counting 21461812) is 1, the average is 0.16666666666667.

Base conversion 21461812

Base System Value
2 Binary 1010001110111101100110100
3 Ternary 1111101101001221
4 Quaternary 1101313230310
5 Quinary 20443234222
6 Senary 2044000124
8 Octal 121675464
10 Decimal 21461812
12 Duodecimal 7230044
16 Hexadecimal 1477b34
20 Vigesimal 6e2eac
36 Base36 cs01g

Cryptographic Hash Functions

md5 8302dbcf8695d74cebb64cd85704418a
sha1 02a4cf9614d254aba42247521b0956a1001f66dc
sha256 50cb71a6c8327aff8d9e84f14c72f92281ef1173cf51af619cf631293a869abd
sha512 138b0231da6811140d901d5ad758a081410a61f975d2c7d948f4c840427a2aca7b3a99946f50b9e964beb054b6ac004ca717608456f2ea505387968a4a031e23
ripemd-160 8c276f1532590369d10c429f3e3427b5dd61f34d

21461812 as geometric shapes

Circle

Radius = n
Diameter 42923624
Circumference 134848541.82385
Area 1.4470470265488E+15

Sphere

Radius = n
Volume 4.1408334985266E+22
Surface area 5.7881881061952E+15
Circumference 134848541.82385

Square

Length = n
Perimeter 85847248
Area 460609374323344
Diagonal 30351585.603502

Cube

Length = n
Surface area 2763656245940064
Volume 9.8855117971652E+21
Space diagonal 37172948.806491

Equilateral Triangle

Length = n
Perimeter 64385436
Area 1.9944970969264E+14
Altitude 18586474.403246

Triangular Pyramid

Length = n
Surface area 1.9944970969264E+14
Volume 1.1650187378792E+21
Height 10117195.201167