21061812 (number)

21061812 is an even 8-digits composite number following 21061811 and preceding 21061813. In scientific notation, it is written as 2.1061812 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 6999616 positive integers (up to 21061812) that are relatively prime to 21061812.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1061812 × 10^7
Engineering notation 2.1061812 × 10^6

Prime Factorization of 21061812

Prime Factorization 2 × 2 × 3 × 359 × 4889

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10530906
Product of the distinct prime numbers

The prime factorization of 21061812 is 2 × 2 × 3 × 359 × 4889. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 72, 53, 951, 306, 3340, 8921, 20767, 83008, 992350, 787186, 5243062, 1818512, 40619838, 71960516, 149884028, 409941182, 2702539535, 8235915432

Basic calculations (n = 21061812)

Multiplication

n×y
n×2 42123624
n×3 63185436
n×4 84247248
n×5 105309060

Division

n÷y
n÷2 10530906
n÷3 7020604
n÷3 5265453
n÷5 4212362.4

Exponentiation

ny
n2 443599924723344
n3 9.3430182177372E+21
n4 1.9678089321456E+29
n5 4.1445621780771E+36

Nth Root

y√n
2√n 4589.3149815632
3√n 276.16284236103
4√n 67.744483034142
5√n 29.154066923643

Divisors of 21061812

1, 2, 3, 4, 6, 12, 359, 718, 1077, 1436, 2154, 4308, 4889, 9778, 14667, 19556, 29334, 58668, 1755151, 3510302, 5265453, 7020604, 10530906, 21061812

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21061811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21061812 can be divided by 24 positive divisors. The sum of these divisors (counting 21061812) is 1, the average is 0.041666666666667.

Base conversion 21061812

Base System Value
2 Binary 1010000010110000010110100
3 Ternary 1110122001101010
4 Quaternary 1100112002310
5 Quinary 20342434222
6 Senary 2031232220
8 Octal 120260264
10 Decimal 21061812
12 Duodecimal 7078670
16 Hexadecimal 14160b4
20 Vigesimal 6bceac
36 Base36 cjfec

Cryptographic Hash Functions

md5 d01ad5c2cad92e59ea25e055c54e33cb
sha1 18a7816e942dcb819a930b9e399916c794ed76b4
sha256 8ebadc1496891288277218002ba6b3f20a44f99c275e975e5cde4646f2b983d6
sha512 d8cd8077be300051a4eb10788bf61bd3e0e010c8dd7978b97d3c3e893429eecde9820249735b9c48ac4ca509b79d608ea28fac7fd71343e06ddd9943d436a643
ripemd-160 34d726d47daa98cf33ee328f9a7a5d9f64f87a02

21061812 as geometric shapes

Circle

Radius = n
Diameter 42123624
Circumference 132335267.70098
Area 1.3936102646438E+15

Sphere

Radius = n
Volume 3.9135943193598E+22
Surface area 5.5744410585754E+15
Circumference 132335267.70098

Square

Length = n
Perimeter 84247248
Area 443599924723344
Diagonal 29785900.178552

Cube

Length = n
Surface area 2661599548340064
Volume 9.3430182177372E+21
Space diagonal 36480128.483464

Equilateral Triangle

Length = n
Perimeter 63185436
Area 1.9208440196364E+14
Altitude 18240064.241732

Triangular Pyramid

Length = n
Surface area 1.9208440196364E+14
Volume 1.1010852564186E+21
Height 9928633.3928508