21061831 (number)

21061831 is an odd 8-digits composite number following 21061830 and preceding 21061832. In scientific notation, it is written as 2.1061831 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 17835000 positive integers (up to 21061831) that are relatively prime to 21061831.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1061831 × 10^7
Engineering notation 2.1061831 × 10^6

Prime Factorization of 21061831

Prime Factorization 7 × 83 × 36251

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21061831
Product of the distinct prime numbers

The prime factorization of 21061831 is 7 × 83 × 36251. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 20, 90, 397, 482, 6876, 4983, 19126, 95655, 745405, 882437, 7926550, 1618197, 98169530, 96770631, 705522800, 570885201, 869464519, 7352779781

Basic calculations (n = 21061831)

Multiplication

n×y
n×2 42123662
n×3 63185493
n×4 84247324
n×5 105309155

Division

n÷y
n÷2 10530915.5
n÷3 7020610.3333333
n÷3 5265457.75
n÷5 4212366.2

Exponentiation

ny
n2 443600725072561
n3 9.3430435029557E+21
n4 1.967816032849E+29
n5 4.1445808722956E+36

Nth Root

y√n
2√n 4589.3170515884
3√n 276.16292540378
4√n 67.744498312323
5√n 29.154072183656

Divisors of 21061831

1, 7, 83, 581, 36251, 253757, 3008833, 21061831

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21061830
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21061831 can be divided by 8 positive divisors. The sum of these divisors (counting 21061831) is 1, the average is 0.125.

Base conversion 21061831

Base System Value
2 Binary 1010000010110000011000111
3 Ternary 1110122001101211
4 Quaternary 1100112003013
5 Quinary 20342434311
6 Senary 2031232251
8 Octal 120260307
10 Decimal 21061831
12 Duodecimal 7078687
16 Hexadecimal 14160c7
20 Vigesimal 6bcebb
36 Base36 cjfev

Cryptographic Hash Functions

md5 e83d0da07d0c4e0940825ef9fb9710d5
sha1 258a2b6f2e4cc947ca66edd25bdaaa517c969c98
sha256 f8b401eb301c034d5f05cf8e4bf5cd42a2e752508714a16204230bcba62b9c2c
sha512 a9662918da466f09d302f0f9d63660132ae3354fbe46272c2d70cf11b1fca916f7c597b8d0e027cc24449bde3c89004dd03393bab305461af91eae576afc9846
ripemd-160 4867f8e18133b859f86695f0928b83b2b8d76a7b

21061831 as geometric shapes

Circle

Radius = n
Diameter 42123662
Circumference 132335387.0815
Area 1.3936127790151E+15

Sphere

Radius = n
Volume 3.9136049108074E+22
Surface area 5.5744511160603E+15
Circumference 132335387.0815

Square

Length = n
Perimeter 84247324
Area 443600725072561
Diagonal 29785927.04861

Cube

Length = n
Surface area 2661604350435366
Volume 9.3430435029557E+21
Space diagonal 36480161.392429

Equilateral Triangle

Length = n
Perimeter 63185493
Area 1.9208474852502E+14
Altitude 18240080.696215

Triangular Pyramid

Length = n
Surface area 1.9208474852502E+14
Volume 1.1010882363102E+21
Height 9928642.3495367