21082842 (number)

21082842 is an even 8-digits composite number following 21082841 and preceding 21082843. In scientific notation, it is written as 2.1082842 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 40 positive divisors. There are 6388200 positive integers (up to 21082842) that are relatively prime to 21082842.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand eight hundred forty-two

Notation

Scientific notation 2.1082842 × 10^7
Engineering notation 2.1082842 × 10^6

Prime Factorization of 21082842

Prime Factorization 2 × 3 × 3 × 11 × 9 × 11831

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7027614
Product of the distinct prime numbers

The prime factorization of 21082842 is 2 × 3 × 3 × 11 × 9 × 11831. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082842)

Multiplication

n×y
n×2 42165684
n×3 63248526
n×4 84331368
n×5 105414210

Division

n÷y
n÷2 10541421
n÷3 7027614
n÷3 5270710.5
n÷5 4216568.4

Exponentiation

ny
n2 444486226796964
n3 9.3710328907366E+21
n4 1.975680058122E+29
n5 4.1652950507937E+36

Nth Root

y√n
2√n 4591.6056015298
3√n 276.2547270268
4√n 67.761387246203
5√n 29.159886606207

Divisors of 21082842

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21082841
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21082842 can be divided by 40 positive divisors. The sum of these divisors (counting 21082842) is 1, the average is 0.025.

Base conversion 21082842

Base System Value
2 Binary 1010000011011001011011010
3 Ternary 1110200010020000
4 Quaternary 1100123023122
5 Quinary 20344122332
6 Senary 2031513430
8 Octal 120331332
10 Decimal 21082842
12 Duodecimal 7088876
16 Hexadecimal 141b2da
20 Vigesimal 6bf722
36 Base36 cjvmi

Cryptographic Hash Functions

md5 659c3930d181a68e4b8a8f26958efe5a
sha1 c8b815d6c4bca2922de1c7d3e0046f53de5b9f7a
sha256 b347e8d47688a458cbe89b1d1cc9204824b45d55ef56e866ef1a4cf1a1649aed
sha512 ab2b72ee21e0ca2768994b584ddcf2e9e8f1181956aaae4d58a4957d56ee5f01e3a9d93afbbaeacf88857b82f5ffa683616b03f9d834541c3c2cb5fa27c6a9f6
ripemd-160 c470d32a1944934c8840ab1d7ba545f57ec658f1

21082842 as geometric shapes

Circle

Radius = n
Diameter 42165684
Circumference 132467403.08799
Area 1.3963946647272E+15

Sphere

Radius = n
Volume 3.9253290781448E+22
Surface area 5.5855786589088E+15
Circumference 132467403.08799

Square

Length = n
Perimeter 84331368
Area 444486226796964
Diagonal 29815641.089769

Cube

Length = n
Surface area 2666917360781784
Volume 9.3710328907366E+21
Space diagonal 36516553.511947

Equilateral Triangle

Length = n
Perimeter 63248526
Area 1.9246818201923E+14
Altitude 18258276.755974

Triangular Pyramid

Length = n
Surface area 1.9246818201923E+14
Volume 1.1043868172937E+21
Height 9938547.029923