21082971 (number)

21082971 is an odd 8-digits composite number following 21082970 and preceding 21082972. In scientific notation, it is written as 2.1082971 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 10733184 positive integers (up to 21082971) that are relatively prime to 21082971.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand nine hundred seventy-one

Notation

Scientific notation 2.1082971 × 10^7
Engineering notation 2.1082971 × 10^6

Prime Factorization of 21082971

Prime Factorization 203 × 39 × 2663

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21082971
Product of the distinct prime numbers

The prime factorization of 21082971 is 203 × 39 × 2663. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082971)

Multiplication

n×y
n×2 42165942
n×3 63248913
n×4 84331884
n×5 105414855

Division

n÷y
n÷2 10541485.5
n÷3 7027657
n÷3 5270742.75
n÷5 4216594.2

Exponentiation

ny
n2 444491666186841
n3 9.3712049079588E+21
n4 1.9757284130955E+29
n5 4.1654224837169E+36

Nth Root

y√n
2√n 4591.6196488821
3√n 276.2552904674
4√n 67.761490899198
5√n 29.159922290354

Divisors of 21082971

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 -21082970
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 21082971 can be divided by 8 positive divisors. The sum of these divisors (counting 21082971) is 1, the average is 0.125.

Base conversion 21082971

Base System Value
2 Binary 1010000011011001101011011
3 Ternary 1110200010101210
4 Quaternary 1100123031123
5 Quinary 20344123341
6 Senary 2031514203
8 Octal 120331533
10 Decimal 21082971
12 Duodecimal 7088963
16 Hexadecimal 141b35b
20 Vigesimal 6bf78b
36 Base36 cjvq3

Cryptographic Hash Functions

md5 8b64906cb5feca0c30bfa0ec1d54183b
sha1 4cd8ab42101ea4fe136cf84ccc1a167aee6cab84
sha256 ab86ec6e79d3e67682b71335ed7c87a5d3f24668d0fad03b92eabb82a78c9ce4
sha512 030d0134e603330558b0da0bc9d0d0a01d39870753c8c12263be97547bd0267c76914651185d683a3c55ce634096504f2756db69893e1e9ffff462ff371be2e6
ripemd-160 4bccc6ba327d57b633d8c157db47ac2760f1f3c6

21082971 as geometric shapes

Circle

Radius = n
Diameter 42165942
Circumference 132468213.61889
Area 1.3964117530745E+15

Sphere

Radius = n
Volume 3.9254011325504E+22
Surface area 5.5856470122979E+15
Circumference 132468213.61889

Square

Length = n
Perimeter 84331884
Area 444491666186841
Diagonal 29815823.523319

Cube

Length = n
Surface area 2666949997121046
Volume 9.3712049079588E+21
Space diagonal 36516776.946501

Equilateral Triangle

Length = n
Perimeter 63248913
Area 1.9247053734414E+14
Altitude 18258388.473251

Triangular Pyramid

Length = n
Surface area 1.9247053734414E+14
Volume 1.1044070897177E+21
Height 9938607.8411062