21131211 (number)

21131211 is an odd 8-digits composite number following 21131210 and preceding 21131212. In scientific notation, it is written as 2.1131211 × 10^7. The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors. There are 13345992 positive integers (up to 21131211) that are relatively prime to 21131211.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand two hundred eleven

Notation

Scientific notation 2.1131211 × 10^7
Engineering notation 2.1131211 × 10^6

Prime Factorization of 21131211

Prime Factorization 3 × 19 × 370723

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21131211
Product of the distinct prime numbers

The prime factorization of 21131211 is 3 × 19 × 370723. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131211)

Multiplication

n×y
n×2 42262422
n×3 63393633
n×4 84524844
n×5 105656055

Division

n÷y
n÷2 10565605.5
n÷3 7043737
n÷3 5282802.75
n÷5 4226242.2

Exponentiation

ny
n2 446528078326521
n3 9.4356790405422E+21
n4 1.9938732473398E+29
n5 4.2132956296792E+36

Nth Root

y√n
2√n 4596.8696957821
3√n 276.46583011632
4√n 67.80021899509
5√n 29.173254272546

Divisors of 21131211

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 -21131210
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 21131211 can be divided by 8 positive divisors. The sum of these divisors (counting 21131211) is 1, the average is 0.125.

Base conversion 21131211

Base System Value
2 Binary 1010000100110111111001011
3 Ternary 1110202120120110
4 Quaternary 1100212333023
5 Quinary 20402144321
6 Senary 2032525403
8 Octal 120467713
10 Decimal 21131211
12 Duodecimal 70b0863
16 Hexadecimal 1426fcb
20 Vigesimal 6c180b
36 Base36 ckwy3

Cryptographic Hash Functions

md5 eb5709521c887a1d78f000a7e5703f89
sha1 8412df92586d5b87c05417cd246d6254ba4bb6af
sha256 cf22da88597ba75565a66dd3a59e798b75af3fa15f5768deb296f756ab1a6c03
sha512 bbba05d2919d0bf594da8a6bf4771f3f4c4fe765a5fafca7e362f931b1cb5da39551ad81a3f05e1feacd7accef37b6d4d28901724836127c851e017f08eaf8fb
ripemd-160 cf74283071df7ffde2c379daef2d6e7da963d342

21131211 as geometric shapes

Circle

Radius = n
Diameter 42262422
Circumference 132771314.47811
Area 1.4028093304922E+15

Sphere

Radius = n
Volume 3.9524079940532E+22
Surface area 5.6112373219687E+15
Circumference 132771314.47811

Square

Length = n
Perimeter 84524844
Area 446528078326521
Diagonal 29884045.185568

Cube

Length = n
Surface area 2679168469959126
Volume 9.4356790405422E+21
Space diagonal 36600331.077458

Equilateral Triangle

Length = n
Perimeter 63393633
Area 1.9335232966691E+14
Altitude 18300165.538729

Triangular Pyramid

Length = n
Surface area 1.9335232966691E+14
Volume 1.1120054391112E+21
Height 9961348.3951892