21131231 (number)

21131231 is an odd 8-digits composite number following 21131230 and preceding 21131232. In scientific notation, it is written as 2.1131231 × 10^7. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 19210200 positive integers (up to 21131231) that are relatively prime to 21131231.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131231 × 10^7
Engineering notation 2.1131231 × 10^6

Prime Factorization of 21131231

Prime Factorization 11 × 1921021

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21131231
Product of the distinct prime numbers

The prime factorization of 21131231 is 11 × 1921021. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 89, 91, 843, 670, 7772, 5178, 73446, 18940, 194602, 767345, 2819518, 3643763, 56167173, 73700997, 71390232, 524858672, 7903368411, 2601227228

Basic calculations (n = 21131231)

Multiplication

n×y
n×2 42262462
n×3 63393693
n×4 84524924
n×5 105656155

Division

n÷y
n÷2 10565615.5
n÷3 7043743.6666667
n÷3 5282807.75
n÷5 4226246.2

Exponentiation

ny
n2 446528923575361
n3 9.4357058322523E+21
n4 1.9938807958937E+29
n5 4.2133155684494E+36

Nth Root

y√n
2√n 4596.871871175
3√n 276.46591733825
4√n 67.800235037756
5√n 29.17325979485

Divisors of 21131231

1, 11, 1921021, 21131231

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131230
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131231 can be divided by 4 positive divisors. The sum of these divisors (counting 21131231) is 1, the average is 0.25.

Base conversion 21131231

Base System Value
2 Binary 1010000100110111111011111
3 Ternary 1110202120121012
4 Quaternary 1100212333133
5 Quinary 20402144411
6 Senary 2032525435
8 Octal 120467737
10 Decimal 21131231
12 Duodecimal 70b087b
16 Hexadecimal 1426fdf
20 Vigesimal 6c181b
36 Base36 ckwyn

Cryptographic Hash Functions

md5 240874dc0136f7f0598c71490133c132
sha1 8fedbb85feed7c344a88019f17d98da7234b396e
sha256 f95900add91222104f934920e2a8d4975b9c39b97e85f9b38c54bca6d0c01858
sha512 e1403d7e5a83b8fc201c50a5c1a7d5fea3a8f0e35da47633c6844b17ce805fe8e8080e702b1450a94b746c458d4d4c499f4657b48d72a6512702bb6bfafe8da3
ripemd-160 d5a92ab31056a2ca691b4616d7409951118162bb

21131231 as geometric shapes

Circle

Radius = n
Diameter 42262462
Circumference 132771440.14182
Area 1.4028119859197E+15

Sphere

Radius = n
Volume 3.9524192165384E+22
Surface area 5.6112479436788E+15
Circumference 132771440.14182

Square

Length = n
Perimeter 84524924
Area 446528923575361
Diagonal 29884073.469839

Cube

Length = n
Surface area 2679173541452166
Volume 9.4357058322523E+21
Space diagonal 36600365.718474

Equilateral Triangle

Length = n
Perimeter 63393693
Area 1.9335269567039E+14
Altitude 18300182.859237

Triangular Pyramid

Length = n
Surface area 1.9335269567039E+14
Volume 1.1120085965445E+21
Height 9961357.8232796