21431438 (number)

21431438 is an even 8-digits composite number following 21431437 and preceding 21431439. In scientific notation, it is written as 2.1431438 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 8960640 positive integers (up to 21431438) that are relatively prime to 21431438.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431438 × 10^7
Engineering notation 2.1431438 × 10^6

Prime Factorization of 21431438

Prime Factorization 2 × 287 × 37337

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21431438
Product of the distinct prime numbers

The prime factorization of 21431438 is 2 × 287 × 37337. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431438)

Multiplication

n×y
n×2 42862876
n×3 64294314
n×4 85725752
n×5 107157190

Division

n÷y
n÷2 10715719
n÷3 7143812.6666667
n÷3 5357859.5
n÷5 4286287.6

Exponentiation

ny
n2 459306534747844
n3 9.8435995224433E+21
n4 2.1096249286207E+29
n5 4.5212295860989E+36

Nth Root

y√n
2√n 4629.4101136106
3√n 277.76899706762
4√n 68.039768618144
5√n 29.255684406442

Divisors of 21431438

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 -21431437
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 21431438 can be divided by 8 positive divisors. The sum of these divisors (counting 21431438) is 1, the average is 0.125.

Base conversion 21431438

Base System Value
2 Binary 1010001110000010010001110
3 Ternary 1111022211101222
4 Quaternary 1101300102032
5 Quinary 20441301223
6 Senary 2043203342
8 Octal 121602216
10 Decimal 21431438
12 Duodecimal 7216552
16 Hexadecimal 147048e
20 Vigesimal 6diibi
36 Base36 crclq

Cryptographic Hash Functions

md5 d11f7ac0916649f75e5564b1ac853df6
sha1 e2d750b637f1c2866bd10d1123e00e80f35845ad
sha256 65bd6012d275f4bbd7fc8be8b334c08b35b4fafba0596319b74c5d051fc5f190
sha512 12265b82e385925816a3b75872131bf6affd1a75f81ca9c546908fdbf771fc008e9eccaad980ef0db77f93a8e2123e8e04eaaf3d6546b4742df8eba31090f43b
ripemd-160 e69c749e2269287c3a1a1605ce7b0d9e0b1d896a

21431438 as geometric shapes

Circle

Radius = n
Diameter 42862876
Circumference 134657696.35333
Area 1.4429540353096E+15

Sphere

Radius = n
Volume 4.123277325945E+22
Surface area 5.7718161412384E+15
Circumference 134657696.35333

Square

Length = n
Perimeter 85725752
Area 459306534747844
Diagonal 30308630.280758

Cube

Length = n
Surface area 2755839208487064
Volume 9.8435995224433E+21
Space diagonal 37120339.495262

Equilateral Triangle

Length = n
Perimeter 64294314
Area 1.9888556360792E+14
Altitude 18560169.747631

Triangular Pyramid

Length = n
Surface area 1.9888556360792E+14
Volume 1.160079328934E+21
Height 10102876.760253