21431439 (number)

21431439 is an odd 8-digits composite number following 21431438 and preceding 21431440. In scientific notation, it is written as 2.1431439 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 14287608 positive integers (up to 21431439) that are relatively prime to 21431439.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431439 × 10^7
Engineering notation 2.1431439 × 10^6

Prime Factorization of 21431439

Prime Factorization 3 × 9 × 793757

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21431439
Product of the distinct prime numbers

The prime factorization of 21431439 is 3 × 9 × 793757. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431439)

Multiplication

n×y
n×2 42862878
n×3 64294317
n×4 85725756
n×5 107157195

Division

n÷y
n÷2 10715719.5
n÷3 7143813
n÷3 5357859.75
n÷5 4286287.8

Exponentiation

ny
n2 459306577610721
n3 9.8436009003629E+21
n4 2.1096253223647E+29
n5 4.5212306409115E+36

Nth Root

y√n
2√n 4629.4102216157
3√n 277.7690013879
4√n 68.039769411835
5√n 29.255684679459

Divisors of 21431439

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 -21431438
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 21431439 can be divided by 8 positive divisors. The sum of these divisors (counting 21431439) is 1, the average is 0.125.

Base conversion 21431439

Base System Value
2 Binary 1010001110000010010001111
3 Ternary 1111022211102000
4 Quaternary 1101300102033
5 Quinary 20441301224
6 Senary 2043203343
8 Octal 121602217
10 Decimal 21431439
12 Duodecimal 7216553
16 Hexadecimal 147048f
20 Vigesimal 6diibj
36 Base36 crclr

Cryptographic Hash Functions

md5 c567c03d77c921d870719a0e6ca131df
sha1 602c2399dc51311f7785e96625c7e010f934dc56
sha256 28861c55936d8c38cb6e0fe79bf72b48fcac2245f65ab86eb62f24335ab76cb5
sha512 a63be683a254a81c7ac9c96f2820dc4940796049b80a332a63369a397ad7ec9063e96092651616cfd380a129603f72701cbf2ecf0c893b913906d18d9f8a5aa6
ripemd-160 ed5c140e40e54fce4ad2eaf58681246a37d9efc1

21431439 as geometric shapes

Circle

Radius = n
Diameter 42862878
Circumference 134657702.63652
Area 1.4429541699673E+15

Sphere

Radius = n
Volume 4.1232779031267E+22
Surface area 5.7718166798692E+15
Circumference 134657702.63652

Square

Length = n
Perimeter 85725756
Area 459306577610721
Diagonal 30308631.694972

Cube

Length = n
Surface area 2755839465664326
Volume 9.8436009003629E+21
Space diagonal 37120341.227313

Equilateral Triangle

Length = n
Perimeter 64294317
Area 1.9888558216809E+14
Altitude 18560170.613657

Triangular Pyramid

Length = n
Surface area 1.9888558216809E+14
Volume 1.1600794913234E+21
Height 10102877.231657