21431424 (number)

21431424 is an even 8-digits composite number following 21431423 and preceding 21431425. In scientific notation, it is written as 2.1431424 × 10^7. The sum of its digits is 21. It has a total of 10 prime factors and 64 positive divisors. There are 5677056 positive integers (up to 21431424) that are relatively prime to 21431424.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431424 × 10^7
Engineering notation 2.1431424 × 10^6

Prime Factorization of 21431424

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 51 × 49 × 67

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 334866
Product of the distinct prime numbers

The prime factorization of 21431424 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 51 × 49 × 67. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431424)

Multiplication

n×y
n×2 42862848
n×3 64294272
n×4 85725696
n×5 107157120

Division

n÷y
n÷2 10715712
n÷3 7143808
n÷3 5357856
n÷5 4286284.8

Exponentiation

ny
n2 459305934667776
n3 9.8435802315814E+21
n4 2.1096194162104E+29
n5 4.5212148187437E+36

Nth Root

y√n
2√n 4629.4086015386
3√n 277.76893658379
4√n 68.039757506466
5√n 29.25568058421

Divisors of 21431424

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21431423
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431424 can be divided by 64 positive divisors. The sum of these divisors (counting 21431424) is 1, the average is 0.015625.

Base conversion 21431424

Base System Value
2 Binary 1010001110000010010000000
3 Ternary 1111022211101110
4 Quaternary 1101300102000
5 Quinary 20441301144
6 Senary 2043203320
8 Octal 121602200
10 Decimal 21431424
12 Duodecimal 7216540
16 Hexadecimal 1470480
20 Vigesimal 6diib4
36 Base36 crclc

Cryptographic Hash Functions

md5 3004563984edefb3705820fb08753968
sha1 9a164f1ee592aae65a65cd3156c7ebd6ed978ea6
sha256 47a1cce15a719de278bd6c5b8b7ccc7c65b4445db6f1b9712bd3e4035d7c91c8
sha512 c7c3d9ccc8971946cf73c35ad9883946b05f779ea2bcaea0b066f52c313341ce3bfed9e99e4dc7b55c7a588cc06086ba4c2f3be4a4333b3dc21e3ce465e7af55
ripemd-160 2c39a4bdbc5f76ac27fb7d9d4b6529b10d500a5e

21431424 as geometric shapes

Circle

Radius = n
Diameter 42862848
Circumference 134657608.38874
Area 1.4429521501025E+15

Sphere

Radius = n
Volume 4.1232692454077E+22
Surface area 5.7718086004099E+15
Circumference 134657608.38874

Square

Length = n
Perimeter 85725696
Area 459305934667776
Diagonal 30308610.481768

Cube

Length = n
Surface area 2755835608006656
Volume 9.8435802315814E+21
Space diagonal 37120315.246551

Equilateral Triangle

Length = n
Perimeter 64294272
Area 1.9888530376562E+14
Altitude 18560157.623276

Triangular Pyramid

Length = n
Surface area 1.9888530376562E+14
Volume 1.1600770554842E+21
Height 10102870.160589