21431442 (number)

21431442 is an even 8-digits composite number following 21431441 and preceding 21431443. In scientific notation, it is written as 2.1431442 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 7098000 positive integers (up to 21431442) that are relatively prime to 21431442.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431442 × 10^7
Engineering notation 2.1431442 × 10^6

Prime Factorization of 21431442

Prime Factorization 2 × 3 × 157 × 22751

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21431442
Product of the distinct prime numbers

The prime factorization of 21431442 is 2 × 3 × 157 × 22751. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 23, 6, 783, 770, 4470, 2738, 99280, 24727, 345692, 616217, 9735654, 9725283, 60861828, 57142823, 259786847, 790605157, 3253733649, 7033159555

Basic calculations (n = 21431442)

Multiplication

n×y
n×2 42862884
n×3 64294326
n×4 85725768
n×5 107157210

Division

n÷y
n÷2 10715721
n÷3 7143814
n÷3 5357860.5
n÷5 4286288.4

Exponentiation

ny
n2 459306706199364
n3 9.8436050341227E+21
n4 2.1096265035971E+29
n5 4.5212338053504E+36

Nth Root

y√n
2√n 4629.4105456311
3√n 277.76901434872
4√n 68.039771792908
5√n 29.255685498508

Divisors of 21431442

1, 2, 3, 6, 157, 314, 471, 942, 22751, 45502, 68253, 136506, 3571907, 7143814, 10715721, 21431442

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21431441
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431442 can be divided by 16 positive divisors. The sum of these divisors (counting 21431442) is 1, the average is 0.0625.

Base conversion 21431442

Base System Value
2 Binary 1010001110000010010010010
3 Ternary 1111022211102010
4 Quaternary 1101300102102
5 Quinary 20441301232
6 Senary 2043203350
8 Octal 121602222
10 Decimal 21431442
12 Duodecimal 7216556
16 Hexadecimal 1470492
20 Vigesimal 6diic2
36 Base36 crclu

Cryptographic Hash Functions

md5 8fc12acc880c2a33262db8a1a8ffeea3
sha1 1cdda75035705d79a8d6e63a18b1489eb165e71b
sha256 9d6289af142c890e1d00509fa5f3f9455f2187ca159854bde0a296c00028752a
sha512 6a9192109e62c2edc1129615d380afdf17ac62d63f0cea16f6b0ae7858cd7aa2d50bc59aaee8587ffb147841858e60d477ee17c35c5de9524f9cbff8ecdf03ad
ripemd-160 3095e3dc981dadab99737aa6cf1748bf0dee935d

21431442 as geometric shapes

Circle

Radius = n
Diameter 42862884
Circumference 134657721.48607
Area 1.4429545739404E+15

Sphere

Radius = n
Volume 4.1232796346719E+22
Surface area 5.7718182957618E+15
Circumference 134657721.48607

Square

Length = n
Perimeter 85725768
Area 459306706199364
Diagonal 30308635.937612

Cube

Length = n
Surface area 2755840237196184
Volume 9.8436050341227E+21
Space diagonal 37120346.423466

Equilateral Triangle

Length = n
Perimeter 64294326
Area 1.988856378486E+14
Altitude 18560173.211733

Triangular Pyramid

Length = n
Surface area 1.988856378486E+14
Volume 1.1600799784917E+21
Height 10102878.645871