21431437 (number)

21431437 is an odd 8-digits composite number following 21431436 and preceding 21431438. In scientific notation, it is written as 2.1431437 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 21277116 positive integers (up to 21431437) that are relatively prime to 21431437.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431437 × 10^7
Engineering notation 2.1431437 × 10^6

Prime Factorization of 21431437

Prime Factorization 139 × 154183

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21431437
Product of the distinct prime numbers

The prime factorization of 21431437 is 139 × 154183. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431437)

Multiplication

n×y
n×2 42862874
n×3 64294311
n×4 85725748
n×5 107157185

Division

n÷y
n÷2 10715718.5
n÷3 7143812.3333333
n÷3 5357859.25
n÷5 4286287.4

Exponentiation

ny
n2 459306491884969
n3 9.8435981445237E+21
n4 2.1096245348768E+29
n5 4.5212285312866E+36

Nth Root

y√n
2√n 4629.4100056055
3√n 277.76899274735
4√n 68.039767824453
5√n 29.255684133426

Divisors of 21431437

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 -21431436
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 21431437 can be divided by 4 positive divisors. The sum of these divisors (counting 21431437) is 1, the average is 0.25.

Base conversion 21431437

Base System Value
2 Binary 1010001110000010010001101
3 Ternary 1111022211101221
4 Quaternary 1101300102031
5 Quinary 20441301222
6 Senary 2043203341
8 Octal 121602215
10 Decimal 21431437
12 Duodecimal 7216551
16 Hexadecimal 147048d
20 Vigesimal 6diibh
36 Base36 crclp

Cryptographic Hash Functions

md5 fa84dbb172b78644af49d003dca23ebd
sha1 b0a84e3877e579485b65e544267766d9999b9b84
sha256 5d322c8b6e5cb31878946c6f165472d413b52d34482f633692557295a36f6b9f
sha512 4357098041744967679100fd3d5f5c3130ad8a311d16ec2d08e30081a0bc3f6c0c533f1d5bafbfe5fa75403a199397c35efcd3116d907ce6c6c3fca36bae9ac7
ripemd-160 b6f1851c526e4c9661254968dee24093f66acc63

21431437 as geometric shapes

Circle

Radius = n
Diameter 42862874
Circumference 134657690.07014
Area 1.4429539006519E+15

Sphere

Radius = n
Volume 4.1232767487634E+22
Surface area 5.7718156026077E+15
Circumference 134657690.07014

Square

Length = n
Perimeter 85725748
Area 459306491884969
Diagonal 30308628.866545

Cube

Length = n
Surface area 2755838951309814
Volume 9.8435981445237E+21
Space diagonal 37120337.763212

Equilateral Triangle

Length = n
Perimeter 64294311
Area 1.9888554504775E+14
Altitude 18560168.881606

Triangular Pyramid

Length = n
Surface area 1.9888554504775E+14
Volume 1.1600791665447E+21
Height 10102876.288848