21471844 (number)

21471844 is an even 8-digits composite number following 21471843 and preceding 21471845. In scientific notation, it is written as 2.1471844 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors. There are 10735920 positive integers (up to 21471844) that are relatively prime to 21471844.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-one thousand eight hundred forty-four

Notation

Scientific notation 2.1471844 × 10^7
Engineering notation 2.1471844 × 10^6

Prime Factorization of 21471844

Prime Factorization 2 × 2 × 5367961

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10735922
Product of the distinct prime numbers

The prime factorization of 21471844 is 2 × 2 × 5367961. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21471844)

Multiplication

n×y
n×2 42943688
n×3 64415532
n×4 85887376
n×5 107359220

Division

n÷y
n÷2 10735922
n÷3 7157281.3333333
n÷3 5367961
n÷5 4294368.8

Exponentiation

ny
n2 461040084760336
n3 9.8993807777207E+21
n4 2.1255795975582E+29
n5 4.5640113528352E+36

Nth Root

y√n
2√n 4633.7721135162
3√n 277.94345243241
4√n 68.071815852937
5√n 29.266707602489

Divisors of 21471844

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21471843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21471844 can be divided by 6 positive divisors. The sum of these divisors (counting 21471844) is 1, the average is 0.16666666666667.

Base conversion 21471844

Base System Value
2 Binary 1010001111010001001100100
3 Ternary 1111101212211111
4 Quaternary 1101322021210
5 Quinary 20444044334
6 Senary 2044114404
8 Octal 121721144
10 Decimal 21471844
12 Duodecimal 7235a04
16 Hexadecimal 147a264
20 Vigesimal 6e3jc4
36 Base36 cs7s4

Cryptographic Hash Functions

md5 6c576ee2825a3a7deae3d5f968250743
sha1 e73089c4acc573b5c94957a3093ecfebdaf026cf
sha256 e9f6310b36524349d68a061177ad63888363e825429d78ccda7e68f3a7d26863
sha512 4e60f8d00c1d0ded6c6daafa749783e5e0857ee9bedf15d65e3883d76ebb8db4e39b4a95cb01812def93451ad39b9704166129e8a7ce130cbe66e4fc4c3557c4
ripemd-160 2f1b7f8c2d4f4a0082d1bbd38c606ba411d9a69b

21471844 as geometric shapes

Circle

Radius = n
Diameter 42943688
Circumference 134911574.73885
Area 1.4484001432935E+15

Sphere

Radius = n
Volume 4.1466429235167E+22
Surface area 5.7936005731739E+15
Circumference 134911574.73885

Square

Length = n
Perimeter 85887376
Area 461040084760336
Diagonal 30365772.993959

Cube

Length = n
Surface area 2766240508562016
Volume 9.8993807777207E+21
Space diagonal 37190324.740193

Equilateral Triangle

Length = n
Perimeter 64415532
Area 1.9963621278269E+14
Altitude 18595162.370096

Triangular Pyramid

Length = n
Surface area 1.9963621278269E+14
Volume 1.1666532129123E+21
Height 10121924.33132