21471812 (number)

21471812 is an even 8-digits composite number following 21471811 and preceding 21471813. In scientific notation, it is written as 2.1471812 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 10725960 positive integers (up to 21471812) that are relatively prime to 21471812.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1471812 × 10^7
Engineering notation 2.1471812 × 10^6

Prime Factorization of 21471812

Prime Factorization 2 × 2 × 3391 × 1583

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10735906
Product of the distinct prime numbers

The prime factorization of 21471812 is 2 × 2 × 3391 × 1583. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21471812)

Multiplication

n×y
n×2 42943624
n×3 64415436
n×4 85887248
n×5 107359060

Division

n÷y
n÷2 10735906
n÷3 7157270.6666667
n÷3 5367953
n÷5 4294362.4

Exponentiation

ny
n2 461038710563344
n3 9.8993365179385E+21
n4 2.1255669263791E+29
n5 4.563977343663E+36

Nth Root

y√n
2√n 4633.7686606045
3√n 277.9433143571
4√n 68.071790490661
5√n 29.26669887911

Divisors of 21471812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21471811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21471812 can be divided by 12 positive divisors. The sum of these divisors (counting 21471812) is 1, the average is 0.083333333333333.

Base conversion 21471812

Base System Value
2 Binary 1010001111010001001000100
3 Ternary 1111101212210022
4 Quaternary 1101322021010
5 Quinary 20444044222
6 Senary 2044114312
8 Octal 121721104
10 Decimal 21471812
12 Duodecimal 7235998
16 Hexadecimal 147a244
20 Vigesimal 6e3jac
36 Base36 cs7r8

Cryptographic Hash Functions

md5 a66c1d74da3f87bd5bc9bd28ffb5ba55
sha1 c5773d79ac258a5f3764971ece4dcc7cfa619210
sha256 adf7ab4abe12294db717b75be7070ea9795e482fc203223940907f1e593811b5
sha512 5eb76beb2a31b91935c80d00cf548f6320fb2a6115cc5b66f2e33c31a495c0b218ff04c43575287a6414e6208b40971e3574f9cb8d1379746972784926d461df
ripemd-160 112e255dd5519cdfd41b7c9d5186d592ed273e6a

21471812 as geometric shapes

Circle

Radius = n
Diameter 42943624
Circumference 134911373.67692
Area 1.4483958261263E+15

Sphere

Radius = n
Volume 4.1466243840225E+22
Surface area 5.7935833045052E+15
Circumference 134911373.67692

Square

Length = n
Perimeter 85887248
Area 461038710563344
Diagonal 30365727.739125

Cube

Length = n
Surface area 2766232263380064
Volume 9.8993365179385E+21
Space diagonal 37190269.314567

Equilateral Triangle

Length = n
Perimeter 64415436
Area 1.9963561773794E+14
Altitude 18595134.657284

Triangular Pyramid

Length = n
Surface area 1.9963561773794E+14
Volume 1.166647996847E+21
Height 10121909.246375