21441805 (number)

21441805 is an odd 8-digits composite number following 21441804 and preceding 21441806. In scientific notation, it is written as 2.1441805 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 12988800 positive integers (up to 21441805) that are relatively prime to 21441805.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1441805 × 10^7
Engineering notation 2.1441805 × 10^6

Prime Factorization of 21441805

Prime Factorization 385 × 11 × 61 × 83

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21441805
Product of the distinct prime numbers

The prime factorization of 21441805 is 385 × 11 × 61 × 83. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21441805)

Multiplication

n×y
n×2 42883610
n×3 64325415
n×4 85767220
n×5 107209025

Division

n÷y
n÷2 10720902.5
n÷3 7147268.3333333
n÷3 5360451.25
n÷5 4288361

Exponentiation

ny
n2 459751001658025
n3 9.857891326106E+21
n4 2.1137098352556E+29
n5 4.5321754114132E+36

Nth Root

y√n
2√n 4630.5296673275
3√n 277.8137781193
4√n 68.047995321886
5√n 29.258514221339

Divisors of 21441805

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 -21441804
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 21441805 can be divided by 16 positive divisors. The sum of these divisors (counting 21441805) is 1, the average is 0.0625.

Base conversion 21441805

Base System Value
2 Binary 1010001110010110100001101
3 Ternary 1111100100121221
4 Quaternary 1101302310031
5 Quinary 20442114210
6 Senary 2043323341
8 Octal 121626415
10 Decimal 21441805
12 Duodecimal 7220551
16 Hexadecimal 1472d0d
20 Vigesimal 6e04a5
36 Base36 crklp

Cryptographic Hash Functions

md5 95d207b5b53d3ee3889a4ad1e706dabb
sha1 663b2ed51d38caa425369a9ed7228134c847485e
sha256 7f7209c6098261f8f61d67928814fb500f4bb2c6977a8598a1b68e98ff5a9f58
sha512 471f11d712c3a249383dba2cba2078f86aad2f190a529cf39209eb4e428434b130dff8d891ef4e5fc69e25d726a0c45bb49cd612f85fde10f64a9d9bc57d13cf
ripemd-160 406fd8b1e784134dd6bf3eb9da615c431677c4d6

21441805 as geometric shapes

Circle

Radius = n
Diameter 42883610
Circumference 134722834.13541
Area 1.4443503692894E+15

Sphere

Radius = n
Volume 4.1292638626642E+22
Surface area 5.7774014771576E+15
Circumference 134722834.13541

Square

Length = n
Perimeter 85767220
Area 459751001658025
Diagonal 30323291.432759

Cube

Length = n
Surface area 2758506009948150
Volume 9.857891326106E+21
Space diagonal 37138295.665984

Equilateral Triangle

Length = n
Perimeter 64325415
Area 1.990780234256E+14
Altitude 18569147.832992

Triangular Pyramid

Length = n
Surface area 1.990780234256E+14
Volume 1.1617636341483E+21
Height 10107763.81092