21241855 (number)

21241855 is an odd 8-digits composite number following 21241854 and preceding 21241856. In scientific notation, it is written as 2.1241855 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 16993480 positive integers (up to 21241855) that are relatively prime to 21241855.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-one thousand eight hundred fifty-five

Notation

Scientific notation 2.1241855 × 10^7
Engineering notation 2.1241855 × 10^6

Prime Factorization of 21241855

Prime Factorization 5 × 4248371

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21241855
Product of the distinct prime numbers

The prime factorization of 21241855 is 5 × 4248371. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21241855)

Multiplication

n×y
n×2 42483710
n×3 63725565
n×4 84967420
n×5 106209275

Division

n÷y
n÷2 10620927.5
n÷3 7080618.3333333
n÷3 5310463.75
n÷5 4248371

Exponentiation

ny
n2 451216403841025
n3 9.5846734240125E+21
n4 2.0359624309523E+29
n5 4.3247618743736E+36

Nth Root

y√n
2√n 4608.8886946855
3√n 276.94751967495
4√n 67.8887965329
5√n 29.20374098954

Divisors of 21241855

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 -21241854
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 21241855 can be divided by 4 positive divisors. The sum of these divisors (counting 21241855) is 1, the average is 0.25.

Base conversion 21241855

Base System Value
2 Binary 1010001000001111111111111
3 Ternary 1110222012100101
4 Quaternary 1101001333333
5 Quinary 20414214410
6 Senary 2035141531
8 Octal 121017777
10 Decimal 21241855
12 Duodecimal 71448a7
16 Hexadecimal 1441fff
20 Vigesimal 6cf4cf
36 Base36 cnabj

Cryptographic Hash Functions

md5 27bdc089ec433afc06ac037fcac883c7
sha1 a312b1240ba3b727c64afb013714ec99d71c9ceb
sha256 97f5f19adb8becd4aa35cec68393e7c731a7f760399aebdc129612dcd20eac3b
sha512 8a64cb0fb4fec16d8b4d369a0be91dbe076e087d22039798700580114214529cbc0f7a2798616d0aafa9c642800104d1748400cc5b3afbbb6c8296ee3f2617fe
ripemd-160 85277b57240d1fe8e978651859bc589ae05496e0

21241855 as geometric shapes

Circle

Radius = n
Diameter 42483710
Circumference 133466511.23324
Area 1.4175381394862E+15

Sphere

Radius = n
Volume 4.014818615458E+22
Surface area 5.6701525579447E+15
Circumference 133466511.23324

Square

Length = n
Perimeter 84967420
Area 451216403841025
Diagonal 30040519.430963

Cube

Length = n
Surface area 2707298423046150
Volume 9.5846734240125E+21
Space diagonal 36791972.107011

Equilateral Triangle

Length = n
Perimeter 63725565
Area 1.9538243416529E+14
Altitude 18395986.053505

Triangular Pyramid

Length = n
Surface area 1.9538243416529E+14
Volume 1.1295645955963E+21
Height 10013506.476988