21931473 (number)

21931473 is an odd 8-digits composite number following 21931472 and preceding 21931474. In scientific notation, it is written as 2.1931473 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14620980 positive integers (up to 21931473) that are relatively prime to 21931473.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand four hundred seventy-three

Notation

Scientific notation 2.1931473 × 10^7
Engineering notation 2.1931473 × 10^6

Prime Factorization of 21931473

Prime Factorization 3 × 7310491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21931473
Product of the distinct prime numbers

The prime factorization of 21931473 is 3 × 7310491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931473)

Multiplication

n×y
n×2 43862946
n×3 65794419
n×4 87725892
n×5 109657365

Division

n÷y
n÷2 10965736.5
n÷3 7310491
n÷3 5482868.25
n÷5 4386294.6

Exponentiation

ny
n2 480989507949729
n3 1.0548808406883E+22
n4 2.3135090675772E+29
n5 5.0738661650825E+36

Nth Root

y√n
2√n 4683.10505968
3√n 279.9126981229
4√n 68.433216055363
5√n 29.390945692818

Divisors of 21931473

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 -21931472
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 21931473 can be divided by 4 positive divisors. The sum of these divisors (counting 21931473) is 1, the average is 0.25.

Base conversion 21931473

Base System Value
2 Binary 1010011101010010111010001
3 Ternary 1112021020022210
4 Quaternary 1103222113101
5 Quinary 21103301343
6 Senary 2102022333
8 Octal 123522721
10 Decimal 21931473
12 Duodecimal 74179a9
16 Hexadecimal 14ea5d1
20 Vigesimal 6h18dd
36 Base36 d22fl

Cryptographic Hash Functions

md5 bd421dfdb52aa54f528ac64e42307881
sha1 fd9c41f8dd964b38efcd70ed48501174930c8343
sha256 27431841bc1e66e42b0e687430108130a49e187a73048c925e1fd19f856d876f
sha512 eca2cac6a5f2dd1c58f9a60119a34c079e3d3ac1e3d7b1985bb5231ab4b9d1d0d57d67f3ae5e45f44e73c9aa3a9d31082aa855acbddc63ecdbbbe168ad82ba05
ripemd-160 36a908e423fa60b87f941f4fff126147ed864828

21931473 as geometric shapes

Circle

Radius = n
Diameter 43862946
Circumference 137799508.91841
Area 1.5110731046286E+15

Sphere

Radius = n
Volume 4.4186745326919E+22
Surface area 6.0442924185146E+15
Circumference 137799508.91841

Square

Length = n
Perimeter 87725892
Area 480989507949729
Diagonal 31015786.559419

Cube

Length = n
Surface area 2885937047698374
Volume 1.0548808406883E+22
Space diagonal 37986425.520825

Equilateral Triangle

Length = n
Perimeter 65794419
Area 2.0827456641912E+14
Altitude 18993212.760413

Triangular Pyramid

Length = n
Surface area 2.0827456641912E+14
Volume 1.2431889929907E+21
Height 10338595.519806