21473945 (number)

21473945 is an odd 8-digits composite number following 21473944 and preceding 21473946. In scientific notation, it is written as 2.1473945 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 17162496 positive integers (up to 21473945) that are relatively prime to 21473945.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-three thousand nine hundred forty-five

Notation

Scientific notation 2.1473945 × 10^7
Engineering notation 2.1473945 × 10^6

Prime Factorization of 21473945

Prime Factorization 5 × 2293 × 1873

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21473945
Product of the distinct prime numbers

The prime factorization of 21473945 is 5 × 2293 × 1873. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21473945)

Multiplication

n×y
n×2 42947890
n×3 64421835
n×4 85895780
n×5 107369725

Division

n÷y
n÷2 10736972.5
n÷3 7157981.6666667
n÷3 5368486.25
n÷5 4294789

Exponentiation

ny
n2 461130313863025
n3 9.9022869977273E+21
n4 2.1264116636341E+29
n5 4.5662447112238E+36

Nth Root

y√n
2√n 4633.9988131203
3√n 277.95251763967
4√n 68.073480982834
5√n 29.267280324107

Divisors of 21473945

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21473944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21473945 can be divided by 8 positive divisors. The sum of these divisors (counting 21473945) is 1, the average is 0.125.

Base conversion 21473945

Base System Value
2 Binary 1010001111010101010011001
3 Ternary 1111101222201022
4 Quaternary 1101322222121
5 Quinary 20444131240
6 Senary 2044132225
8 Octal 121725231
10 Decimal 21473945
12 Duodecimal 7237075
16 Hexadecimal 147aa99
20 Vigesimal 6e44h5
36 Base36 cs9eh

Cryptographic Hash Functions

md5 147456f8443b269d98028bedab6d7947
sha1 894a255b10124343d396a52d3dfc30eaadfc56e3
sha256 caed7e632b57753dd2dd9975de9ae86e5d8b0d664feb02cb1af9d38d73a2af1f
sha512 507da5b17278e0532aa1498f6a86cc6721fc6842c4913f18d2d793fc779e08f062d3548d9b6f0dffd2a495d7d911006fe7ad331ae735efc64981c3ab88c7fee6
ripemd-160 6954d0fdd3f6d075fa040fc1dcb738aec474dcc6

21473945 as geometric shapes

Circle

Radius = n
Diameter 42947890
Circumference 134924775.71118
Area 1.4486836063796E+15

Sphere

Radius = n
Volume 4.1478602781064E+22
Surface area 5.7947344255185E+15
Circumference 134924775.71118

Square

Length = n
Perimeter 85895780
Area 461130313863025
Diagonal 30368744.256654

Cube

Length = n
Surface area 2766781883178150
Volume 9.9022869977273E+21
Space diagonal 37193963.77894

Equilateral Triangle

Length = n
Perimeter 64421835
Area 1.9967528313024E+14
Altitude 18596981.88947

Triangular Pyramid

Length = n
Surface area 1.9967528313024E+14
Volume 1.1669957142247E+21
Height 10122914.752218