21373945 (number)

21373945 is an odd 8-digits composite number following 21373944 and preceding 21373946. In scientific notation, it is written as 2.1373945 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 17099152 positive integers (up to 21373945) that are relatively prime to 21373945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1373945 × 10^7
Engineering notation 2.1373945 × 10^6

Prime Factorization of 21373945

Prime Factorization 5 × 4274789

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21373945
Product of the distinct prime numbers

The prime factorization of 21373945 is 5 × 4274789. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21373945)

Multiplication

n×y
n×2 42747890
n×3 64121835
n×4 85495780
n×5 106869725

Division

n÷y
n÷2 10686972.5
n÷3 7124648.3333333
n÷3 5343486.25
n÷5 4274789

Exponentiation

ny
n2 456845524863025
n3 9.7645911219184E+21
n4 2.0870783358737E+29
n5 4.4609097561657E+36

Nth Root

y√n
2√n 4623.196405086
3√n 277.52038916281
4√n 67.994090957126
5√n 29.239970996484

Divisors of 21373945

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 -21373944
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 21373945 can be divided by 4 positive divisors. The sum of these divisors (counting 21373945) is 1, the average is 0.25.

Base conversion 21373945

Base System Value
2 Binary 1010001100010001111111001
3 Ternary 1111012220112121
4 Quaternary 1101202033321
5 Quinary 20432431240
6 Senary 2042041241
8 Octal 121421771
10 Decimal 21373945
12 Duodecimal 71a9221
16 Hexadecimal 14623f9
20 Vigesimal 6dbeh5
36 Base36 cq48p

Cryptographic Hash Functions

md5 7428a1589ab649c3a2d508e1284b6f94
sha1 6bae3047556a5454e5f1f44cfc16bf4434d76ebd
sha256 1ab1376488dae627021844747704d8bd9f48f8f84b902491ebae628b0388076b
sha512 68f0670d5b73ebfac7814a626149f0c7ab0073243836b50b8c57bfecbbd2e9c31a85de492ef8bbc1d0ef3cbf675dc22e9396686d8e6f75a02659a1546e898a87
ripemd-160 96c3373c0aaf1f7625df3d924ef3f210007ed415

21373945 as geometric shapes

Circle

Radius = n
Diameter 42747890
Circumference 134296457.18046
Area 1.4352225447351E+15

Sphere

Radius = n
Volume 4.0901823645236E+22
Surface area 5.7408901789402E+15
Circumference 134296457.18046

Square

Length = n
Perimeter 85495780
Area 456845524863025
Diagonal 30227322.900417

Cube

Length = n
Surface area 2741073149178150
Volume 9.7645911219184E+21
Space diagonal 37020758.698183

Equilateral Triangle

Length = n
Perimeter 64121835
Area 1.9781991506831E+14
Altitude 18510379.349091

Triangular Pyramid

Length = n
Surface area 1.9781991506831E+14
Volume 1.1507680996371E+21
Height 10075774.300139