7445 (number)

7445 is an odd 4-digits composite number following 7444 and preceding 7446. In scientific notation, it is written as 7.445 × 10^3. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 5952 positive integers (up to 7445) that are relatively prime to 7445.

Interesting facts

Basic properties

Name

Name seven thousand four hundred forty-five

Notation

Scientific notation 7.445 × 10^3
Engineering notation 7.445 × 10^3

Prime Factorization of 7445

Prime Factorization 5 × 1489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 7445
Product of the distinct prime numbers

The prime factorization of 7445 is 5 × 1489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 7, 72, 240, 398, 5151, 1496, 30041, 25910, 462363, 213349, 6344695, 9651834, 32282160, 54176481, 573945188, 232712423, 4790213321, 8107058994

Basic calculations (n = 7445)

Multiplication

n×y
n×2 14890
n×3 22335
n×4 29780
n×5 37225

Division

n÷y
n÷2 3722.5
n÷3 2481.6666666667
n÷3 1861.25
n÷5 1489

Exponentiation

ny
n2 55428025
n3 412661646125
n4 3072265955400625
n5 2.2873020037958E+19

Nth Root

y√n
2√n 86.284413424442
3√n 19.526372381994
4√n 9.2889403822202
5√n 5.948027125474

Divisors of 7445

1, 5, 1489, 7445

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 -7444
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 7445 can be divided by 4 positive divisors. The sum of these divisors (counting 7445) is 1, the average is 0.25.

Base conversion 7445

Base System Value
2 Binary 1110100010101
3 Ternary 101012202
4 Quaternary 1310111
5 Quinary 214240
6 Senary 54245
8 Octal 16425
10 Decimal 7445
12 Duodecimal 4385
16 Hexadecimal 1d15
20 Vigesimal ic5
36 Base36 5qt

Cryptographic Hash Functions

md5 e9dcb63ca828d0e00cd05b445099ed2e
sha1 9a28ca844aa54ebe6a83f168a4092cd6bd51090a
sha256 4d24bf25aea82d0a9091410b3d11f87523d96d0633808ca71b08d8b0638f64ac
sha512 37beec84df43a6995d1e2e34053cbcaa8d675b0c9b4fa810d8dc4d1ee917db2d180fd804d1a34f41ac8a9c548c8805c32bb08cba0631296f4bcc2f1109cb9ffd
ripemd-160 f9e9ac8909f55cbc979716557678f359902f1eec

7445 as geometric shapes

Circle

Radius = n
Diameter 14890
Circumference 46778.314611952
Area 174132276.14299

Sphere

Radius = n
Volume 1728553061179.4
Surface area 696529104.57197
Circumference 46778.314611952

Square

Length = n
Perimeter 29780
Area 55428025
Diagonal 10528.819971868

Cube

Length = n
Surface area 332568150
Volume 412661646125
Space diagonal 12895.11826235

Equilateral Triangle

Length = n
Perimeter 22335
Area 24001038.865799
Altitude 6447.5591311751

Triangular Pyramid

Length = n
Surface area 24001038.865799
Volume 48632641385.098
Height 3509.6066572892