12445 (number)

12445 is an odd 5-digits composite number following 12444 and preceding 12446. In scientific notation, it is written as 1.2445 × 10^4. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 9360 positive integers (up to 12445) that are relatively prime to 12445.

Interesting facts

Basic properties

Name

Name twelve thousand four hundred forty-five

Notation

Scientific notation 1.2445 × 10^4
Engineering notation 1.2445 × 10^3

Prime Factorization of 12445

Prime Factorization 95 × 131

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12445
Product of the distinct prime numbers

The prime factorization of 12445 is 95 × 131. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 48, 34, 458, 10, 3270, 8192, 21887, 16025, 610727, 98907, 5894335, 7548349, 41198304, 98764153, 792578930, 553470599, 5717643726, 9778310847

Basic calculations (n = 12445)

Multiplication

n×y
n×2 24890
n×3 37335
n×4 49780
n×5 62225

Division

n÷y
n÷2 6222.5
n÷3 4148.3333333333
n÷3 3111.25
n÷5 2489

Exponentiation

ny
n2 154878025
n3 1927457021125
n4 23987202627900625
n5 2.9852073670422E+20

Nth Root

y√n
2√n 111.55716023636
3√n 23.173855804691
4√n 10.562062309812
5√n 6.5917234737282

Divisors of 12445

1, 95, 131, 12445

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 -12444
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 12445 can be divided by 4 positive divisors. The sum of these divisors (counting 12445) is 1, the average is 0.25.

Base conversion 12445

Base System Value
2 Binary 11000010011101
3 Ternary 122001221
4 Quaternary 3002131
5 Quinary 344240
6 Senary 133341
8 Octal 30235
10 Decimal 12445
12 Duodecimal 7251
16 Hexadecimal 309d
20 Vigesimal 1b25
36 Base36 9lp

Cryptographic Hash Functions

md5 571ac6dcf08ffecf9796cb9706c75eec
sha1 2233c15a7f3371fc6e6a8afeb5089b5411db19a1
sha256 60f7bb33004989478770c16b44f28ed4283af6f6b588f11d49427c74387d787d
sha512 59187124e114566a62bbd1adfcc7f65f25be84521bb6662088698d04cf4dda3fcb7731a569429bd63f82ef97a307557360ccd0dc4f1bdb1a6b769e0d635df11b
ripemd-160 1de55a66dec473fbc857d019535a00ecce157a02

12445 as geometric shapes

Circle

Radius = n
Diameter 24890
Circumference 78194.24114785
Area 486563665.5425

Sphere

Radius = n
Volume 8073713090235.2
Surface area 1946254662.17
Circumference 78194.24114785

Square

Length = n
Perimeter 49780
Area 154878025
Diagonal 17599.887783733

Cube

Length = n
Surface area 929268150
Volume 1927457021125
Space diagonal 21555.372300195

Equilateral Triangle

Length = n
Perimeter 37335
Area 67064152.068981
Altitude 10777.686150097

Triangular Pyramid

Length = n
Surface area 67064152.068981
Volume 227152988347.19
Height 5866.6292612444