12845 (number)

12845 is an odd 5-digits composite number following 12844 and preceding 12846. In scientific notation, it is written as 1.2845 × 10^4. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 8784 positive integers (up to 12845) that are relatively prime to 12845.

Interesting facts

Basic properties

Name

Name twelve thousand eight hundred forty-five

Notation

Scientific notation 1.2845 × 10^4
Engineering notation 1.2845 × 10^3

Prime Factorization of 12845

Prime Factorization 5 × 7 × 367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12845
Product of the distinct prime numbers

The prime factorization of 12845 is 5 × 7 × 367. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 6, 7, 56, 426, 121, 5139, 9205, 59057, 12090, 722019, 84644, 5509990, 5620078, 78979823, 4184904, 922974967, 529086631, 151832974, 9231006784

Basic calculations (n = 12845)

Multiplication

n×y
n×2 25690
n×3 38535
n×4 51380
n×5 64225

Division

n÷y
n÷2 6422.5
n÷3 4281.6666666667
n÷3 3211.25
n÷5 2569

Exponentiation

ny
n2 164994025
n3 2119348251125
n4 27223028285700625
n5 3.4967979832982E+20

Nth Root

y√n
2√n 113.33578428722
3√n 23.419522510376
4√n 10.64592806134
5√n 6.6335624449715

Divisors of 12845

1, 5, 7, 35, 367, 1835, 2569, 12845

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 -12844
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 12845 can be divided by 8 positive divisors. The sum of these divisors (counting 12845) is 1, the average is 0.125.

Base conversion 12845

Base System Value
2 Binary 11001000101101
3 Ternary 122121202
4 Quaternary 3020231
5 Quinary 402340
6 Senary 135245
8 Octal 31055
10 Decimal 12845
12 Duodecimal 7525
16 Hexadecimal 322d
20 Vigesimal 1c25
36 Base36 9wt

Cryptographic Hash Functions

md5 2c6013eae59ce171ddbcdb7a0a0becef
sha1 cdd6f293a3e75bc6cd866093efe88160234712f3
sha256 a402603dcea9982bdac75c3f9981c3f945efc3dae4d88942981e927c17f1eafb
sha512 edf430e85c111cd930dfcf65f341d45ad6d2150218612b02a4ab6df132c41124d6557b106323bb825c0ab015db8774d659d297e2bb63bca79c86724bf684ab37
ripemd-160 e8a6316f2eb2e2c1195631dd029cde5db3ae0de5

12845 as geometric shapes

Circle

Radius = n
Diameter 25690
Circumference 80707.515270722
Area 518344016.82621

Sphere

Radius = n
Volume 8877505194843.6
Surface area 2073376067.3048
Circumference 80707.515270722

Square

Length = n
Perimeter 51380
Area 164994025
Diagonal 18165.573208682

Cube

Length = n
Surface area 989964150
Volume 2119348251125
Space diagonal 22248.192623222

Equilateral Triangle

Length = n
Perimeter 38535
Area 71444508.561322
Altitude 11124.096311611

Triangular Pyramid

Length = n
Surface area 71444508.561322
Volume 249767586677.72
Height 6055.1910695608