13145 (number)

13145 is an odd 5-digits composite number following 13144 and preceding 13146. In scientific notation, it is written as 1.3145 × 10^4. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 9520 positive integers (up to 13145) that are relatively prime to 13145.

Interesting facts

Basic properties

Name

Name thirteen thousand one hundred forty-five

Notation

Scientific notation 1.3145 × 10^4
Engineering notation 1.3145 × 10^3

Prime Factorization of 13145

Prime Factorization 55 × 239

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13145
Product of the distinct prime numbers

The prime factorization of 13145 is 55 × 239. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 9, 12, 79, 11, 629, 49, 5463, 18494, 27922, 154319, 866390, 4020369, 1134684, 66630938, 55224574, 609522844, 464489217, 7286265438, 8042046985

Basic calculations (n = 13145)

Multiplication

n×y
n×2 26290
n×3 39435
n×4 52580
n×5 65725

Division

n÷y
n÷2 6572.5
n÷3 4381.6666666667
n÷3 3286.25
n÷5 2629

Exponentiation

ny
n2 172791025
n3 2271338023625
n4 29856738320550625
n5 3.9246682522364E+20

Nth Root

y√n
2√n 114.65164630305
3√n 23.600445265945
4√n 10.707550901259
5√n 6.6642628504586

Divisors of 13145

1, 55, 239, 13145

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 -13144
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 13145 can be divided by 4 positive divisors. The sum of these divisors (counting 13145) is 1, the average is 0.25.

Base conversion 13145

Base System Value
2 Binary 11001101011001
3 Ternary 200000212
4 Quaternary 3031121
5 Quinary 410040
6 Senary 140505
8 Octal 31531
10 Decimal 13145
12 Duodecimal 7735
16 Hexadecimal 3359
20 Vigesimal 1ch5
36 Base36 a55

Cryptographic Hash Functions

md5 9ef2480a65cde87091d69a3b8a7fec3a
sha1 b493eb7fc30d72fcae6d1e6b6c51b0333451a648
sha256 4fb2dcff8d0809c9b67979ba6245b473d24679f158e6d06b69b1e9b0a715bdda
sha512 d07ac359108eef7ce51859fde2f1f79fc3c36cceb80a9f77fd1d6f9444dc03cf4d804481ae06b6802d3b9db0f43c2465627d164dfe302ab0d1ede9432241bbd5
ripemd-160 413d07be4bfe1f337b6ddb0a4b46744e5d5c6366

13145 as geometric shapes

Circle

Radius = n
Diameter 26290
Circumference 82592.470862876
Area 542839014.74625

Sphere

Radius = n
Volume 9514158465119.3
Surface area 2171356058.985
Circumference 82592.470862876

Square

Length = n
Perimeter 52580
Area 172791025
Diagonal 18589.837277394

Cube

Length = n
Surface area 1036746150
Volume 2271338023625
Space diagonal 22767.807865493

Equilateral Triangle

Length = n
Perimeter 39435
Area 74820708.597976
Altitude 11383.903932746

Triangular Pyramid

Length = n
Surface area 74820708.597976
Volume 267679753145.35
Height 6196.6124257981