12985 (number)

12985 is an odd 5-digits composite number following 12984 and preceding 12986. In scientific notation, it is written as 1.2985 × 10^4. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 8736 positive integers (up to 12985) that are relatively prime to 12985.

Interesting facts

Basic properties

Name

Name twelve thousand nine hundred eighty-five

Notation

Scientific notation 1.2985 × 10^4
Engineering notation 1.2985 × 10^3

Prime Factorization of 12985

Prime Factorization 245 × 53

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12985
Product of the distinct prime numbers

The prime factorization of 12985 is 245 × 53. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 5, 16, 84, 765, 33, 1775, 5039, 25753, 45590, 61865, 895005, 3185985, 4993892, 48187115, 98902755, 231751779, 338934338, 1107018277, 9503536981

Basic calculations (n = 12985)

Multiplication

n×y
n×2 25970
n×3 38955
n×4 51940
n×5 64925

Division

n÷y
n÷2 6492.5
n÷3 4328.3333333333
n÷3 3246.25
n÷5 2597

Exponentiation

ny
n2 168610225
n3 2189403771625
n4 28429407974550625
n5 3.6915586254954E+20

Nth Root

y√n
2√n 113.9517441727
3√n 23.504299801718
4√n 10.674818226682
5√n 6.6479598945068

Divisors of 12985

1, 53, 245, 12985

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 -12984
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 12985 can be divided by 4 positive divisors. The sum of these divisors (counting 12985) is 1, the average is 0.25.

Base conversion 12985

Base System Value
2 Binary 11001010111001
3 Ternary 122210221
4 Quaternary 3022321
5 Quinary 403420
6 Senary 140041
8 Octal 31271
10 Decimal 12985
12 Duodecimal 7621
16 Hexadecimal 32b9
20 Vigesimal 1c95
36 Base36 a0p

Cryptographic Hash Functions

md5 2e37d41c9bf5cbd339a02696196e9a7b
sha1 6ca4aefce166a509fdfa185454356210dbdc3899
sha256 47d510caf8ec104d44f2025607a9879d58e18356b88c6174f144ede9c0ed8267
sha512 33d9b31ba21de45ef08fc0f2082d89fef3bba7b5ff9fdc6fb6d3d2b5a0873ebfabcdc95e600c7662996d5e9a9a5ad0772ed4f184b9c04d2a43de577cbf582138
ripemd-160 372a9cb6b7738177818f2ede4f01b5ec5c332972

12985 as geometric shapes

Circle

Radius = n
Diameter 25970
Circumference 81587.161213727
Area 529704644.18012

Sphere

Radius = n
Volume 9170953072905.2
Surface area 2118818576.7205
Circumference 81587.161213727

Square

Length = n
Perimeter 51940
Area 168610225
Diagonal 18363.563107415

Cube

Length = n
Surface area 1011661350
Volume 2189403771625
Space diagonal 22490.679736282

Equilateral Triangle

Length = n
Perimeter 38955
Area 73010369.093905
Altitude 11245.339868141

Triangular Pyramid

Length = n
Surface area 73010369.093905
Volume 258023708945.24
Height 6121.1877024715