31249 (number)
31,249 (thirtyone thousand two hundred fortynine) is an odd fivedigits prime number following 31248 and preceding 31250. In scientific notation, it is written as 3.1249 × 10^{4}. The sum of its digits is 19. It has a total of 1 prime factor and 2 positive divisors. There are 31,248 positive integers (up to 31249) that are relatively prime to 31249.
Basic properties
 Is Prime? Yes
 Number parity Odd
 Number length 5
 Sum of Digits 19
 Digital Root 1
Name
Short name  31 thousand 249 

Full name  thirtyone thousand two hundred fortynine 
Notation
Scientific notation  3.1249 × 10^{4} 

Engineering notation  31.249 × 10^{3} 
Prime Factorization of 31249
Prime Factorization 31249
Prime numberω(n)  Distinct Factors  1  Total number of distinct prime factors 

Ω(n)  Total Factors  1  Total number of prime factors 
rad(n)  Radical  31249  Product of the distinct prime numbers 
λ(n)  Liouville Lambda  1  Returns the parity of Ω(n), such that λ(n) = (1)^{Ω(n)} 
μ(n)  Mobius Mu  1  Returns:

Λ(n)  Mangoldt function  10.349742654653  Returns log(p) if n is a power p^{k} of any prime p (for any k >= 1), else returns 0 
The prime factorization of 31,249 is 31249. Since it has a total of 1 prime factor, 31,249 is a prime number.
Divisors of 31249
2 divisors
τ(n)  Total Divisors  2  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  31250  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  1  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  15625  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  176.77386684688  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  1.999936  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 31,249 can be divided by 2 positive divisors (out of which 0 are even, and 2 are odd). The sum of these divisors (counting 31,249) is 31,250, the average is 15,625.
Other Arithmetic Functions (n = 31249)
φ(n)  Euler Totient  31248  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  31248  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 3369  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  8  The number of ways n can be represented as the sum of 2 squares 
There are 31,248 positive integers (less than 31,249) that are coprime with 31,249. And there are approximately 3,369 prime numbers less than or equal to 31,249.
Divisibility of 31249
m  2  3  4  5  6  7  8  9 

n mod m  1  1  1  4  1  1  1  1 
31,249 is not divisible by any number less than or equal to 9.
Classification of 31249
By Arithmetic functions
 Arithmetic
 Prime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Prime Power
 Square Free
Base conversion (31249)
Base  System  Value 

2  Binary  111101000010001 
3  Ternary  1120212101 
4  Quaternary  13220101 
5  Quinary  1444444 
6  Senary  400401 
8  Octal  75021 
10  Decimal  31249 
12  Duodecimal  16101 
16  Hexadecimal  7a11 
20  Vigesimal  3i29 
36  Base36  o41 
Basic calculations (n = 31249)
Multiplication
n×yn×2  62498 

n×3  93747 
n×4  124996 
n×5  156245 
Division
n÷yn÷2  15624.500 

n÷3  10416.333 
n÷4  7812.250 
n÷5  6249.800 
Exponentiation
n^{y}n^{2}  976500001 

n^{3}  30514648531249 
n^{4}  953552251953000001 
n^{5}  29797554321279297031249 
Nth Root
^{y}√n^{2}√n  176.77386684688 

^{3}√n  31.497690264841 
^{4}√n  13.295633375168 
^{5}√n  7.9244152450742 
31249 as geometric shapes
Circle
Radius = nDiameter  62498 

Circumference  196343.25766405 
Area  3067765229.372 
Sphere
Radius = nVolume  1.278194608702E+14 

Surface area  12271060917.488 
Circumference  196343.25766405 
Square
Length = nPerimeter  124996 

Area  976500001 
Diagonal  44192.759610597 
Cube
Length = nSurface area  5859000006 

Volume  30514648531249 
Space diagonal  54124.85568572 
Equilateral Triangle
Length = nPerimeter  93747 

Area  422836903.83076 
Altitude  27062.42784286 
Triangular Pyramid
Length = nSurface area  1691347615.3231 

Volume  3596185816995 
Height  25514.701657411 
Cryptographic Hash Functions
md5  e996baa3ea3551a5a981b7f0e13d5374 

sha1  b2d34e72ada78bfadcb7bcab863624e5a6c9e6d7 
sha256  3b5ce352563d682789efe3197eb64d1b148fcac3a4ba2c7ef494e13a01182e2e 
sha512  997f8984e08fecf2921b3e1975a8a71e7d0dfdd1271f001fad3a64de432616de99f482eea2be9112adabbed9cc90bdfdfcdbd662251f6560e0a887342a52c654 
ripemd160  f512dd750d1f9269a243ec56e83ba7d177a7d15a 