154897 (number)
154,897 (one hundred fiftyfour thousand eight hundred ninetyseven) is an odd sixdigits prime number following 154896 and preceding 154898. In scientific notation, it is written as 1.54897 × 10^{5}. The sum of its digits is 34. It has a total of 1 prime factor and 2 positive divisors. There are 154,896 positive integers (up to 154897) that are relatively prime to 154897.
Basic properties
 Is Prime? Yes
 Number parity Odd
 Number length 6
 Sum of Digits 34
 Digital Root 7
Name
Short name  154 thousand 897 

Full name  one hundred fiftyfour thousand eight hundred ninetyseven 
Notation
Scientific notation  1.54897 × 10^{5} 

Engineering notation  154.897 × 10^{3} 
Prime Factorization of 154897
Prime Factorization 154897
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  154897  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  11.950515658884  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 154,897 is 154897. Since it has a total of 1 prime factor, 154,897 is a prime number.
Divisors of 154897
2 divisors
τ(n)  Total Divisors  2  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  154898  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  77449  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  393.5695618312  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  1.9999870882774  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 154,897 can be divided by 2 positive divisors (out of which 0 are even, and 2 are odd). The sum of these divisors (counting 154,897) is 154,898, the average is 77,449.
Other Arithmetic Functions (n = 154897)
φ(n)  Euler Totient  154896  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  154896  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 14218  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 154,896 positive integers (less than 154,897) that are coprime with 154,897. And there are approximately 14,218 prime numbers less than or equal to 154,897.
Divisibility of 154897
m  2  3  4  5  6  7  8  9 

n mod m  1  1  1  2  1  1  1  7 
154,897 is not divisible by any number less than or equal to 9.
Classification of 154897
By Arithmetic functions
 Arithmetic
 Prime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Prime Power
 Square Free
Base conversion (154897)
Base  System  Value 

2  Binary  100101110100010001 
3  Ternary  21212110221 
4  Quaternary  211310101 
5  Quinary  14424042 
6  Senary  3153041 
8  Octal  456421 
10  Decimal  154897 
12  Duodecimal  75781 
16  Hexadecimal  25d11 
20  Vigesimal  j74h 
36  Base36  3bip 
Basic calculations (n = 154897)
Multiplication
n×yn×2  309794 

n×3  464691 
n×4  619588 
n×5  774485 
Division
n÷yn÷2  77448.500 

n÷3  51632.333 
n÷4  38724.250 
n÷5  30979.400 
Exponentiation
n^{y}n^{2}  23993080609 

n^{3}  3716456207092273 
n^{4}  575667917109971810881 
n^{5}  89169233356583303590034257 
Nth Root
^{y}√n^{2}√n  393.5695618312 

^{3}√n  53.704952341016 
^{4}√n  19.838587697495 
^{5}√n  10.914619529103 
154897 as geometric shapes
Circle
Radius = nDiameter  309794 

Circumference  973246.5545262 
Area  75376485778.222 
Sphere
Radius = nVolume  1.5567455356786E+16 

Surface area  301505943112.89 
Circumference  973246.5545262 
Square
Length = nPerimeter  619588 

Area  23993080609 
Diagonal  219057.43817091 
Cube
Length = nSurface area  143958483654 

Volume  3716456207092273 
Space diagonal  268289.47394 
Equilateral Triangle
Length = nPerimeter  464691 

Area  10389308661.221 
Altitude  134144.73697 
Triangular Pyramid
Length = nSurface area  41557234644.884 

Volume  4.379885643363E+14 
Height  126472.87089596 
Cryptographic Hash Functions
md5  f8e29c088e77727779967ced6e108bfc 

sha1  d06d574e7deaa19c18bd1f0d3e7790b1fd3daac1 
sha256  ade44d9864830d8ebe8d0450bf6a46ddedfa71fce03ab5e59bcb338e55955ad6 
sha512  29b1442ef82cce8bacc7e1fa2577937af547983b260d0963252a67626d598f46c6e7cc7a757e6a86fd442336cb9fab5c285eb7035dd152235f5abcc333101633 
ripemd160  1cbe218dbc44c575af93577fa282c1590b99fe5b 