#include <iostream>
#include <fstream>
#include <cassert>
#include <typeinfo>
#include <vector>
#include <stack>
#include <cmath>
#include <set>
#include <map>
#include <string>
#include <algorithm>
#include <cstdio>
#include <queue>
#include <iomanip>
#include <cctype>
#include <random>
#include <complex>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<char> vc;
typedef vector<vc> vvc;
typedef vector<string> vs;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<P,int> pip;
typedef vector<pip> vip;
const int inf=1<<28;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-8;
const ll mod=1e9+7;
const int dx[4]={0,1,0,-1},dy[4]={1,0,-1,0};

const double H=1.0/2;
const double ten=log(10);

ll n,m;

ll f(ll x){
	ll X=1,res=0;
	do{
		X*=x;
		res+=n/X;
	}while(X<INF/x);
	return res;
}

int main(){
	cin>>n>>m;
	long double N=n,x=N*log(N)-N+H*log(2*pi*N)+1.0/12/N-1.0/360/N/N/N;
	x/=ten;
	ll M=INF,m_=m;
	for(ll i=2;i*i<=m_;i++) if(m_%i==0){
		ll num=0;
		while(m_%i==0){
			m_/=i;
			num++;
		}
		M=min(M,f(i)/num);
	}
	if(m_!=1) M=min(M,f(m_));
	if(M!=INF) x-=(double)M*log(m)/ten;
	ll d=(ll)(x+eps);
	x-=d;
	for(int i=1;i<1000000;i++){
		double tmp=(double)i/100000;
		if(x<log(tmp)/ten){
			cout<<syosu(17)<<tmp<<'e'<<d<<endl;
			break;
		}
	}
}