static Dictionary<int, string> ShortScaleDictionary = new Dictionary<int, string>()
    {
        //{ 4, "K"},
        { 7, "Million"},
        { 10, "Billion"},
        { 13, "Trillion"},
        { 16, "Quadrillion"},
        { 19, "Quintillion"},
        { 22, "Sextillion"},
        { 25, "Septillion"},
        { 28, "Octillion"},
        { 31, "Nonillion"},
        { 34, "Decillion"},
        { 37, "Undecillion"},
        { 40, "Duodecillion"},
        { 43, "Tredecillion"},
        { 46, "Quattuordecillion"},
        { 49, "Quinquadecillion"},
        { 52, "Sedecillion"},
        { 55, "Septendecillion"},
        { 58, "Octodecillion"},
        { 61, "Novendecillion"},
        { 64, "Vigintillion"},
        { 67, "Unvigintillion"},
        { 70, "Duovigintillion"},
        { 73, "Tresvigintillion"},
        { 76, "Quattuorvigintillion"},
        { 79, "Quinquavigintillion"},
        { 82, "Sesvigintillion"},
        { 85, "Septemvigintillion"},
        { 88, "Octovigintillion"},
        { 91, "Novemvigintillion"},
        { 94, "Trigintillion"},
        { 97, "Untrigintillion"},
        { 100, "Duotrigintillion"},
        { 103, "Trestrigintillion"},
        { 106, "Quattuortrigintillion"},
        { 109, "Quinquatrigintillion"},
        { 112, "Sestrigintillion"},
        { 115, "Septentrigintillion"},
        { 118, "Octotrigintillion"},
        { 121, "Noventrigintillion"},
        { 124, "Quadragintillion"},
        { 127, "Quinquagintillion"},
        { 130, "Sexagintillion"},
        { 133, "Septuagintillion"},
        { 136, "Octogintillion"},
        { 139, "Nonagintillion"},
        { 142, "Centillion"},
        { 145, "Uncentillion"},
        { 148, "Decicentillion"},
        { 151, "Undecicentillion"},
        { 154, "Viginticentillion"},
        { 157, "Unviginticentillion"},
        { 160, "Trigintacentillion"},
        { 163, "Quadragintacentillion"},
        { 166, "Quinquagintacentillion"},
        { 169, "Sexagintacentillion"},
        { 172, "Septuagintacentillion"},
        { 175, "Octogintacentillion"},
        { 178, "Nonagintacentillion"},
        { 181, "Ducentillion"},
        { 184, "Trecentillion"},
        { 187, "Quadringentillion"},
        { 190, "Quingentillion"},
        { 193, "Sescentillion"},
        { 196, "Septingentillion"},
        { 199, "Octingentillion"},
        { 202, "Nongentillion"},
        { 205, "Millinillion"}
    };

    public static string ConvertToShortScale(double inputNumber)
    {

        long roundedInput = (long)Math.Round(inputNumber, 0);
        double roundedInputWithDigits = Math.Round(inputNumber, 3);


        int shortscalekeySubstract = roundedInput.ToString().Length % 3;
        int shortscalekey = roundedInput.ToString().Length - shortscalekeySubstract;
        if (shortscalekeySubstract != 0)
            shortscalekey += 1;

        if (ShortScaleDictionary.ContainsKey(shortscalekey))
            return roundedInput/(Math.Pow(10,shortscalekey-1)) + " " +ShortScaleDictionary[shortscalekey];
        else
        {
            int i = shortscalekey-1;
            while(i > 0 )
            {
                if(ShortScaleDictionary.ContainsKey(i))
                    return roundedInput / (Math.Pow(10, i-1)) + " " + ShortScaleDictionary[i];
                i--;
            }

        }
            return inputNumber.ToString();
    }