This is a helper function to convert a float number to time format "hh:mm:ss".

anotherConvertFloatToHHMMSS

const anotherConvertFloatToHHMMSS = secs => new Date(secs * 1000).toISOString().substr(11, 8);

convertFloatToHHMMSS

const convertSecondsToHHMMSS = secs => {
  const format = val => `0${Math.floor(val)}`.slice(-2);
  const mins = (secs % 3600) / 60;
  const hrs = secs / 3600;
  
  return [hrs, mins, secs % 60].map(format).join(':');
};