{ "id": "1204.0877", "version": "v2", "published": "2012-04-04T07:06:17.000Z", "updated": "2013-02-13T07:12:08.000Z", "title": "The sum of the r'th roots of first n natural numbers and new formula for factorial", "authors": [ "Snehal Shekatkar" ], "categories": [ "math.NT" ], "abstract": "Using the simple properties of Riemman integrable functions, Ramanujan's formula for sum of the square roots of first n natural numbers has been generalized to include r'th roots where r is any real number greater than 1.As an application we derive formula that gives factorial of positive integer $n$ similar to Stirling's formula.", "revisions": [ { "version": "v2", "updated": "2013-02-13T07:12:08.000Z" } ], "analyses": { "keywords": [ "natural numbers", "rth roots", "real number greater", "stirlings formula", "riemman integrable functions" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1204.0877S" } } }