21:06Long-form

Sum of Natural Numbers (second proof and extra footage)

Published January 12, 2015

Views 1.79M  |  Likes 21.5K  |  Comments 3.35K
Views#549,544Global
Views#146,226Unknown country

Channel

NumberphileNumberphile
4.77M subs815 videosSep 2011

Based on an estimated $0.7–$2 CPM, this video's 1.79M views translate to an estimated $1.25K – $3.58K in lifetime ad revenue.

Revenue estimate

Based on an estimated $0.7–$2CPM (revenue per 1,000 views) — a rough public estimate, not actual creator earnings, which depend on ad rates, audience geography, and monetization settings YouTube doesn't expose publicly.

Total (all-time)$1.25K – $3.58K