
The Number Concept: Audiobook
According to The Books Insider's catalog data, The Number Concept runs 5.5 hours as an unabridged audiobook, narrated by Mark Walkman (about 3.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 5.5 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 11 days |
| 1 hour / day | 6 days |
| 2 hours / day | 3 days |
| 1 hour / day at 1.5× | 4 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 5.5 hours, it is shorter than 74% of the 1,568 Economics audiobooks in our catalog.
About as long, on the Economics shelf
96 Economics audiobooks in our catalog run within 10% of this length. The most popular on the store:
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
The Number Concept is an audiobook by Levi Leonard Conant Ph.D.: a 5.5-hour unabridged recording, read by Mark Walkman, released August 30, 2020, on the Economics and Non-Fiction shelves.
The listen at a glance
- Length
- 5.5 hrs
- Narrated by
- Mark Walkman
- Released
- August 30, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Economics, Non-Fiction
- ISBN
- 9798868777370
How to listen to The Number Concept free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is The Number Concept as an audiobook?
The Number Concept runs 5.5 hours unabridged. At 1.5× speed that drops to roughly 3.7 hours.
Is The Number Concept free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Number Concept?
The Number Concept is narrated by Mark Walkman.