diff --git a/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.2d.js b/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.2d.js
index 9251be2057a5..59e8801d2083 100644
--- a/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.2d.js
+++ b/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.2d.js
@@ -25,6 +25,7 @@ var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
 var sqrt = require( '@stdlib/math/base/special/sqrt' );
 var isArrayArray = require( '@stdlib/assert/is-array-array' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var fillednd = require( './../lib' );
 
@@ -89,7 +90,7 @@ function main() {
 		N = floor( sqrt( pow( 10, i ) ) );
 
 		f = createBenchmark( N );
-		bench( pkg+'::2d,equidimensional:size='+(N*N), f );
+		bench( format( '%s::2d,equidimensional:size=%d', pkg, N*N ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.3d.js b/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.3d.js
index 69e75344b3e2..e0442d35d078 100644
--- a/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.3d.js
+++ b/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.3d.js
@@ -25,6 +25,7 @@ var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
 var cbrt = require( '@stdlib/math/base/special/cbrt' );
 var isArrayArray = require( '@stdlib/assert/is-array-array' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var fillednd = require( './../lib' );
 
@@ -89,7 +90,7 @@ function main() {
 		N = floor( cbrt( pow( 10, i ) ) );
 
 		f = createBenchmark( N );
-		bench( pkg+'::3d,equidimensional:size='+(N*N*N), f );
+		bench( format( pkg+'%s::3d,equidimensional:size=%d', pkg, N*N*N ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.4d.js b/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.4d.js
index 198ba412c27a..8e2d3a17c4f3 100644
--- a/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.4d.js
+++ b/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.4d.js
@@ -24,6 +24,7 @@ var bench = require( '@stdlib/bench' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
 var isArrayArray = require( '@stdlib/assert/is-array-array' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var fillednd = require( './../lib' );
 
@@ -88,7 +89,7 @@ function main() {
 		N = floor( pow( pow( 10, i ), 1.0/4.0 ) );
 
 		f = createBenchmark( N );
-		bench( pkg+'::4d,equidimensional:size='+(N*N*N*N), f );
+		bench( format( '%s::4d,equidimensional:size=%d', pkg, N*N*N*N ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.5d.js b/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.5d.js
index 4c588b926f28..659ce1a65190 100644
--- a/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.5d.js
+++ b/lib/node_modules/@stdlib/array/base/fillednd/benchmark/benchmark.size.5d.js
@@ -24,6 +24,7 @@ var bench = require( '@stdlib/bench' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
 var isArrayArray = require( '@stdlib/assert/is-array-array' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var fillednd = require( './../lib' );
 
@@ -88,7 +89,7 @@ function main() {
 		N = floor( pow( pow( 10, i ), 1.0/5.0 ) );
 
 		f = createBenchmark( N );
-		bench( pkg+'::5d,equidimensional:size='+(N*N*N*N*N), f );
+		bench( format( '%s::5d,equidimensional:size=%d', pkg, N*N*N*N*N ), f );
 	}
 }