21040536042428

Names of 21040536042428

• Cardinal: 21040536042428 can be written as Twenty-one trillion, forty billion, five hundred thirty-six million, forty-two thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1040536042428 × 10¹³

Factors of 21040536042428

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 13613

Divisors of 21040536042428

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 19 28 38 76 133 266 532 1171 2342 4027 4684 8054 8197 8387 16108 16394 16774 22249 28189 32788 33548 44498 56378 58709 76513 88996 112756 117418 153026 155743 159353 234836 306052 311486 318706 535591 622972 637412 1071182 1115471 2142364 2230942 4461884 4715617 9431234 9821177 18862468 19642354 33009319 33774449 39284708 66018638 67548898 68748239 89596723 132037276 135097796 137496478 179193446 186602363 236421143 274992956 358386892 373204726 472842286 627177061 641714531 746409452 945684572 1254354122 1283429062 1306216541 2508708244 2566858124 2612433082 4492001717 5224866164 8984003434 17968006868 39549879779 79099759558 158199519116 276849158453 553698316906 751447715801 1107396633812 1502895431602 3005790863204 5260134010607 10520268021214 21040536042428
• Sum of all divisors σ(n): 44349989160960
• Sum of proper divisors (its aliquot sum) s(n): 23309453118532
• 21040536042428 is an abundant number, because the sum of its proper divisors (23309453118532) is greater than itself. Its abundance is 2268917076104

Bases of 21040536042428

• Binary: 100110010001011100001101011010011101110111100₂
• Hexadecimal: 0x1322E1AD3BBC
• Base-36: 7GHVZWQ7W

Squares and roots of 21040536042428

• 21040536042428 squared (21040536042428²) is 442704156952711724616135184
• 21040536042428 cubed (21040536042428³) is 9314732770496233310597531571832007586752
• The square root of 21040536042428 is 4586996.4075011003
• The cube root of 21040536042428 is 27606.9820790603

Scales and comparisons

• 21,040,536,042,428 seconds is equal to 669,023 years, 50 weeks, 17 hours, 7 minutes, 8 seconds.
• To count from 1 to 21,040,536,042,428 would take you about one million, six hundred seventy-two thousand, five hundred fifty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21040536042428 cubic inches would be around 2300.6 feet tall.

Recreational maths with 21040536042428

• 21040536042428 backwards is 82424063504012
• The number of decimal digits it has is: 14
• The sum of 21040536042428's digits is 41
• More coming soon!