21226704772

Names of 21226704772

• Cardinal: 21226704772 can be written as Twenty-one billion, two hundred twenty-six million, seven hundred four thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 2.1226704772 × 10¹⁰

Factors of 21226704772

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 800

Divisors of 21226704772

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 13 14 19 26 28 31 38 52 62 76 91 124 133 181 182 217 247 266 362 364 403 434 494 532 547 589 724 806 868 988 1094 1178 1267 1612 1729 2188 2353 2356 2534 2821 3439 3458 3829 4123 4706 5068 5611 5642 6878 6916 7111 7657 7658 8246 9412 10393 11222 11284 13756 14222 15314 15316 16471 16492 16957 20786 22444 24073 28444 30628 32942 33914 39277 41572 44707 48146 49777 53599 65884 67828 72751 72943 78554 89414 96292 99007 99554 106609 107198 118699 135109 145502 145886 157108 178828 198014 199108 213218 214396 220441 237398 270218 291004 291772 312949 322183 396028 426436 440882 474796 510601 540436 625898 644366 693049 746263 881764 945763 1021202 1251796 1287091 1288732 1385917 1386098 1492526 1543087 1881133 1891526 2042404 2255281 2574182 2771834 2772196 2985052 3069217 3086174 3762266 3783052 4188379 4510562 5148364 5543668 6138434 6172348 7524532 8376758 9009637 9021124 9701419 12276868 13167931 16753516 18019274 19402838 21484519 24454729 26335862 29318653 36038548 38805676 39899821 42969038 48909458 52671724 58315123 58637306 79799642 85938076 97818916 116630246 117274612 159599284 171183103 233260492 279298747 342366206 408205861 558597494 684732412 758096599 816411722 1117194988 1516193198 1632823444 3032386396 5306676193 10613352386 21226704772
• Sum of all divisors σ(n): 50043535360
• Sum of proper divisors (its aliquot sum) s(n): 28816830588
• 21226704772 is an abundant number, because the sum of its proper divisors (28816830588) is greater than itself. Its abundance is 7590125816

Bases of 21226704772

• Binary: 10011110001001101011100111110000100₂
• Hexadecimal: 0x4F135CF84
• Base-36: 9R1TY84

Squares and roots of 21226704772

• 21226704772 squared (21226704772²) is 450572995477647571984
• 21226704772 cubed (21226704772³) is 9564179953239716135566986307648
• The square root of 21226704772 is 145693.8734882151
• The cube root of 21226704772 is 2768.8166202451

Scales and comparisons

• 21,226,704,772 seconds is equal to 674 years, 49 weeks, 10 hours, 52 minutes, 52 seconds.
• To count from 1 to 21,226,704,772 would take you about one thousand, three hundred forty-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 21226704772 cubic inches would be around 230.7 feet tall.

Recreational maths with 21226704772

• 21226704772 backwards is 27740762212
• The number of decimal digits it has is: 11
• The sum of 21226704772's digits is 40
• More coming soon!