20721340765716

Names of 20721340765716

• Cardinal: 20721340765716 can be written as Twenty trillion, seven hundred twenty-one billion, three hundred forty million, seven hundred sixty-five thousand, seven hundred sixteen.

Scientific notation

• Scientific notation: 2.0721340765716 × 10¹³

Factors of 20721340765716

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1744

Divisors of 20721340765716

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 12 73 146 219 269 292 311 433 438 538 622 653 807 866 876 933 1076 1244 1299 1306 1614 1732 1866 1959 2598 2612 3228 3732 3918 5196 7836 19637 22703 31609 39274 45406 47669 58911 63218 68109 78548 83659 90812 94827 95338 116477 117822 126436 134663 136218 143007 167318 175657 189654 190676 203083 232954 235644 250977 269326 272436 282749 286014 334636 349431 351314 379308 403989 406166 465908 501954 526971 538652 565498 572028 609249 698862 702628 807978 812332 848247 1003908 1053942 1130996 1218498 1397724 1615956 1696494 2107884 2436996 3392988 6107107 8502821 9830399 12214214 12822961 14825059 17005642 18321321 19660798 20640677 24428428 25508463 25645922 29491197 29650118 34011284 36224347 36642642 38468883 39321596 41281354 44475177 51016926 51291844 54629327 58982394 59300236 61922031 72448694 73285284 76059481 76937766 82562708 87934939 88950354 102033852 108673041 109258654 117964788 123844062 144897388 152118962 153875532 163887981 175869878 177900708 217346082 218517308 228178443 247688124 263804817 304237924 327775962 351739756 434692164 456356886 527609634 655551924 912713772 1055219268 2644377331 3987940871 5288754662 5552342113 6419250547 7933131993 7975881742 10577509324 11104684226 11963822613 12838501094 15866263986 15951763484 16657026339 19257751641 22209368452 23654498591 23927645226 25677002188 31732527972 33314052678 38515503282 47308997182 47855290452 66628105356 70963495773 77031006564 94617994364 141926991546 283853983092 1726778397143 3453556794286 5180335191429 6907113588572 10360670382858 20721340765716
• Sum of all divisors σ(n): 49542234094080
• Sum of proper divisors (its aliquot sum) s(n): 28820893328364
• 20721340765716 is an abundant number, because the sum of its proper divisors (28820893328364) is greater than itself. Its abundance is 8099552562648

Bases of 20721340765716

• Binary: 100101101100010010000001001111101011000010100₂
• Hexadecimal: 0x12D89027D614
• Base-36: 7CF93A6FO

Squares and roots of 20721340765716

• 20721340765716 squared (20721340765716²) is 429373963128923745200992656
• 20721340765716 cubed (20721340765716³) is 8897204205920406309610111642802332581696
• The square root of 20721340765716 is 4552069.9429727571
• The cube root of 20721340765716 is 27466.6662849535

Scales and comparisons

• 20,721,340,765,716 seconds is equal to 658,874 years, 28 weeks, 22 hours, 28 minutes, 36 seconds.
• To count from 1 to 20,721,340,765,716 would take you about one million, six hundred forty-seven thousand, one hundred eighty-six 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 20721340765716 cubic inches would be around 2288.9 feet tall.

Recreational maths with 20721340765716

• 20721340765716 backwards is 61756704312702
• The number of decimal digits it has is: 14
• The sum of 20721340765716's digits is 51
• More coming soon!