21605738396022

Names of 21605738396022

• Cardinal: 21605738396022 can be written as Twenty-one trillion, six hundred five billion, seven hundred thirty-eight million, three hundred ninety-six thousand and twenty-two.

Scientific notation

• Scientific notation: 2.1605738396022 × 10¹³

Factors of 21605738396022

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 904

Divisors of 21605738396022

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 81 99 149 162 198 297 298 447 594 739 891 894 1341 1478 1639 1782 2217 2682 3278 4023 4434 4917 6651 8046 8129 9834 12069 13302 14751 16258 19953 22201 24138 24387 29502 39906 44253 44402 48774 59859 66603 73161 88506 110111 119718 132759 133206 146322 199809 219483 220222 244211 265518 330333 399618 438966 488422 546121 599427 658449 660666 732633 990999 1092242 1198854 1211221 1316898 1465266 1638363 1798281 1981998 2197899 2422442 2972997 3276726 3596562 3633663 4395798 4915089 5945994 6007331 6593697 7267326 8918991 9830178 10900989 12014662 13187394 14745267 16406539 17837982 18021993 19781091 21801978 29490534 32702967 32813078 36043986 39562182 44235801 49219617 54065979 65405934 81372029 88471602 98108901 98439234 108131958 147658851 162197937 162744058 180471929 196217802 244116087 295317702 324395874 360943858 442976553 486593811 488232174 541415787 732348261 885953106 895092319 973187622 1082831574 1328929659 1464696522 1624247361 1790184638 2197044783 2657859318 2685276957 3248494722 4394089566 4872742083 5370553914 6591134349 8055830871 9745484166 12124432321 13182268698 14618226249 16111661742 24167492613 24248864642 29236452498 36373296963 48334985226 72502477839 72746593926 109119890889 133368755531 145004955678 218239781778 266737511062 327359672667 400106266593 654719345334 800212533186 982079018001 1200318799779 1964158036002 2400637599558 3600956399337 7201912798674 10802869198011 21605738396022
• Sum of all divisors σ(n): 53242909759116
• Sum of proper divisors (its aliquot sum) s(n): 31637171363094
• 21605738396022 is an abundant number, because the sum of its proper divisors (31637171363094) is greater than itself. Its abundance is 10031432967072

Bases of 21605738396022

• Binary: 100111010011001111010010111001011100101110110₂
• Hexadecimal: 0x13A67A5CB976
• Base-36: 7NPJESPDI

Squares and roots of 21605738396022

• 21605738396022 squared (21605738396022²) is 466807931637339305305424484
• 21605738396022 cubed (21605738396022³) is 10085730052144474750413397745754007002648
• The square root of 21605738396022 is 4648197.3275692589
• The cube root of 21605738396022 is 27851.9990124679

Scales and comparisons

• 21,605,738,396,022 seconds is equal to 686,995 years, 33 weeks, 5 days, 14 hours, 53 minutes, 42 seconds.
• To count from 1 to 21,605,738,396,022 would take you about one million, seven hundred seventeen thousand, four hundred eighty-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 21605738396022 cubic inches would be around 2321 feet tall.

Recreational maths with 21605738396022

• 21605738396022 backwards is 22069383750612
• 21605738396022 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21605738396022's digits is 54
• More coming soon!