21012922858531264

Names of 21012922858531264

• Cardinal: 21012922858531264 can be written as Twenty-one quadrillion, twelve trillion, nine hundred twenty-two billion, eight hundred fifty-eight million, five hundred thirty-one thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 2.1012922858531264 × 10¹⁶

Factors of 21012922858531264

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1815

Divisors of 21012922858531264

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 8 16 31 32 61 62 64 122 124 244 248 488 496 961 976 992 1721 1891 1922 1952 1984 3442 3721 3782 3844 3904 6884 7442 7564 7688 13768 14884 15128 15376 27536 29768 29791 30256 30752 53351 55072 58621 59536 59582 60512 61504 104981 106702 110144 115351 117242 119072 119164 121024 209962 213404 230702 234484 238144 238328 419924 426808 461404 468968 476656 839848 853616 922808 937936 953312 1653881 1679696 1707232 1817251 1845616 1875872 1906624 2961841 3254411 3307762 3359392 3414464 3575881 3634502 3691232 3751744 5923682 6403841 6508822 6615524 6718784 7151762 7269004 7382464 11847364 12807682 13017644 13231048 14303524 14538008 23694728 25615364 26035288 26462096 28607048 29076016 47389456 51230728 51270311 52070576 52924192 57214096 58152032 91817071 94778912 100886741 102461456 102540622 104141152 105848384 110852311 114428192 116304064 180672301 183634142 189557824 198519071 201773482 204922912 205081244 208282304 221704622 228856384 361344602 367268284 397038142 403546964 409845824 410162488 443409244 722689204 734536568 794076284 807093928 820324976 886818488 1445378408 1469073136 1588152568 1614187856 1640649952 1773636976 2846329201 2890756816 2938146272 3127488971 3176305136 3228375712 3281299904 3547273952 5600841331 5692658402 5781513632 5876292544 6154091201 6254977942 6352610272 6456751424 7094547904 11021010361 11201682662 11385316804 11563027264 12308182402 12509955884 12705220544 22042020722 22403365324 22770633608 24616364804 25019911768 44084041444 44806730648 45541267216 49232729608 50039823536 88168082888 88236205231 89613461296 91082534432 98465459216 100079647072 173626081261 176336165776 176472410462 179226922592 182165068864 190776827231 196930918432 200159294144 341651321191 347252162522 352672331552 352944820924 358453845184 381553654462 393861836864 683302642382 694504325044 705344663104 705889641848 763107308924 1366605284764 1389008650088 1411779283696 1526214617848 2733210569528 2778017300176 2823558567392 3052429235696 5382408519091 5466421139056 5556034600352 5647117134784 6104858471392 10591190956921 10764817038182 10932842278112 11112069200704 12209716942784 21182381913842 21529634076364 21865684556224 42364763827684 43059268152728 84729527655368 86118536305456 169459055310736 172237072610912 328326919664551 338918110621472 344474145221824 656653839329102 677836221242944 1313307678658204 2626615357316408 5253230714632816 10506461429265632 21012922858531264
• Sum of all divisors σ(n): 43830787800775872
• Sum of proper divisors (its aliquot sum) s(n): 22817864942244608
• 21012922858531264 is an abundant number, because the sum of its proper divisors (22817864942244608) is greater than itself. Its abundance is 1804942083713344

Bases of 21012922858531264

• Binary: 1001010101001110010010001011010101011001110100111000000₂
• Hexadecimal: 0x4AA7245AACE9C0
• Base-36: 5QWGJHWDN0G

Squares and roots of 21012922858531264

• 21012922858531264 squared (21012922858531264²) is 441542927058585707062747265437696
• 21012922858531264 cubed (21012922858531264³) is 9278107465012158170691746531269739016480660127744
• The square root of 21012922858531264 is 144958348.7024161157
• The cube root of 21012922858531264 is 275948.9983936335

Scales and comparisons

• 21,012,922,858,531,264 seconds is equal to 668,145,949 years, 34 weeks, 3 days, 10 hours, 41 minutes, 4 seconds.
• To count from 1 to 21,012,922,858,531,264 would take you about two billion, four million, four hundred thirty-seven thousand, eight hundred forty-eight 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 21012922858531264 cubic inches would be around 22995.7 feet tall.

Recreational maths with 21012922858531264

• 21012922858531264 backwards is 46213585822921012
• 21012922858531264 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21012922858531264's digits is 61
• More coming soon!