21121952892768

Names of 21121952892768

• Cardinal: 21121952892768 can be written as Twenty-one trillion, one hundred twenty-one billion, nine hundred fifty-two million, eight hundred ninety-two thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1121952892768 × 10¹³

Factors of 21121952892768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 9488

Divisors of 21121952892768

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 72 78 81 84 91 96 104 108 112 117 126 144 156 162 168 182 189 208 216 224 234 252 273 288 312 324 336 351 364 378 416 432 468 504 546 567 624 648 672 702 728 756 819 864 936 1008 1053 1092 1134 1248 1296 1404 1456 1512 1638 1872 2016 2106 2184 2268 2457 2592 2808 2912 3024 3276 3744 4212 4368 4536 4914 5616 6048 6552 7371 8424 8736 9072 9463 9828 11232 13104 14742 16848 18144 18926 19656 26208 28389 29484 33696 37852 39312 56778 58968 66241 75704 78624 85167 113556 117936 123019 132482 151408 170334 198723 227112 235872 246038 255501 264964 302816 340668 369057 397446 454224 492076 511002 529928 596169 681336 738114 766503 794892 861133 908448 984152 1022004 1059856 1107171 1192338 1362672 1476228 1533006 1589784 1722266 1788507 1968304 2044008 2119712 2214342 2384676 2583399 2725344 2952456 3066012 3179568 3321513 3444532 3577014 3936608 4088016 4428684 4769352 5166798 5365521 5904912 6132024 6359136 6643026 6889064 7154028 7750197 8176032 8857368 9538704 9964539 10333596 10731042 11809824 12264048 13286052 13778128 14308056 15500394 17714736 19077408 19929078 20667192 21462084 23250591 24528096 26572104 27556256 28616112 31000788 35429472 39858156 41334384 42924168 46501182 53144208 57232224 62001576 69751773 79716312 82668768 85848336 89548369 93002364 106288416 124003152 139503546 159432624 171696672 179096738 186004728 248006304 268645107 279007092 318865248 358193476 372009456 537290214 558014184 626838583 716386952 744018912 805935321 1074580428 1116028368 1164128797 1253677166 1432773904 1611870642 1880515749 2149160856 2232056736 2328257594 2417805963 2507354332 2865547808 3223741284 3492386391 3761031498 4298321712 4656515188 4835611926 5014708664 5641547247 6447482568 6984772782 7253417889 7522062996 8148901579 8596643424 9313030376 9671223852 10029417328 10477159173 11283094494 12894965136 13969545564 14506835778 15044125992 16297803158 16924641741 18626060752 19342447704 20058834656 20954318346 22566188988 24446704737 25789930272 27939091128 29013671556 30088251984 31431477519 32595606316 33849283482 37252121504 38684895408 41908636692 45132377976 48893409474 50773925223 55878182256 58027343112 60176503968 62862955038 65191212632 67698566964 73340114211 77369790816 83817273384 90264755952 94294432557 97786818948 101547850446 111756364512 116054686224 125725910076 130382425264 135397133928 146680228422 167634546768 180529511904 188588865114 195573637896 203095700892 220020342633 232109372448 251451820152 260764850528 270794267856 293360456844 335269093536 377177730228 391147275792 406191401784 440040685266 502903640304 541588535712 586720913688 660061027899 754355460456 782294551584 812382803568 880081370532 1005807280608 1173441827376 1320122055798 1508710920912 1624765607136 1760162741064 2346883654752 2640244111596 3017421841824 3520325482128 5280488223192 7040650964256 10560976446384 21121952892768
• Sum of all divisors σ(n): 76462328427408
• Sum of proper divisors (its aliquot sum) s(n): 55340375534640
• 21121952892768 is an abundant number, because the sum of its proper divisors (55340375534640) is greater than itself. Its abundance is 34218422641872

Bases of 21121952892768

• Binary: 100110011010111010110011111111100011101100000₂
• Hexadecimal: 0x1335D67FC760
• Base-36: 7HJAHEE00

Squares and roots of 21121952892768

• 21121952892768 squared (21121952892768²) is 446136894004310483306701824
• 21121952892768 cubed (21121952892768³) is 9423282458884876407941218765598022008832
• The square root of 21121952892768 is 4595862.5841911331
• The cube root of 21121952892768 is 27642.5448707781

Scales and comparisons

• 21,121,952,892,768 seconds is equal to 671,612 years, 39 weeks, 6 days, 8 hours, 52 minutes, 48 seconds.
• To count from 1 to 21,121,952,892,768 would take you about one million, six hundred seventy-nine thousand and thirty-one 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 21121952892768 cubic inches would be around 2303.5 feet tall.

Recreational maths with 21121952892768

• 21121952892768 backwards is 86729825912112
• 21121952892768 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21121952892768's digits is 63
• More coming soon!