13211216928

Names of 13211216928

• Cardinal: 13211216928 can be written as Thirteen billion, two hundred eleven million, two hundred sixteen thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3211216928 × 10¹⁰

Factors of 13211216928

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 180

Divisors of 13211216928

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 23 24 26 28 31 32 36 39 42 46 48 49 52 56 62 63 69 72 78 84 91 92 93 96 98 101 104 112 117 124 126 138 144 147 156 161 168 182 184 186 196 202 207 208 217 224 234 248 252 273 276 279 288 294 299 303 312 322 336 364 368 372 392 403 404 414 416 434 441 468 483 496 504 546 552 558 588 598 606 624 637 644 651 672 707 713 728 736 744 784 806 808 819 828 868 882 897 909 936 966 992 1008 1092 1104 1116 1127 1176 1196 1209 1212 1248 1274 1288 1302 1313 1414 1426 1449 1456 1488 1519 1568 1612 1616 1638 1656 1736 1764 1794 1818 1872 1911 1932 1953 2016 2093 2121 2139 2184 2208 2232 2254 2323 2352 2392 2418 2424 2548 2576 2604 2626 2691 2821 2828 2852 2898 2912 2976 3038 3131 3224 3232 3276 3312 3381 3472 3528 3588 3627 3636 3744 3822 3864 3906 3939 4186 4242 4278 4368 4464 4508 4557 4646 4704 4784 4836 4848 4949 4991 5096 5152 5208 5252 5382 5642 5656 5704 5733 5796 6076 6262 6279 6363 6417 6448 6552 6624 6762 6944 6969 7056 7176 7254 7272 7644 7728 7812 7878 8372 8463 8484 8556 8736 8928 9016 9114 9191 9269 9292 9393 9568 9672 9696 9898 9982 10143 10192 10416 10504 10764 11284 11312 11408 11466 11592 11817 12152 12524 12558 12726 12834 12896 13104 13524 13671 13938 14112 14352 14508 14544 14651 14847 14973 15288 15456 15624 15756 16261 16744 16926 16968 17112 18032 18228 18382 18538 18584 18786 18837 19344 19747 19796 19964 20286 20384 20832 20907 21008 21528 21917 22568 22624 22816 22932 23184 23634 24304 25048 25116 25389 25452 25668 26208 27048 27342 27573 27807 27876 28179 28704 29016 29088 29302 29694 29946 30199 30576 31248 31512 32522 33488 33852 33936 34224 34937 36064 36456 36764 37076 37168 37572 37674 38688 39494 39592 39928 40572 40703 41814 42016 43056 43834 43953 44541 44919 45136 45864 46368 47268 48608 48783 50096 50232 50778 50904 51336 54096 54684 55146 55614 55752 56358 58032 58604 59241 59388 59892 60398 61152 62496 63024 64337 64883 65044 65751 66976 67704 67872 68448 69874 72013 72912 73528 74152 74336 75144 75348 78988 79184 79856 81144 81406 82719 83421 83628 86112 87668 87906 89082 89838 90272 90597 91728 94536 97566 100192 100464 101556 101808 102672 104811 108192 109368 110292 111228 111504 112716 113827 116064 117208 118482 118776 119784 120796 122109 126048 128674 129766 130088 131502 131859 135408 139748 144026 145824 146349 147056 148304 150288 150696 153419 157976 158368 159712 162288 162812 165438 166842 167256 175336 175812 177723 178164 179676 181194 183456 189072 193011 194649 195132 197253 200928 203112 203616 205344 209622 211393 216039 218736 220584 222456 223008 225432 227654 234416 236964 237552 239568 241592 244218 257348 259532 260176 263004 263718 270816 271791 279496 284921 288052 292698 294112 296608 300576 301392 306838 314433 315952 324576 325624 330876 333684 334512 341481 350672 351624 355446 356328 359352 362388 366327 378144 386022 389298 390264 394506 406224 419244 422786 432078 437472 441168 444912 450864 454181 455308 460257 468832 473928 475104 479136 483184 488436 504091 514696 519064 520352 526008 527436 543582 558992 569842 576104 579033 583947 585396 602784 613676 628866 631904 634179 648117 651248 661752 667368 669024 682962 701344 703248 710892 712656 718704 724776 732654 772044 778596 780528 789012 812448 838488 845572 854763 864156 882336 889824 901728 908362 910616 920514 936169 947856 966368 976872 1008182 1024443 1029392 1038128 1052016 1054872 1087164 1117984 1139684 1152208 1158066 1167894 1170792 1227352 1257732 1268358 1296234 1302496 1323504 1334736 1362543 1365924 1380771 1406496 1421784 1425312 1437408 1449552 1465308 1479751 1512273 1544088 1557192 1561056 1578024 1676976 1691144 1709526 1728312 1816724 1821232 1841028 1872338 1895712 1902537 1953744 1994447 2016364 2048886 2058784 2076256 2104032 2109744 2174328 2279368 2304416 2316132 2335788 2341584 2454704 2515464 2536716 2564289 2592468 2647008 2669472 2725086 2731848 2761542 2808507 2843568 2899104 2930616 2959502 3024546 3088176 3114384 3156048 3353952 3382288 3419052 3456624 3528637 3633448 3642464 3682056 3744676 3805074 3907488 3988894 4032728 4087629 4097772 4219488 4348656 4439253 4536819 4558736 4632264 4671576 4683168 4909408 5030928 5073432 5128578 5184936 5450172 5463696 5523084 5617014 5687136 5861232 5919004 5983341 6049092 6176352 6228768 6312096 6553183 6764576 6838104 6913248 7057274 7266896 7364112 7489352 7610148 7977788 8065456 8175258 8195544 8425521 8697312 8878506 9073638 9117472 9264528 9343152 10061856 10146864 10257156 10369872 10585911 10900344 10927392 11046168 11234028 11722464 11838008 11966682 12098184 13106366 13317759 13676208 14114548 14533792 14728224 14978704 15220296 15955576 16130912 16350516 16391088 16851042 17757012 17950023 18147276 18529056 18686304 19659549 20293728 20514312 20739744 21171822 21800688 22092336 22468056 23676016 23933364 24196368 26212732 26635518 27352416 28229096 29957408 30440592 31757733 31911152 32701032 32782176 33702084 35514024 35900046 36294552 39319098 41028624 42343644 43601376 44184672 44936112 45872281 47352032 47866728 48392736 52425464 53271036 56458192 58978647 60881184 63515466 63822304 65402064 67404168 71028048 71800092 72589104 78638196 82057248 84687288 89872224 91744562 95733456 104850928 106542072 112916384 117957294 127030932 130804128 134808336 137616843 142056096 143600184 145178208 157276392 169374576 183489124 191466912 209701856 213084144 235914588 254061864 269616672 275233686 287200368 314552784 338749152 366978248 412850529 426168288 471829176 508123728 550467372 574400736 629105568 733956496 825701058 943658352 1016247456 1100934744 1467912992 1651402116 1887316704 2201869488 3302804232 4403738976 6605608464 13211216928
• Sum of all divisors σ(n): 51197432832
• Sum of proper divisors (its aliquot sum) s(n): 37986215904
• 13211216928 is an abundant number, because the sum of its proper divisors (37986215904) is greater than itself. Its abundance is 24774998976

Bases of 13211216928

• Binary: 1100010011011100110010110000100000₂
• Hexadecimal: 0x313732C20
• Base-36: 62HM880

Squares and roots of 13211216928

• 13211216928 squared (13211216928²) is 174536252718673757184
• 13211216928 cubed (13211216928³) is 2305836296466628762618622410752
• The square root of 13211216928 is 114940.0579780609
• The cube root of 13211216928 is 2364.0007386601

Scales and comparisons

• 13,211,216,928 seconds is equal to 420 years, 3 weeks, 6 days, 14 hours, 28 minutes, 48 seconds.
• To count from 1 to 13,211,216,928 would take you about eight hundred forty 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 13211216928 cubic inches would be around 197 feet tall.

Recreational maths with 13211216928

• 13211216928 backwards is 82961211231
• 13211216928 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13211216928's digits is 36
• More coming soon!