218220548988

Names of 218220548988

• Cardinal: 218220548988 can be written as Two hundred eighteen billion, two hundred twenty million, five hundred forty-eight thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 2.18220548988 × 10¹¹

Factors of 218220548988

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 138

Divisors of 218220548988

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 12 13 19 23 26 31 38 39 46 47 52 57 62 69 76 78 92 93 94 114 124 138 141 156 169 186 188 228 247 276 282 299 338 372 403 437 494 507 564 589 598 611 676 713 741 806 874 893 897 988 1014 1081 1178 1196 1209 1222 1311 1426 1457 1482 1612 1748 1767 1786 1794 1833 2028 2139 2162 2197 2356 2418 2444 2622 2679 2852 2914 2964 3211 3243 3534 3572 3588 3666 3887 4278 4324 4371 4394 4836 5239 5244 5358 5681 5828 6422 6486 6591 7068 7332 7657 7774 7943 8556 8742 8788 9269 9633 10478 10716 11362 11609 11661 12844 12972 13182 13547 14053 15314 15548 15717 15886 17043 17484 18538 18941 19266 20539 20956 22724 22971 23218 23322 23829 26364 27094 27683 27807 28106 28561 30628 31434 31772 33511 34086 34827 37076 37882 38532 40641 41078 41743 42159 45942 46436 46644 47658 50531 54188 55366 55614 56212 56823 57122 61617 62868 67022 68107 68172 69654 73853 75764 81282 82156 83049 83486 84318 85683 91884 95316 99541 100533 101062 103259 110732 111228 113646 114244 120497 123234 125229 134044 136214 139308 147706 150917 151593 162564 166098 166972 168636 171366 176111 182689 199082 201066 202124 204321 206518 221559 227292 240994 246233 246468 250458 267007 272428 295412 298623 301834 303186 309777 332196 342732 352222 359879 361491 365378 398164 402132 408642 413036 435643 443118 452751 481988 492466 500916 528333 534014 542659 548067 597246 603668 606372 619554 636709 656903 704444 719758 722982 730756 738699 801021 817284 871286 885391 886236 905502 960089 984932 1056666 1068028 1079637 1085318 1096134 1194492 1239108 1273418 1294033 1306929 1313806 1342367 1439516 1445964 1477398 1566461 1602042 1627977 1742572 1770782 1811004 1910127 1920178 1961921 1970709 2113332 2159274 2170636 2192268 2289443 2374957 2546836 2588066 2613858 2627612 2656173 2684734 2880267 2954796 3132922 3201029 3204084 3255954 3471091 3541564 3820254 3840356 3882099 3923842 3941418 4027101 4318548 4578886 4678427 4699383 4749914 5176132 5227716 5312346 5369468 5663359 5760534 5885763 6265844 6402058 6511908 6868329 6942182 7124871 7640508 7764198 7847684 7882836 8054202 8277217 9157772 9356854 9398766 9499828 9603087 10413273 10624692 11326718 11521068 11771526 12481157 12804116 13736658 13884364 14035281 14249742 15528396 16108404 16554434 16822429 16990077 18713708 18797532 19206174 20363993 20826546 22653436 23543052 24831651 24962314 25504973 27473316 28070562 28499484 29762759 30874441 33108868 33644858 33980154 37443471 38412348 40727986 41613377 41653092 45124183 49663302 49924628 50467287 51009946 56141124 59525518 60819551 61091979 61748882 67289716 67960308 73623667 74886942 76514919 81455972 83226754 89288277 90248366 92623323 99326604 100934574 102019892 107603821 119051036 121639102 122183958 123497764 124840131 135372549 147247334 149773884 153029838 166453508 178576554 180496732 182458653 185246646 201869148 215207642 220871001 243278204 244367916 249680262 270745098 294494668 306059676 322811463 357153108 364917306 370493292 386915867 430415284 441742002 499360524 541490196 586614379 645622926 729834612 773831734 790654163 883484004 957107671 1160747601 1173228758 1291245852 1398849673 1547663468 1581308326 1759843137 1914215342 2321495202 2346457516 2371962489 2797699346 2871323013 3162616652 3519686274 3828430684 4196549019 4642990404 4743924978 5595398692 5742646026 7039372548 8393098038 9487849956 11485292052 16786196076 18185045749 36370091498 54555137247 72740182996 109110274494 218220548988
• Sum of all divisors σ(n): 638741053440
• Sum of proper divisors (its aliquot sum) s(n): 420520504452
• 218220548988 is an abundant number, because the sum of its proper divisors (420520504452) is greater than itself. Its abundance is 202299955464

Bases of 218220548988

• Binary: 11001011001110111101010101001101111100₂
• Hexadecimal: 0x32CEF5537C
• Base-36: 2S8YVP8C

Squares and roots of 218220548988

• 218220548988 squared (218220548988²) is 47620208000624107824144
• 218220548988 cubed (218220548988³) is 10391707932818942656012409841166272
• The square root of 218220548988 is 467140.8235082865
• The cube root of 218220548988 is 6020.4905817943

Scales and comparisons

• 218,220,548,988 seconds is equal to 6,938 years, 38 weeks, 2 days, 19 hours, 9 minutes, 48 seconds.
• To count from 1 to 218,220,548,988 would take you about thirteen thousand, eight hundred seventy-seven 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 218220548988 cubic inches would be around 501.7 feet tall.

Recreational maths with 218220548988

• 218220548988 backwards is 889845022812
• 218220548988 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 218220548988's digits is 57
• More coming soon!