1998386279188

Names of 1998386279188

• Cardinal: 1998386279188 can be written as One trillion, nine hundred ninety-eight billion, three hundred eighty-six million, two hundred seventy-nine thousand, one hundred eighty-eight.

Scientific notation

• Scientific notation: 1.998386279188 × 10¹²

Factors of 1998386279188

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 202

Divisors of 1998386279188

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 13 26 43 47 52 86 94 97 172 188 194 388 559 611 1118 1222 1261 1849 2021 2209 2236 2444 2522 3698 4042 4171 4418 4559 5044 7396 8084 8342 8836 9118 9409 16684 18236 18818 24037 26273 28717 37636 48074 52546 54223 57434 59267 86903 94987 96148 105092 108446 114868 118534 122317 173806 179353 189974 196037 214273 216892 237068 244634 347612 358706 379948 392074 404587 428546 442223 489268 717412 784148 809174 857092 884446 1129739 1234831 1618348 1768892 2259478 2331589 2469662 2548481 2785549 4084441 4518956 4663178 4939324 5096962 5259631 5571098 5748899 8168882 8429591 9213739 9326356 10193924 10519262 11142196 11497798 16337764 16859182 17397241 18427478 19015589 20784481 21038524 22995596 33718364 34794482 36854956 38031178 41568962 53097733 69588964 76062356 83137924 106195466 109584683 119778607 212390932 219169366 226164133 239557214 247202657 270198253 396190777 438338732 452328266 479114428 494405314 540396506 792381554 817670327 893732683 904656532 988810628 1080793012 1584763108 1635340654 1787465366 3270681308 3574930732 5150480101 10300960202 10629714251 11618524879 20601920404 21259428502 23237049758 38430505369 42518857004 46474099516 76861010738 153722021476 499596569797 999193139594 1998386279188
• Sum of all divisors σ(n): 3980629366686
• Sum of proper divisors (its aliquot sum) s(n): 1982243087498
• 1998386279188 is a deficient number, because the sum of its proper divisors (1982243087498) is less than itself. Its deficiency is 16143191690

Bases of 1998386279188

• Binary: 11101000101001001000110101011001100010100₂
• Hexadecimal: 0x1D1491AB314
• Base-36: PI1NLDLG

Squares and roots of 1998386279188

• 1998386279188 squared (1998386279188²) is 3993547720846859081939344
• 1998386279188 cubed (1998386279188³) is 7980650970622872421113331267265572672
• The square root of 1998386279188 is 1413642.9107762681
• The cube root of 1998386279188 is 12595.8209857977

Scales and comparisons

• 1,998,386,279,188 seconds is equal to 63,542 years, 26 weeks, 19 hours, 46 minutes, 28 seconds.
• To count from 1 to 1,998,386,279,188 would take you about one hundred fifty-eight thousand, eight hundred fifty-six 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 1998386279188 cubic inches would be around 1049.7 feet tall.

Recreational maths with 1998386279188

• 1998386279188 backwards is 8819726838991
• The number of decimal digits it has is: 13
• The sum of 1998386279188's digits is 79
• More coming soon!