18980081988

Names of 18980081988

• Cardinal: 18980081988 can be written as Eighteen billion, nine hundred eighty million, eighty-one thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8980081988 × 10¹⁰

Factors of 18980081988

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 414

Divisors of 18980081988

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 23 28 42 46 49 69 84 92 98 138 147 161 196 276 294 322 343 379 483 529 588 644 686 758 966 1029 1058 1127 1137 1372 1516 1587 1932 2058 2116 2254 2274 2653 3174 3381 3703 4116 4508 4548 5306 6348 6762 7406 7889 7959 8717 10612 11109 12167 13524 14812 15778 15918 17434 18571 22218 23667 24334 25921 26151 31556 31836 34868 36501 37142 44436 47334 48668 51842 52302 55713 61019 73002 74284 77763 85169 94668 103684 104604 111426 122038 129997 146004 155526 170338 181447 183057 200491 222852 244076 255507 259994 311052 340676 362894 366114 389991 400982 427133 511014 519988 544341 596183 601473 725788 732228 779982 801964 854266 1022028 1088682 1192366 1202946 1281399 1403437 1559964 1708532 1788549 2177364 2384732 2405892 2562798 2806874 2989931 3577098 4173281 4210311 4611293 5125596 5613748 5979862 7154196 8346562 8420622 8969793 9222586 9824059 11959724 12519843 13833879 16693124 16841244 17939586 18445172 19648118 25039686 27667758 29472177 32279051 35879172 39296236 50079372 55335516 58944354 64558102 68768413 96837153 117888708 129116204 137536826 193674306 206305239 225953357 275073652 387348612 412610478 451906714 677860071 825220956 903813428 1355720142 1581673499 2711440284 3163346998 4745020497 6326693996 9490040994 18980081988
• Sum of all divisors σ(n): 54136320000
• Sum of proper divisors (its aliquot sum) s(n): 35156238012
• 18980081988 is an abundant number, because the sum of its proper divisors (35156238012) is greater than itself. Its abundance is 16176156024

Bases of 18980081988

• Binary: 10001101011010011010001000101000100₂
• Hexadecimal: 0x46B4D1144
• Base-36: 8PW90ZO

Squares and roots of 18980081988

• 18980081988 squared (18980081988²) is 360243512271202032144
• 18980081988 cubed (18980081988³) is 6837451398552498661405331422272
• The square root of 18980081988 is 137768.2183524197
• The cube root of 18980081988 is 2667.4688796115

Scales and comparisons

• 18,980,081,988 seconds is equal to 603 years, 26 weeks, 2 days, 20 hours, 59 minutes, 48 seconds.
• To count from 1 to 18,980,081,988 would take you about one thousand, two hundred 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 18980081988 cubic inches would be around 222.3 feet tall.

Recreational maths with 18980081988

• 18980081988 backwards is 88918008981
• The number of decimal digits it has is: 11
• The sum of 18980081988's digits is 60
• More coming soon!