12898994290

Names of 12898994290

• Cardinal: 12898994290 can be written as Twelve billion, eight hundred ninety-eight million, nine hundred ninety-four thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.289899429 × 10¹⁰

Factors of 12898994290

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2144

Divisors of 12898994290

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 7 10 13 14 17 26 31 34 35 62 65 70 85 91 119 130 155 169 170 182 217 221 238 310 338 403 434 442 455 527 595 806 845 910 1054 1085 1105 1183 1190 1547 1690 2015 2069 2170 2210 2366 2635 2821 2873 3094 3689 4030 4138 5239 5270 5642 5746 5915 6851 7378 7735 10345 10478 11830 13702 14105 14365 14483 15470 18445 20111 20690 26195 26897 28210 28730 28966 34255 35173 36673 36890 40222 47957 52390 53794 64139 68510 70346 72415 73346 89063 95914 100555 128278 134485 144830 175865 178126 183365 188279 201110 239785 246211 268970 320695 349661 351730 366730 376558 445315 448973 457249 479570 492422 623441 641390 699322 833807 890630 897946 914498 941395 1090363 1231055 1246882 1667614 1748305 1882790 2180726 2244865 2286245 2447627 2462110 3117205 3200743 3496610 4169035 4489730 4572490 4895254 5451815 5836649 5944237 6234410 6401486 7632541 8338070 10839491 10903630 11673298 11888474 12238135 14174719 15265082 16003715 21678982 24476270 28349438 29183245 29721185 32007430 38162705 41609659 54197455 58366490 59442370 70873595 75876437 76325410 83219318 99223033 108394910 141747190 151752874 184271347 198446066 208048295 368542694 379382185 416096590 496115165 758764370 921356735 992230330 1289899429 1842713470 2579798858 6449497145 12898994290
• Sum of all divisors σ(n): 31420016640
• Sum of proper divisors (its aliquot sum) s(n): 18521022350
• 12898994290 is an abundant number, because the sum of its proper divisors (18521022350) is greater than itself. Its abundance is 5622028060

Bases of 12898994290

• Binary: 1100000000110101110000100001110010₂
• Hexadecimal: 0x300D70872
• Base-36: 5XBQ7OY

Squares and roots of 12898994290

• 12898994290 squared (12898994290²) is 166384053693452604100
• 12898994290 cubed (12898994290³) is 2146186958538898550671530589000
• The square root of 12898994290 is 113573.7394383051
• The cube root of 12898994290 is 2345.2291494453

Scales and comparisons

• 12,898,994,290 seconds is equal to 410 years, 7 weeks, 4 days, 21 hours, 58 minutes, 10 seconds.
• To count from 1 to 12,898,994,290 would take you about eight hundred twenty 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 12898994290 cubic inches would be around 195.4 feet tall.

Recreational maths with 12898994290

• 12898994290 backwards is 09249989821
• The number of decimal digits it has is: 11
• The sum of 12898994290's digits is 61
• More coming soon!