12129386880

Names of 12129386880

• Cardinal: 12129386880 can be written as Twelve billion, one hundred twenty-nine million, three hundred eighty-six thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.212938688 × 10¹⁰

Factors of 12129386880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1341

Divisors of 12129386880

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 29 30 32 39 40 48 52 58 60 64 65 78 80 87 96 104 116 120 128 130 145 156 160 169 174 192 195 208 232 240 260 290 312 320 338 348 377 384 390 416 435 464 480 507 520 580 624 640 676 696 754 780 832 845 870 928 960 1014 1040 1131 1160 1248 1289 1352 1392 1508 1560 1664 1690 1740 1856 1885 1920 2028 2080 2262 2320 2496 2535 2578 2704 2784 3016 3120 3380 3480 3712 3770 3867 4056 4160 4524 4640 4901 4992 5070 5156 5408 5568 5655 6032 6240 6445 6760 6960 7540 7734 8112 8320 9048 9280 9802 10140 10312 10816 11136 11310 12064 12480 12890 13520 13920 14703 15080 15468 16224 16757 18096 18560 19335 19604 20280 20624 21632 22620 24128 24505 24960 25780 27040 27840 29406 30160 30936 32448 33514 36192 37381 38670 39208 40560 41248 45240 48256 49010 50271 51560 54080 55680 58812 60320 61872 64896 67028 72384 73515 74762 77340 78416 81120 82496 83785 90480 98020 100542 103120 108160 112143 117624 120640 123744 134056 144768 147030 149524 154680 156832 162240 164992 167570 180960 186905 196040 201084 206240 217841 224286 235248 241280 247488 251355 268112 294060 299048 309360 313664 324480 335140 361920 373810 392080 402168 412480 435682 448572 470496 485953 494976 502710 536224 560715 588120 598096 618720 627328 653523 670280 723840 747620 784160 804336 824960 871364 897144 940992 971906 1005420 1072448 1089205 1121430 1176240 1196192 1237440 1307046 1340560 1457859 1495240 1568320 1608672 1742728 1794288 1881984 1943812 2010840 2144896 2178410 2242860 2352480 2392384 2429765 2474880 2614092 2681120 2915718 2990480 3136640 3217344 3267615 3485456 3588576 3887624 4021680 4356820 4485720 4704960 4784768 4859530 5228184 5362240 5831436 5980960 6317389 6434688 6535230 6970912 7177152 7289295 7775248 8043360 8713640 8971440 9409920 9719060 10456368 10724480 11662872 11961920 12634778 13070460 13941824 14354304 14578590 15550496 16086720 17427280 17942880 18952167 19438120 20912736 23325744 23923840 25269556 26140920 27883648 29157180 31100992 31586945 32173440 34854560 35885760 37904334 38876240 41825472 46651488 50539112 52281840 58314360 62201984 63173890 69709120 71771520 75808668 77752480 83650944 93302976 94760835 101078224 104563680 116628720 126347780 139418240 151617336 155504960 186605952 189521670 202156448 209127360 233257440 252695560 303234672 311009920 379043340 404312896 418254720 466514880 505391120 606469344 758086680 808625792 933029760 1010782240 1212938688 1516173360 2021564480 2425877376 3032346720 4043128960 6064693440 12129386880
• Sum of all divisors σ(n): 43342452000
• Sum of proper divisors (its aliquot sum) s(n): 31213065120
• 12129386880 is an abundant number, because the sum of its proper divisors (31213065120) is greater than itself. Its abundance is 19083678240

Bases of 12129386880

• Binary: 1011010010111101111100000110000000₂
• Hexadecimal: 0x2D2F7C180
• Base-36: 5KLIUTC

Squares and roots of 12129386880

• 12129386880 squared (12129386880²) is 147122026084716134400
• 12129386880 cubed (12129386880³) is 1784499972950973649115676672000
• The square root of 12129386880 is 110133.4957222371
• The cube root of 12129386880 is 2297.6274766333

Scales and comparisons

• 12,129,386,880 seconds is equal to 385 years, 35 weeks, 1 day, 10 hours, 8 minutes.
• To count from 1 to 12,129,386,880 would take you about seven hundred seventy-one 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 12129386880 cubic inches would be around 191.5 feet tall.

Recreational maths with 12129386880

• 12129386880 backwards is 08868392121
• 12129386880 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12129386880's digits is 48
• More coming soon!