12879347220

Names of 12879347220

• Cardinal: 12879347220 can be written as Twelve billion, eight hundred seventy-nine million, three hundred forty-seven thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.287934722 × 10¹⁰

Factors of 12879347220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1888

Divisors of 12879347220

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 19 20 27 30 34 36 38 41 45 51 54 57 60 68 76 82 85 90 95 102 108 114 123 135 153 164 170 171 180 190 204 205 228 246 255 270 285 306 323 340 342 369 380 410 459 492 510 513 540 570 612 615 646 684 697 738 765 779 820 855 918 969 1020 1026 1107 1140 1230 1292 1394 1476 1530 1558 1615 1710 1801 1836 1845 1938 2052 2091 2214 2295 2337 2460 2565 2788 2907 3060 3116 3230 3420 3485 3602 3690 3876 3895 4182 4428 4590 4674 4845 5130 5403 5535 5814 6273 6460 6970 7011 7204 7380 7790 8364 8721 9005 9180 9348 9690 10260 10455 10806 11070 11628 11685 12546 13243 13940 14022 14535 15580 16209 17442 18010 18819 19380 20910 21033 21612 22140 23370 25092 26486 27015 28044 29070 30617 31365 32418 34219 34884 35055 36020 37638 39729 41820 42066 43605 46740 48627 52972 54030 58140 61234 62730 64836 66215 68438 70110 73841 75276 79458 81045 84132 87210 91851 94095 97254 102657 105165 108060 119187 122468 125460 132430 136876 140220 147682 153085 158916 162090 171095 174420 183702 188190 194508 198645 205314 210330 221523 238374 243135 264860 275553 295364 306170 307971 324180 342190 357561 367404 369205 376380 397290 410628 420660 443046 459255 476748 486270 513285 551106 581723 595935 612340 615942 664569 684380 715122 738410 794580 826659 886092 918510 923913 972540 1026570 1102212 1107615 1163446 1191870 1231884 1255297 1329138 1377765 1402979 1430244 1476820 1539855 1653318 1745169 1787805 1837020 1847826 1993707 2053140 2215230 2326892 2383740 2510594 2658276 2755530 2805958 2908615 3079710 3306636 3322845 3490338 3575610 3695652 3765891 3987414 4133295 4208937 4430460 4619565 5021188 5235507 5511060 5611916 5817230 6159420 6276485 6645690 6980676 7014895 7151220 7531782 7974828 8266590 8417874 8725845 9239130 9968535 10471014 11297673 11634460 12552970 12626811 13291380 14029790 15063564 15706521 16533180 16835748 17451690 18478260 18829455 19937070 20942028 21044685 22595346 23850643 25105940 25253622 26177535 28059580 31413042 33893019 34903380 37658910 37880433 39874140 42089370 45190692 47701286 50507244 52355070 56488365 62826084 63134055 67786038 71551929 75317820 75760866 78532605 84178740 95402572 104710140 112976730 119253215 126268110 135572076 143103858 151521732 157065210 169465095 189402165 214655787 225953460 238506430 252536220 286207716 314130420 338930190 357759645 378804330 429311574 477012860 643967361 677860380 715519290 757608660 858623148 1073278935 1287934722 1431038580 2146557870 2575869444 3219836805 4293115740 6439673610 12879347220
• Sum of all divisors σ(n): 45773683200
• Sum of proper divisors (its aliquot sum) s(n): 32894335980
• 12879347220 is an abundant number, because the sum of its proper divisors (32894335980) is greater than itself. Its abundance is 20014988760

Bases of 12879347220

• Binary: 1011111111101010110011111000010100₂
• Hexadecimal: 0x2FFAB3E14
• Base-36: 5X013X0

Squares and roots of 12879347220

• 12879347220 squared (12879347220²) is 165877584813321728400
• 12879347220 cubed (12879347220³) is 2136395010825769421634135048000
• The square root of 12879347220 is 113487.2117024645
• The cube root of 12879347220 is 2344.0378344737

Scales and comparisons

• 12,879,347,220 seconds is equal to 409 years, 27 weeks, 1 day, 12 hours, 27 minutes.
• To count from 1 to 12,879,347,220 would take you about eight hundred nineteen 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 12879347220 cubic inches would be around 195.3 feet tall.

Recreational maths with 12879347220

• 12879347220 backwards is 02274397821
• 12879347220 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12879347220's digits is 45
• More coming soon!