78429981997990

Names of 78429981997990

• Cardinal: 78429981997990 can be written as Seventy-eight trillion, four hundred twenty-nine billion, nine hundred eighty-one million, nine hundred ninety-seven thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 7.842998199799 × 10¹³

Factors of 78429981997990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 249756

Divisors of 78429981997990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 7 10 14 31 35 49 62 70 98 127 155 163 217 245 254 310 326 434 490 635 815 889 1085 1141 1270 1519 1630 1778 2170 2282 3038 3937 4445 5053 5705 6223 7595 7874 7987 8890 10106 11410 12446 15190 15974 19685 20701 25265 27559 31115 35371 39370 39935 41402 50530 55118 62230 70742 79870 103505 137795 144907 176855 192913 207010 247597 249421 275590 289814 353710 385826 495194 498842 641731 724535 964565 1014349 1237985 1247105 1283462 1449070 1745947 1929130 2028698 2475970 2494210 3208655 3491894 4492117 5071745 6417310 7732051 8729735 8984234 10143490 12221629 15464102 17459470 22460585 24443258 31444819 31676467 38660255 40655623 44921170 54124357 61108145 62889638 63352934 77320510 81311246 108248714 122216290 157224095 158382335 203278115 221735269 270621785 284589361 314448190 316764670 378870499 406556230 443470538 541243570 569178722 757740998 981970477 1108676345 1260324313 1422946805 1552146883 1894352495 1963940954 1992125527 2217352690 2520648626 2845893610 3104293766 3788704990 3984251054 4909852385 5163264121 6301621565 6873793339 7760734415 8822270191 9819704770 9960627635 10326528242 12603243130 13747586678 15521468830 17644540382 19921255270 25816320605 34368966695 36142848847 44111350955 48116553373 51632641210 61755891337 68737933390 72285697694 88222701910 96233106746 123511782674 160061187751 180714244235 240582766865 252999941929 308779456685 320122375502 361428488470 481165533730 505999883858 617558913370 800305938755 1120428314257 1264999709645 1600611877510 2240856628514 2529999419290 5602141571285 7842998199799 11204283142570 15685996399598 39214990998995 78429981997990
• Sum of all divisors σ(n): 171903972999168
• Sum of proper divisors (its aliquot sum) s(n): 93473991001178
• 78429981997990 is an abundant number, because the sum of its proper divisors (93473991001178) is greater than itself. Its abundance is 15044009003188

Bases of 78429981997990

• Binary: 10001110101010011100111001101110111101110100110₂
• Hexadecimal: 0x4754E7377BA6
• Base-36: RSU8IA27A

Squares and roots of 78429981997990

• 78429981997990 squared (78429981997990²) is 6151262076205035472364040100
• 78429981997990 cubed (78429981997990³) is 482443373901679523633701041190826479399000
• The square root of 78429981997990 is 8856070.3473939275
• The cube root of 78429981997990 is 42804.9543712311

Scales and comparisons

• 78,429,981,997,990 seconds is equal to 2,493,830 years, 43 weeks, 6 hours, 33 minutes, 10 seconds.
• To count from 1 to 78,429,981,997,990 would take you about six million, two hundred thirty-four thousand, five hundred seventy-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 78429981997990 cubic inches would be around 3567.1 feet tall.

Recreational maths with 78429981997990

• 78429981997990 backwards is 09979918992487
• The number of decimal digits it has is: 14
• The sum of 78429981997990's digits is 91
• More coming soon!