67438221438656380

Names of 67438221438656380

• Cardinal: 67438221438656380 can be written as Sixty-seven quadrillion, four hundred thirty-eight trillion, two hundred twenty-one billion, four hundred thirty-eight million, six hundred fifty-six thousand, three hundred eighty.

Scientific notation

• Scientific notation: 6.743822143865638 × 10¹⁶

Factors of 67438221438656380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 83750794

Divisors of 67438221438656380

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 13 20 26 52 65 79 130 158 197 199 260 316 394 395 398 788 790 796 985 995 1027 1580 1970 1990 2054 2561 2587 3940 3980 4108 5122 5135 5174 10244 10270 10348 12805 12935 15563 15721 20540 25610 25870 31126 31442 39203 51220 51740 62252 62884 77815 78406 78605 155630 156812 157210 196015 202319 204373 311260 314420 392030 404638 408746 509639 784060 809276 817492 1011595 1019278 1021865 2023190 2038556 2043730 2548195 3097037 4046380 4087460 5096390 6194074 10192780 12388148 15485185 30970370 40261481 61940740 80522962 83750299 161045924 167500598 201307405 335001196 402614810 418751495 805229620 837502990 1088753887 1675005980 2177507774 4355015548 5443769435 6616273621 10887538870 13232547242 16498808903 16666309501 21775077740 26465094484 32997617806 33081368105 33332619002 65995235612 66162736210 66665238004 82494044515 83331547505 86011557073 132325472420 164988089030 166663095010 172023114146 214484515739 216662023513 329976178060 333326190020 344046228292 428969031478 430057785365 433324047026 857938062956 860115570730 866648094052 1072422578695 1083310117565 1303405903337 1316638450579 1720231141460 2144845157390 2166620235130 2606811806674 2633276901158 3283262971697 4289690314780 4333240470260 5213623613348 5266553802316 6517029516685 6566525943394 6583192252895 13034059033370 13133051886788 13166384505790 16416314858485 16944276743381 17116299857527 26068118066740 26332769011580 32832629716970 33888553486762 34232599715054 42682418632061 65665259433940 67777106973524 68465199430108 84721383716905 85364837264122 85581499287635 169442767433810 170729674528244 171162998575270 213412093160305 259377774764063 338885534867620 342325997150540 426824186320610 518755549528126 853648372641220 1037511099056252 1296888873820315 2593777747640630 3371911071932819 5187555495281260 6743822143865638 13487644287731276 16859555359664095 33719110719328190 67438221438656380
• Sum of all divisors σ(n): 156008718835200000
• Sum of proper divisors (its aliquot sum) s(n): 88570497396543620
• 67438221438656380 is an abundant number, because the sum of its proper divisors (88570497396543620) is greater than itself. Its abundance is 21132275957887240

Bases of 67438221438656380

• Binary: 11101111100101101011010010000001001000101001111101111100₂
• Hexadecimal: 0xEF96B481229F7C
• Base-36: IG0UR8HAPA4

Squares and roots of 67438221438656380

• 67438221438656380 squared (67438221438656380²) is 4547913710809252987419379714704400
• 67438221438656380 cubed (67438221438656380³) is 306703211913455856746452134848722924370064874072000
• The square root of 67438221438656380 is 259688701.0223132137
• The cube root of 67438221438656380 is 407038.3876737715

Scales and comparisons

• 67,438,221,438,656,380 seconds is equal to 2,144,326,841 years, 32 weeks, 6 days, 19 hours, 39 minutes, 40 seconds.
• To count from 1 to 67,438,221,438,656,380 would take you about six billion, four hundred thirty-two million, nine hundred eighty thousand, five hundred twenty-four 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 67438221438656380 cubic inches would be around 33919.9 feet tall.

Recreational maths with 67438221438656380

• 67438221438656380 backwards is 08365683412283476
• The number of decimal digits it has is: 17
• The sum of 67438221438656380's digits is 76
• More coming soon!