121378638824450

Names of 121378638824450

• Cardinal: 121378638824450 can be written as One hundred twenty-one trillion, three hundred seventy-eight billion, six hundred thirty-eight million, eight hundred twenty-four thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.2137863882445 × 10¹⁴

Factors of 121378638824450

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13124

Divisors of 121378638824450

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 5 7 10 14 17 25 34 35 49 50 70 85 98 119 170 175 238 245 289 350 425 490 578 595 833 850 1190 1225 1445 1666 2023 2450 2890 2975 4046 4165 5950 7225 8330 10115 13093 14161 14450 20230 20825 26186 28322 41650 50575 65465 70805 91651 101150 130930 141610 183302 222581 327325 354025 445162 458255 641557 654650 708050 916510 1112905 1283114 1558067 2225810 2291275 3116134 3207785 3783877 4582550 5564525 6415570 7567754 7790335 10906469 11129050 15580670 16038925 18919385 21812938 26487139 32077850 37838770 38951675 52974278 54532345 77903350 94596925 109064690 132435695 171426649 185409973 189193850 264871390 272661725 342853298 370819946 545323450 662178475 857133245 927049865 1199986543 1324356950 1714266490 1854099730 2399973086 2914253033 4285666225 4635249325 5828506066 5999932715 8399905801 8571332450 9270498650 11999865430 14571265165 16799811602 20399771231 29142530330 29999663575 40799542462 41999529005 49542301561 59999327150 72856325825 83999058010 99084603122 101998856155 142798398617 145712651650 203997712310 209997645025 247711507805 285596797234 346796110927 419995290050 495423015610 509994280775 693592221854 713991993085 1019988561550 1238557539025 1427983986170 1733980554635 2427572776489 2477115078050 3467961109270 3569959965425 4855145552978 7139919930850 8669902773175 12137863882445 17339805546350 24275727764890 60689319412225 121378638824450
• Sum of all divisors σ(n): 279002237836401
• Sum of proper divisors (its aliquot sum) s(n): 157623599011951
• 121378638824450 is an abundant number, because the sum of its proper divisors (157623599011951) is greater than itself. Its abundance is 36244960187501

Bases of 121378638824450

• Binary: 11011100110010010101010101001101000010000000010₂
• Hexadecimal: 0x6E64AAA68402
• Base-36: 170WKRNHMQ

Squares and roots of 121378638824450

• 121378638824450 squared (121378638824450²) is 14732773962876280877917802500
• 121378638824450 cubed (121378638824450³) is 1788244049722221029160456913202327271125000
• The square root of 121378638824450 is 11017197.4124298055
• The cube root of 121378638824450 is 49512.4124671959

Scales and comparisons

• 121,378,638,824,450 seconds is equal to 3,859,465 years, 13 weeks, 5 days, 18 hours, 20 minutes, 50 seconds.
• To count from 1 to 121,378,638,824,450 would take you about nine million, six hundred forty-eight thousand, six hundred sixty-three 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 121378638824450 cubic inches would be around 4126 feet tall.

Recreational maths with 121378638824450

• 121378638824450 backwards is 054428836873121
• The number of decimal digits it has is: 15
• The sum of 121378638824450's digits is 62
• More coming soon!