121855218944

Names of 121855218944

• Cardinal: 121855218944 can be written as One hundred twenty-one billion, eight hundred fifty-five million, two hundred eighteen thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.21855218944 × 10¹¹

Factors of 121855218944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1206

Divisors of 121855218944

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 16 19 32 38 64 76 83 128 152 166 256 304 332 509 593 608 664 1018 1186 1216 1328 1577 2036 2372 2432 2656 3154 4072 4744 4864 5312 6308 8144 9488 9671 10624 11267 12616 16288 18976 19342 21248 22534 25232 32576 37952 38684 42247 45068 49219 50464 65152 75904 77368 84494 90136 98438 100928 130304 151808 154736 168988 180272 196876 201856 301837 309472 337976 360544 393752 403712 603674 618944 675952 721088 787504 802693 935161 1207348 1237888 1351904 1442176 1575008 1605386 1870322 2414696 2475776 2703808 2884352 3150016 3210772 3740644 4829392 5407616 5734903 6300032 6421544 7481288 9658784 10815232 11469806 12600064 12843088 14962576 19317568 22939612 25052471 25686176 29925152 38635136 45879224 50104942 51372352 59850304 77270272 91758448 100209884 102744704 119700608 183516896 200419768 205489408 239401216 367033792 400839536 475996949 734067584 801679072 951993898 1468135168 1603358144 1903987796 3206716288 3807975592 6413432576 7615951184 15231902368 30463804736 60927609472 121855218944
• Sum of all divisors σ(n): 260067931200
• Sum of proper divisors (its aliquot sum) s(n): 138212712256
• 121855218944 is an abundant number, because the sum of its proper divisors (138212712256) is greater than itself. Its abundance is 16357493312

Bases of 121855218944

• Binary: 1110001011111001000110001010100000000₂
• Hexadecimal: 0x1C5F231500
• Base-36: 1JZ9G8OW

Squares and roots of 121855218944

• 121855218944 squared (121855218944²) is 14848694383890176475136
• 121855218944 cubed (121855218944³) is 1809390905181480640828495452176384
• The square root of 121855218944 is 349077.6689277043
• The cube root of 121855218944 is 4957.7129553231

Scales and comparisons

• 121,855,218,944 seconds is equal to 3,874 years, 32 weeks, 1 day, 7 hours, 55 minutes, 44 seconds.
• To count from 1 to 121,855,218,944 would take you about seven thousand, seven hundred forty-nine 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 121855218944 cubic inches would be around 413.1 feet tall.

Recreational maths with 121855218944

• 121855218944 backwards is 449812558121
• The number of decimal digits it has is: 12
• The sum of 121855218944's digits is 50
• More coming soon!