121211844390

Names of 121211844390

• Cardinal: 121211844390 can be written as One hundred twenty-one billion, two hundred eleven million, eight hundred forty-four thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.2121184439 × 10¹¹

Factors of 121211844390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 704791

Divisors of 121211844390

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 39 42 45 49 54 63 65 70 78 90 91 98 105 117 126 130 135 147 182 189 195 210 234 245 270 273 294 315 351 378 390 441 455 490 546 585 630 637 702 735 819 882 910 945 1170 1274 1323 1365 1470 1638 1755 1890 1911 2205 2457 2646 2730 3185 3510 3822 4095 4410 4914 5733 6370 6615 8190 9555 11466 12285 13230 17199 19110 24570 28665 34398 57330 85995 171990 704761 1409522 2114283 3523805 4228566 4933327 6342849 7047610 9161893 9866654 10571415 12685698 14799981 18323786 19028547 21142830 24666635 27485679 29599962 31714245 34533289 38057094 44399943 45809465 49333270 54971358 63428490 64133251 69066578 73999905 82457037 88799886 91618930 95142735 103599867 128266502 133199829 137428395 147999810 164914074 172666445 190285470 192399753 207199734 221999715 247371111 266399658 274856790 310799601 320666255 345332890 384799506 412285185 443999430 448932757 494742222 517999335 577199259 621599202 641332510 665999145 824570370 897865514 932398803 961998765 1035998670 1154398518 1236855555 1331998290 1346798271 1553998005 1731597777 1864797606 1923997530 2244663785 2473711110 2693596542 2885996295 3107996010 3463195554 4040394813 4489327570 4661994015 5771992590 6733991355 8080789626 8657988885 9323988030 12121184439 13467982710 17315977770 20201974065 24242368878 40403948130 60605922195 121211844390
• Sum of all divisors σ(n): 404928054720
• Sum of proper divisors (its aliquot sum) s(n): 283716210330
• 121211844390 is an abundant number, because the sum of its proper divisors (283716210330) is greater than itself. Its abundance is 162504365940

Bases of 121211844390

• Binary: 1110000111000110010011111011100100110₂
• Hexadecimal: 0x1C38C9F726
• Base-36: 1JOMEHPI

Squares and roots of 121211844390

• 121211844390 squared (121211844390²) is 14692311220425574472100
• 121211844390 cubed (121211844390³) is 1780882141379675722488541596519000
• The square root of 121211844390 is 348154.9143556643
• The cube root of 121211844390 is 4948.9722641351

Scales and comparisons

• 121,211,844,390 seconds is equal to 3,854 years, 8 weeks, 2 days, 20 hours, 46 minutes, 30 seconds.
• To count from 1 to 121,211,844,390 would take you about seven thousand, seven hundred eight 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 121211844390 cubic inches would be around 412.4 feet tall.

Recreational maths with 121211844390

• 121211844390 backwards is 093448112121
• The number of decimal digits it has is: 12
• The sum of 121211844390's digits is 36
• More coming soon!