121381206912

Names of 121381206912

• Cardinal: 121381206912 can be written as One hundred twenty-one billion, three hundred eighty-one million, two hundred six thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.21381206912 × 10¹¹

Factors of 121381206912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3058

Divisors of 121381206912

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 84 96 98 108 112 126 128 144 147 168 189 192 196 216 224 252 257 288 294 336 378 384 392 432 441 448 504 514 576 588 672 756 771 784 864 882 896 1008 1028 1152 1176 1323 1344 1512 1542 1568 1728 1764 1799 2016 2056 2313 2352 2646 2688 2789 3024 3084 3136 3456 3528 3598 4032 4112 4626 4704 5292 5397 5578 6048 6168 6272 6939 7056 7196 8064 8224 8367 9252 9408 10584 10794 11156 12096 12336 12593 13878 14112 14392 16191 16448 16734 18504 18816 19523 21168 21588 22312 24192 24672 25101 25186 27756 28224 28784 32382 32896 33468 37008 37779 39046 42336 43176 44624 48573 49344 50202 50372 55512 56448 57568 58569 64764 66936 74016 75303 75558 78092 84672 86352 89248 97146 98688 100404 100744 111024 113337 115136 117138 129528 133872 136661 148032 150606 151116 156184 169344 172704 175707 178496 194292 200808 201488 222048 226674 230272 234276 259056 267744 273322 296064 301212 302232 312368 340011 345408 351414 356992 388584 401616 402976 409983 444096 453348 468552 518112 527121 535488 546644 602424 604464 624736 680022 690816 702828 716773 777168 803232 805952 819966 888192 906696 937104 1036224 1054242 1070976 1093288 1204848 1208928 1229949 1249472 1360044 1405656 1433546 1554336 1606464 1611904 1639932 1813392 1874208 2072448 2108484 2150319 2186576 2409696 2417856 2459898 2498944 2720088 2811312 2867092 3108672 3212928 3279864 3626784 3689847 3748416 4216968 4300638 4373152 4819392 4835712 4919796 5017411 5440176 5622624 5734184 6217344 6450957 6559728 7253568 7379694 7496832 8433936 8601276 8746304 9638784 9839592 10034822 10880352 11245248 11468368 12901914 13119456 14507136 14759388 15052233 16867872 17202552 17492608 19352871 19679184 20069644 21760704 22490496 22936736 25803828 26238912 29518776 30104466 33735744 34405104 35121877 38705742 39358368 40139288 43521408 45156699 45873472 51607656 52477824 59037552 60208932 67471488 68810208 70243754 77411484 78716736 80278576 90313398 91746944 103215312 105365631 118075104 120417864 135470097 137620416 140487508 154822968 157433472 160557152 180626796 206430624 210731262 236150208 240835728 270940194 275240832 280975016 309645936 316096893 321114304 361253592 412861248 421462524 472300416 481671456 541880388 561950032 619291872 632193786 642228608 722507184 825722496 842925048 948290679 963342912 1083760776 1123900064 1238583744 1264387572 1445014368 1685850096 1896581358 1926685824 2167521552 2247800128 2477167488 2528775144 2890028736 3371700192 3793162716 4335043104 4495600256 5057550288 5780057472 6743400384 7586325432 8670086208 10115100576 13486800768 15172650864 17340172416 20230201152 30345301728 40460402304 60690603456 121381206912
• Sum of all divisors σ(n): 418503348000
• Sum of proper divisors (its aliquot sum) s(n): 297122141088
• 121381206912 is an abundant number, because the sum of its proper divisors (297122141088) is greater than itself. Its abundance is 175740934176

Bases of 121381206912

• Binary: 1110001000010111000100011101110000000₂
• Hexadecimal: 0x1C42E23B80
• Base-36: 1JRF8IO0

Squares and roots of 121381206912

• 121381206912 squared (121381206912²) is 14733397391413756575744
• 121381206912 cubed (121381206912³) is 1788357557283914239123583064342528
• The square root of 121381206912 is 348398.0581346573
• The cube root of 121381206912 is 4951.2761653605

Scales and comparisons

• 121,381,206,912 seconds is equal to 3,859 years, 28 weeks, 3 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 121,381,206,912 would take you about seven thousand, seven hundred nineteen 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 121381206912 cubic inches would be around 412.6 feet tall.

Recreational maths with 121381206912

• 121381206912 backwards is 219602183121
• 121381206912 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121381206912's digits is 36
• More coming soon!