128441718747072118125

Names of 128441718747072118125

• Cardinal: 128441718747072118125 can be written as One hundred twenty-eight quintillion, four hundred forty-one quadrillion, seven hundred eighteen trillion, seven hundred forty-seven billion, seventy-two million, one hundred eighteen thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.28441718747072118125 × 10²⁰

Factors of 128441718747072118125

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 294

Divisors of 128441718747072118125

• Number of divisors d(n): 280
• Complete list of divisors:
  1 3 5 9 15 23 25 27 45 69 75 115 125 135 207 225 263 345 375 575 621 625 675 789 1035 1125 1315 1725 1875 2367 2875 3105 3375 3945 5175 5625 6049 6575 7101 8625 11835 14375 15525 16875 18147 19725 25875 30245 32875 35505 43125 54441 59175 69169 77625 90735 98625 129375 151225 163323 164375 177525 207507 272205 295875 345845 388125 453675 493125 622521 756125 816615 887625 1037535 1361025 1479375 1590887 1729225 1867563 2268375 3112605 3780625 4083075 4438125 4772661 5187675 6805125 7954435 8646125 9337815 11341875 14317983 15563025 18191447 20415375 23863305 25938375 34025625 39772175 42953949 43230625 46689075 54574341 71589915 77815125 90957235 102076875 119316525 129691875 163723023 198860875 214769745 233445375 272871705 357949575 389075625 418403281 454786175 491169069 596582625 818615115 994304375 1073848725 1167226875 1255209843 1364358525 1789747875 2092016405 2273930875 2455845345 2982913125 3765629529 4093075575 4784350561 5369243625 6276049215 6821792625 8948739375 10460082025 11296888587 11369654375 12279226725 14353051683 18828147645 20465377875 23921752805 26846218125 31380246075 34108963125 43059155049 52300410125 56484442935 61396133625 71765258415 94140738225 102326889375 110040062903 119608764025 129177465147 156901230375 215295775245 261502050625 282422214675 306980668125 330120188709 358826292075 470703691125 550200314515 598043820125 645887325735 784506151875 990360566127 1076478876225 1258284197543 1412111073375 1650600943545 1794131460375 2353518455625 2751001572575 2971081698381 2990219100625 3229436628675 3774852592629 4951802830635 5382394381125 6291420987715 7060555366875 8253004717725 8970657301875 11324557777887 13755007862875 14855408491905 16147183143375 18874262963145 24759014153175 26911971905625 28940536543489 31457104938575 33973673333661 41265023588625 56622788889435 68775039314375 74277042459525 80735915716875 86821609630467 94371314815725 123795070765875 144702682717445 157285524692875 169868366668305 206325117943125 260464828891401 283113944447175 330928743953809 371385212297625 434108048152335 471856574078625 618975353829375 723513413587225 781394486674203 786427623464375 849341833341525 992786231861427 1302324144457005 1415569722235875 1654643719769045 1856926061488125 2170540240761675 2359282870393125 2978358695584281 3617567067936125 3906972433371015 4246709166707625 4963931159307135 6511620722285025 7077848611179375 7611361110937607 8273218598845225 8935076086752843 10852701203808375 14891793477921405 18087835339680625 19534862166855075 21233545833538125 22834083332812821 24819655796535675 32558103611425125 38056805554688035 41366092994226125 44675380433764215 54263506019041875 68502249998438463 74458967389607025 97674310834275375 114170416664064105 124098278982678375 162790518057125625 190284027773440175 205506749995315389 206830464971130625 223376902168821075 342511249992192315 372294836948035125 488371554171376875 570852083320320525 620491394913391875 951420138867200875 1027533749976576945 1116884510844105375 1712556249960961575 1861474184740175625 2854260416601602625 4757100694336004375 5137668749882884725 5584422554220526875 8562781249804807875 14271302083008013125 25688343749414423625 42813906249024039375 128441718747072118125
• Sum of all divisors σ(n): 249064147032711679680
• Sum of proper divisors (its aliquot sum) s(n): 120622428285639561555
• 128441718747072118125 is a deficient number, because the sum of its proper divisors (120622428285639561555) is less than itself. Its deficiency is 7819290461432556570

Bases of 128441718747072118125

• Binary: 1101111011001111100101001101010111111100011110111010011110101101101₂
• Hexadecimal: 0x6F67CA6AFE3DD3D6D
• Base-36: R3U8LD2QMY8H9

Squares and roots of 128441718747072118125

• 128441718747072118125 squared (128441718747072118125²) is 16497275114701977201864627179773953515625
• 128441718747072118125 cubed (128441718747072118125³) is 2118938370375623273035583954722129167906187455373259033203125
• The square root of 128441718747072118125 is 11333213081.3407068017
• The cube root of 128441718747072118125 is 5045474.7390549037
• Being both a perfect square and a perfect cube, 128441718747072118125 is also a perfect sixth number.

Scales and comparisons

• 128,441,718,747,072,118,125 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 128,441,718,747,072,118,125 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 128441718747072118125 cubic inches would be around 420456.2 feet tall.

Recreational maths with 128441718747072118125

• 128441718747072118125 backwards is 521811270747817144821
• The number of decimal digits it has is: 21
• The sum of 128441718747072118125's digits is 81
• More coming soon!