128738546420432

Names of 128738546420432

• Cardinal: 128738546420432 can be written as One hundred twenty-eight trillion, seven hundred thirty-eight billion, five hundred forty-six million, four hundred twenty thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.28738546420432 × 10¹⁴

Factors of 128738546420432

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 903431

Divisors of 128738546420432

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 13 16 26 52 53 67 104 106 134 193 208 212 268 386 424 536 689 772 848 871 1072 1378 1544 1742 2509 2756 3088 3484 3551 5018 5512 6968 7102 10036 10229 11024 12931 13936 14204 20072 20458 25862 28408 40144 40916 46163 51724 56816 81832 92326 103448 132977 163664 168103 184652 206896 265954 336206 369304 531908 672412 685343 738608 903103 1063816 1344824 1370686 1806206 2127632 2689648 2741372 3612412 5482744 7224824 8909459 10965488 11740339 14449648 17818918 23480678 35637836 46961356 47864459 60507901 71275672 93922712 95728918 121015802 142551344 174298879 187845424 191457836 242031604 348597758 382915672 484063208 622237967 697195516 765831344 786602713 968126416 1244475934 1394391032 1573205426 2265885427 2488951868 2788782064 3146410852 3206918753 4531770854 4977903736 6292821704 6413837506 9063541708 9237840587 9955807472 11678024893 12585643408 12827675012 18127083416 18475681174 23356049786 25655350024 36254166832 36951362348 41689943789 46712099572 51310700048 73902724696 83379887578 93424199144 120091927631 147805449392 151814323609 166759775156 186848398288 240183855262 303628647218 333519550312 480367710524 607257294436 618935319329 667039100624 960735421048 1214514588872 1237870638658 1921470842096 2429029177744 2475741277316 4951482554632 8046159151277 9902965109264 16092318302554 32184636605108 64369273210216 128738546420432
• Sum of all divisors σ(n): 279210597378048
• Sum of proper divisors (its aliquot sum) s(n): 150472050957616
• 128738546420432 is an abundant number, because the sum of its proper divisors (150472050957616) is greater than itself. Its abundance is 21733504537184

Bases of 128738546420432

• Binary: 11101010001011001000111010101000000101011010000₂
• Hexadecimal: 0x751647540AD0
• Base-36: 19MTO6LVWW

Squares and roots of 128738546420432

• 128738546420432 squared (128738546420432²) is 16573613334445724920507066624
• 128738546420432 cubed (128738546420432³) is 2133662889610831743609730359677515738861568
• The square root of 128738546420432 is 11346301.0016671071
• The cube root of 128738546420432 is 50493.5843132763

Scales and comparisons

• 128,738,546,420,432 seconds is equal to 4,093,487 years, 29 weeks, 1 day, 11 hours, 32 seconds.
• To count from 1 to 128,738,546,420,432 would take you about ten million, two hundred thirty-three thousand, seven hundred eighteen 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 128738546420432 cubic inches would be around 4207.8 feet tall.

Recreational maths with 128738546420432

• 128738546420432 backwards is 234024645837821
• The number of decimal digits it has is: 15
• The sum of 128738546420432's digits is 59
• More coming soon!