128644201132361880

Names of 128644201132361880

• Cardinal: 128644201132361880 can be written as One hundred twenty-eight quadrillion, six hundred forty-four trillion, two hundred one billion, one hundred thirty-two million, three hundred sixty-one thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.2864420113236188 × 10¹⁷

Factors of 128644201132361880

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2898236

Divisors of 128644201132361880

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 735 840 980 1176 1259 1470 1960 2518 2940 3777 5036 5880 6011 6295 7554 8813 10072 12022 12590 15108 17626 18033 18885 24044 25180 26439 30055 30216 35252 36066 37770 42077 44065 48088 50360 52878 60110 61691 70504 72132 75540 84154 88130 90165 105756 120220 123382 126231 132195 144264 151080 168308 176260 180330 185073 210385 211512 240440 246764 252462 264390 294539 308455 336616 352520 360660 370146 420770 493528 504924 528780 589078 616910 631155 721320 740292 841540 883617 925365 1009848 1057560 1178156 1233820 1262310 1472695 1480584 1683080 1767234 1850730 2356312 2467640 2524620 2890949 2945390 3534468 3701460 4418085 5049240 5781898 5890780 7068936 7402920 7567849 8672847 8836170 11563796 11781560 14454745 15135698 17345694 17672340 20236643 22703547 23127592 28909490 30271396 34691388 35344680 37839245 40473286 43364235 45407094 52974943 57818980 60542792 60709929 69382776 75678490 80946572 86728470 90814188 101183215 105949886 113517735 115637960 121419858 141656501 151356980 158924829 161893144 173456940 181628376 202366430 211899772 227035470 242839716 264874715 283313002 302713960 303549645 317849658 346913880 370824601 404732860 423799544 424969503 454070940 485679432 529749430 566626004 607099290 635699316 708282505 741649202 794624145 809465720 849939006 908141880 1059498860 1112473803 1133252008 1214198580 1271398632 1416565010 1483298404 1589248290 1699878012 1854123005 2118997720 2124847515 2224947606 2428397160 2833130020 2966596808 3178496580 3399756024 3639704791 3708246010 4249695030 4449895212 5562369015 5666260040 6356993160 7279409582 7416492020 8499390060 8899790424 10919114373 11124738030 14558819164 14832984040 16998780120 17377494439 18198523955 21838228746 22249476060 25477933537 29117638328 34754988878 36397047910 43676457492 44498952120 50955867074 52132483317 54595571865 69509977756 72794095820 76433800611 86887472195 87352914984 101911734148 104264966634 109191143730 121642461073 127389667685 139019955512 145588191640 152867601222 173774944390 178345534759 203823468296 208529933268 218382287460 243284922146 254779335370 260662416585 305735202444 347549888780 356691069518 364927383219 382169003055 417059866536 436764574920 486569844292 509558670740 521324833170 535036604277 608212305365 611470404888 695099777560 713382139036 729854766438 764338006110 851497227511 891727673795 973139688584 1019117341480 1042649666340 1070073208554 1216424610730 1426764278072 1459709532876 1528676012220 1702994455022 1783455347590 1824636916095 2085299332680 2140146417108 2432849221460 2554491682533 2675183021385 2919419065752 3057352024440 3405988910044 3566910695180 3649273832190 4257486137555 4280292834216 4865698442920 5108983365066 5350366042770 6811977820088 7133821390360 7298547664380 8514972275110 10217966730132 10700732085540 12772458412665 14597095328760 17029944550220 20435933460264 21401464171080 21878265498701 25544916825330 34059889100440 43756530997402 51089833650660 65634796496103 87513061994804 102179667301320 109391327493505 131269592992206 153147858490907 175026123989608 218782654987010 262539185984412 306295716981814 328173982480515 437565309974020 459443575472721 525078371968824 612591433963628 656347964961030 765739292454535 875130619948040 918887150945442 1072035009436349 1225182867927256 1312695929922060 1531478584909070 1837774301890884 2144070018872698 2297217877363605 2625391859844120 3062957169818140 3216105028309047 3675548603781768 4288140037745396 4594435754727210 5360175047181745 6125914339636280 6432210056618094 8576280075490792 9188871509454420 10720350094363490 12864420113236188 16080525141545235 18377743018908840 21440700188726980 25728840226472376 32161050283090470 42881400377453960 64322100566180940 128644201132361880
• Sum of all divisors σ(n): 449373495725280000
• Sum of proper divisors (its aliquot sum) s(n): 320729294592918120
• 128644201132361880 is an abundant number, because the sum of its proper divisors (320729294592918120) is greater than itself. Its abundance is 192085093460556240

Bases of 128644201132361880

• Binary: 111001001000010010011100000100110111010001000100010011000₂
• Hexadecimal: 0x1C9093826E88898
• Base-36: Z6OKA4ZD40O

Squares and roots of 128644201132361880

• 128644201132361880 squared (128644201132361880²) is 16549330484983577608435427277134400
• 128644201132361880 cubed (128644201132361880³) is 2128975399516155335292404503538977470619190196672000
• The square root of 128644201132361880 is 358670044.9331695723
• The cube root of 128644201132361880 is 504812.4665663395

Scales and comparisons

• 128,644,201,132,361,880 seconds is equal to 4,090,487,673 years, 19 weeks, 1 day, 58 minutes.
• To count from 1 to 128,644,201,132,361,880 would take you about twelve billion, two hundred seventy-one million, four hundred sixty-three thousand and twenty 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 128644201132361880 cubic inches would be around 42067.7 feet tall.

Recreational maths with 128644201132361880

• 128644201132361880 backwards is 088163231102446821
• 128644201132361880 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 128644201132361880's digits is 60
• More coming soon!