128009136640

Names of 128009136640

• Cardinal: 128009136640 can be written as One hundred twenty-eight billion, nine million, one hundred thirty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2800913664 × 10¹¹

Factors of 128009136640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 511

Divisors of 128009136640

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 29 32 35 40 44 49 55 56 58 64 70 77 80 88 98 110 112 116 128 140 145 154 160 176 196 203 220 224 232 245 256 280 290 308 319 320 343 352 385 392 406 440 448 457 464 490 512 539 560 580 616 638 640 686 704 770 784 812 880 896 914 928 980 1015 1078 1120 1160 1232 1276 1280 1372 1408 1421 1540 1568 1595 1624 1715 1760 1792 1828 1856 1960 2030 2156 2233 2240 2285 2320 2464 2552 2560 2695 2744 2816 2842 3080 3136 3190 3199 3248 3430 3520 3584 3656 3712 3773 3920 4060 4312 4466 4480 4570 4640 4928 5027 5104 5390 5488 5632 5684 6160 6272 6380 6398 6496 6860 7040 7105 7312 7424 7546 7840 8120 8624 8932 8960 9140 9280 9856 9947 10054 10208 10780 10976 11165 11368 12320 12544 12760 12796 12992 13253 13720 14080 14210 14624 14848 15092 15631 15680 15995 16240 17248 17864 17920 18280 18560 18865 19712 19894 20108 20416 21560 21952 22330 22393 22736 24640 25088 25135 25520 25592 25984 26506 27440 28160 28420 29248 30184 31262 31360 31990 32480 34496 35189 35728 36560 37120 37730 39424 39788 40216 40832 43120 43904 44660 44786 45472 49280 49735 50270 51040 51184 51968 53012 54880 56840 58496 60368 62524 62720 63980 64960 66265 68992 70378 71456 73120 74240 75460 78155 79576 80432 81664 86240 87808 89320 89572 90944 92771 98560 99470 100540 102080 102368 103936 106024 109417 109760 111965 113680 116992 120736 125048 125440 127960 129920 132530 137984 140756 142912 145783 146240 150920 156310 156751 159152 160864 163328 172480 175616 175945 178640 179144 181888 185542 197120 198940 201080 204160 204736 212048 218834 219520 223930 227360 233984 241472 246323 250096 255920 259840 265060 275968 281512 285824 291566 292480 301840 312620 313502 318304 321728 344960 351890 357280 358288 363776 371084 397880 402160 408320 409472 424096 437668 439040 447860 454720 463855 482944 492646 500192 511840 519680 530120 547085 563024 571648 583132 584960 603680 625240 627004 636608 643456 649397 689920 703780 714560 716576 727552 728915 742168 783755 795760 804320 816640 818944 848192 875336 878080 895720 909440 927710 965888 985292 1000384 1020481 1023680 1060240 1094170 1126048 1143296 1166264 1169920 1207360 1231615 1250480 1254008 1273216 1286912 1298794 1379840 1407560 1429120 1433152 1457830 1484336 1567510 1591520 1608640 1637888 1696384 1724261 1750672 1791440 1818880 1855420 1931776 1970584 2000768 2040962 2047360 2120480 2188340 2252096 2332528 2414720 2463230 2500960 2508016 2546432 2573824 2597588 2815120 2858240 2866304 2915660 2968672 3135020 3183040 3217280 3246985 3392768 3448522 3501344 3582880 3637760 3710840 3941168 4001536 4081924 4094720 4240960 4376680 4504192 4545779 4665056 4829440 4926460 5001920 5016032 5092864 5102405 5195176 5630240 5716480 5732608 5831320 5937344 6270040 6366080 6434560 6493970 6785536 6897044 7002688 7143367 7165760 7421680 7882336 8003072 8163848 8189440 8481920 8621305 8753360 9008384 9091558 9330112 9658880 9852920 10003840 10032064 10204810 10390352 11260480 11465216 11662640 11874688 12540080 12732160 12869120 12987940 13794088 14005376 14286734 14331520 14843360 15764672 16327696 16963840 17242610 17506720 18016768 18183116 18660224 19705840 20007680 20064128 20409620 20780704 22520960 22728895 23325280 23749376 25080160 25464320 25975880 27588176 28010752 28573468 28663040 29686720 31529344 32655392 33927680 34485220 35013440 35716835 36366232 37320448 39411680 40015360 40128256 40819240 41561408 45041920 45457790 46650560 47498752 50003569 50160320 51951760 55176352 56021504 57146936 57326080 59373440 63058688 65310784 68970440 70026880 71433670 72732464 74640896 78823360 80256512 81638480 83122816 90083840 90915580 93301120 100007138 100320640 103903520 110352704 114293872 118746880 126117376 130621568 137940880 140053760 142867340 145464928 157646720 163276960 166245632 181831160 186602240 200014276 200641280 207807040 220705408 228587744 237493760 250017845 261243136 275881760 280107520 285734680 290929856 315293440 326553920 332491264 363662320 373204480 400028552 401282560 415614080 441410816 457175488 500035690 522486272 551763520 571469360 581859712 630586880 653107840 727324640 800057104 831228160 882821632 914350976 1000071380 1103527040 1142938720 1163719424 1306215680 1454649280 1600114208 1662456320 1828701952 2000142760 2207054080 2285877440 2327438848 2612431360 2909298560 3200228416 3657403904 4000285520 4414108160 4571754880 5818597120 6400456832 8000571040 9143509760 11637194240 12800913664 16001142080 18287019520 25601827328 32002284160 64004568320 128009136640
• Sum of all divisors σ(n): 404813376000
• Sum of proper divisors (its aliquot sum) s(n): 276804239360
• 128009136640 is an abundant number, because the sum of its proper divisors (276804239360) is greater than itself. Its abundance is 148795102720

Bases of 128009136640

• Binary: 1110111001101111100000110101000000000₂
• Hexadecimal: 0x1DCDF06A00
• Base-36: 1MT1C1Z4

Squares and roots of 128009136640

• 128009136640 squared (128009136640²) is 16386339063318190489600
• 128009136640 cubed (128009136640³) is 2097601116185667858180754898944000
• The square root of 128009136640 is 357783.6450146933
• The cube root of 128009136640 is 5039.8041076125

Scales and comparisons

• 128,009,136,640 seconds is equal to 4,070 years, 15 weeks, 2 days, 5 hours, 30 minutes, 40 seconds.
• To count from 1 to 128,009,136,640 would take you about eight thousand, one hundred forty 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 128009136640 cubic inches would be around 420 feet tall.

Recreational maths with 128009136640

• 128009136640 backwards is 046631900821
• 128009136640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128009136640's digits is 40
• More coming soon!