128950842240

Names of 128950842240

• Cardinal: 128950842240 can be written as One hundred twenty-eight billion, nine hundred fifty million, eight hundred forty-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.2895084224 × 10¹¹

Factors of 128950842240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 61694

Divisors of 128950842240

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 88 90 96 99 108 110 120 121 128 132 135 144 160 165 176 180 192 198 216 220 240 242 264 270 288 297 320 330 352 360 363 384 396 432 440 480 484 495 528 540 576 594 605 640 660 704 720 726 792 864 880 960 968 990 1056 1080 1089 1152 1188 1210 1320 1408 1440 1452 1485 1584 1728 1760 1815 1920 1936 1980 2112 2160 2178 2376 2420 2640 2880 2904 2970 3168 3267 3456 3520 3630 3872 3960 4224 4320 4356 4752 4840 5280 5445 5760 5808 5940 6336 6534 7040 7260 7744 7920 8640 8712 9504 9680 10560 10890 11616 11880 12672 13068 14520 15488 15840 16335 17280 17424 19008 19360 21120 21780 23232 23760 26136 29040 31680 32670 34848 38016 38720 43560 46464 47520 52272 58080 61673 63360 65340 69696 77440 87120 95040 104544 116160 123346 130680 139392 174240 185019 190080 209088 232320 246692 261360 308365 348480 370038 418176 493384 522720 555057 616730 678403 696960 740076 925095 986768 1045440 1110114 1233460 1356806 1480152 1665171 1850190 1973536 2035209 2090880 2220228 2466920 2713612 2775285 2960304 3330342 3392015 3700380 3947072 4070418 4440456 4933840 5427224 5550570 5920608 6105627 6660684 6784030 7400760 7462433 7894144 8140836 8325855 8880912 9867680 10176045 10854448 11101140 11841216 12211254 13321368 13568060 14801520 14924866 16281672 16651710 17761824 18316881 19735360 20352090 21708896 22202280 22387299 23682432 24422508 26642736 27136120 29603040 29849732 30528135 32563344 33303420 35523648 36633762 37312165 39470720 40704180 43417792 44404560 44774598 48845016 53285472 54272240 59206080 59699464 61056270 65126688 66606840 67161897 71047296 73267524 74624330 81408360 86835584 88809120 89549196 91584405 97690032 106570944 108544480 111936495 118412160 119398928 122112540 130253376 133213680 134323794 146535048 149248660 162816720 177618240 179098392 183168810 195380064 201485691 213141888 217088960 223872990 238797856 244225080 260506752 266427360 268647588 293070096 298497320 325633440 335809485 355236480 358196784 366337620 390760128 402971382 434177920 447745980 477595712 488450160 532854720 537295176 586140192 596994640 651266880 671618970 716393568 732675240 781520256 805942764 895491960 955191424 976900320 1007428455 1065709440 1074590352 1172280384 1193989280 1302533760 1343237940 1432787136 1465350480 1611885528 1790983920 1953800640 2014856910 2149180704 2344560768 2387978560 2686475880 2865574272 2930700960 3223771056 3581967840 3907601280 4029713820 4298361408 4775957120 5372951760 5861401920 6447542112 7163935680 8059427640 8596722816 10745903520 11722803840 12895084224 14327871360 16118855280 21491807040 25790168448 32237710560 42983614080 64475421120 128950842240
• Sum of all divisors σ(n): 502001690400
• Sum of proper divisors (its aliquot sum) s(n): 373050848160
• 128950842240 is an abundant number, because the sum of its proper divisors (373050848160) is greater than itself. Its abundance is 244100005920

Bases of 128950842240

• Binary: 1111000000110000100011011001110000000₂
• Hexadecimal: 0x1E0611B380
• Base-36: 1N8M02O0

Squares and roots of 128950842240

• 128950842240 squared (128950842240²) is 16628319714405368217600
• 128950842240 cubed (128950842240³) is 2144235832208568492436847591424000
• The square root of 128950842240 is 359097.2601399237
• The cube root of 128950842240 is 5052.1324489509

Scales and comparisons

• 128,950,842,240 seconds is equal to 4,100 years, 12 weeks, 2 days, 14 hours, 24 minutes.
• To count from 1 to 128,950,842,240 would take you about eight thousand, two hundred 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 128950842240 cubic inches would be around 421 feet tall.

Recreational maths with 128950842240

• 128950842240 backwards is 042248059821
• 128950842240 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128950842240's digits is 45
• More coming soon!