128036207520

Names of 128036207520

• Cardinal: 128036207520 can be written as One hundred twenty-eight billion, thirty-six million, two hundred seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.2803620752 × 10¹¹

Factors of 128036207520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3237

Divisors of 128036207520

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 65 72 78 80 81 90 96 104 108 117 120 130 135 144 156 160 162 180 195 208 216 234 240 257 260 270 288 312 324 351 360 390 405 416 432 468 480 514 520 540 585 624 648 702 720 771 780 810 864 936 1028 1040 1053 1080 1170 1248 1285 1296 1404 1440 1542 1560 1620 1755 1872 2056 2080 2106 2160 2313 2340 2570 2592 2808 2957 3084 3120 3240 3341 3510 3744 3855 4112 4212 4320 4626 4680 5140 5265 5616 5914 6168 6240 6480 6682 6939 7020 7710 8224 8424 8871 9252 9360 10023 10280 10530 11232 11565 11828 12336 12960 13364 13878 14040 14785 15420 16705 16848 17742 18504 18720 20046 20560 20817 21060 23130 23656 24672 26613 26728 27756 28080 29570 30069 30840 33410 33696 34695 35484 37008 38441 40092 41120 41634 42120 44355 46260 47312 50115 53226 53456 55512 56160 59140 60138 61680 66820 69390 70968 74016 76882 79839 80184 83268 84240 88710 90207 92520 94624 100230 104085 106452 106912 111024 115323 118280 120276 123360 133065 133640 138780 141936 150345 153764 159678 160368 166536 168480 177420 180414 185040 192205 200460 208170 212904 222048 230646 236560 239517 240552 266130 267280 270621 277560 283872 300690 307528 319356 320736 333072 345969 354840 360828 370080 384410 399195 400920 416340 425808 451035 461292 473120 479034 481104 532260 534560 541242 555120 576615 601380 615056 638712 666144 691938 709680 721656 759949 768820 798390 801840 832680 851616 902070 922584 958068 962208 1037907 1064520 1082484 1110240 1153230 1197585 1202760 1230112 1277424 1353105 1383876 1419360 1443312 1519898 1537640 1596780 1603680 1665360 1729845 1804140 1845168 1916136 2075814 2129040 2164968 2279847 2306460 2395170 2405520 2554848 2706210 2767752 2886624 3039796 3075280 3113721 3193560 3330720 3459690 3608280 3690336 3799745 3832272 4151628 4258080 4329936 4559694 4612920 4790340 4811040 5189535 5412420 5535504 6079592 6150560 6227442 6387120 6839541 6919380 7216560 7599490 7664544 8303256 8659872 9119388 9225840 9580680 9879337 10379070 10824840 11071008 11399235 12159184 12454884 12774240 13679082 13838760 14433120 15198980 15568605 16606512 18238776 18451680 19161360 19758674 20518623 20758140 21649680 22798470 24318368 24909768 27358164 27677520 29638011 30397960 31137210 33213024 34197705 36477552 38322720 39517348 41037246 41516280 43299360 45596940 49396685 49819536 54716328 55355040 59276022 60795920 61555869 62274420 68395410 72955104 79034696 82074492 83032560 88914033 91193880 98793370 99639072 102593115 109432656 118552044 121591840 123111738 124548840 136790820 148190055 158069392 164148984 166065120 177828066 182387760 197586740 205186230 218865312 237104088 246223476 249097680 266742099 273581640 296380110 307779345 316138784 328297968 355656132 364775520 395173480 410372460 444570165 474208176 492446952 498195360 533484198 547163280 592760220 615558690 656595936 711312264 790346960 800226297 820744920 889140330 948416352 984893904 1066968396 1094326560 1185520440 1231117380 1333710495 1422624528 1580693920 1600452594 1641489840 1778280660 1969787808 2133936792 2371040880 2462234760 2667420990 2845249056 3200905188 3282979680 3556561320 4001131485 4267873584 4742081760 4924469520 5334841980 6401810376 7113122640 8002262970 8535747168 9848939040 10669683960 12803620752 14226245280 16004525940 21339367920 25607241504 32009051880 42678735840 64018103760 128036207520
• Sum of all divisors σ(n): 488678330448
• Sum of proper divisors (its aliquot sum) s(n): 360642122928
• 128036207520 is an abundant number, because the sum of its proper divisors (360642122928) is greater than itself. Its abundance is 232605915408

Bases of 128036207520

• Binary: 1110111001111100011010111101110100000₂
• Hexadecimal: 0x1DCF8D7BA0
• Base-36: 1MTHGA00

Squares and roots of 128036207520

• 128036207520 squared (128036207520²) is 16393270436104504550400
• 128036207520 cubed (128036207520³) is 2098932175488557245021798699008000
• The square root of 128036207520 is 357821.4743695521
• The cube root of 128036207520 is 5040.1593487033

Scales and comparisons

• 128,036,207,520 seconds is equal to 4,071 years, 8 weeks, 13 hours, 12 minutes.
• To count from 1 to 128,036,207,520 would take you about eight thousand, one hundred forty-two 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 128036207520 cubic inches would be around 420 feet tall.

Recreational maths with 128036207520

• 128036207520 backwards is 025702630821
• 128036207520 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128036207520's digits is 36
• More coming soon!