128634072840

Names of 128634072840

• Cardinal: 128634072840 can be written as One hundred twenty-eight billion, six hundred thirty-four million, seventy-two thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.2863407284 × 10¹¹

Factors of 128634072840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 806

Divisors of 128634072840

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 19 20 21 24 26 27 28 30 35 36 38 39 40 42 45 49 52 54 56 57 60 63 65 70 72 76 78 84 90 91 95 98 104 105 108 114 117 120 126 130 133 135 140 147 152 156 168 169 171 180 182 189 190 195 196 210 216 228 234 245 247 252 260 266 270 273 280 285 294 312 315 338 342 351 360 364 378 380 390 392 399 420 441 455 456 468 490 494 504 507 513 520 532 540 546 570 585 588 630 637 665 676 684 702 728 735 741 756 757 760 780 798 819 840 845 855 882 910 931 936 945 980 988 1014 1026 1064 1080 1092 1140 1170 1176 1183 1197 1235 1260 1274 1323 1330 1352 1365 1368 1404 1470 1482 1512 1514 1521 1560 1596 1638 1690 1710 1729 1755 1764 1820 1862 1890 1911 1960 1976 1995 2028 2052 2184 2205 2223 2271 2280 2340 2366 2394 2457 2470 2520 2535 2548 2565 2646 2660 2730 2793 2808 2940 2964 3028 3042 3185 3192 3211 3276 3380 3420 3458 3510 3528 3549 3591 3640 3705 3724 3780 3785 3822 3990 4056 4095 4104 4410 4446 4542 4563 4655 4680 4732 4788 4914 4940 5070 5096 5130 5187 5292 5299 5320 5460 5586 5733 5880 5915 5928 5985 6056 6084 6370 6422 6552 6615 6669 6760 6813 6840 6916 7020 7098 7182 7410 7448 7560 7570 7605 7644 7980 8190 8281 8379 8645 8820 8892 9084 9126 9310 9464 9555 9576 9633 9828 9841 9880 10140 10260 10374 10584 10598 10647 10920 11115 11172 11355 11466 11830 11970 12103 12168 12285 12740 12844 13230 13338 13626 13832 13965 14040 14196 14364 14383 14820 15140 15210 15288 15561 15897 15960 16055 16380 16562 16758 17199 17290 17640 17745 17784 17955 18168 18252 18620 19110 19266 19656 19682 20280 20439 20520 20748 21196 21294 22230 22344 22477 22710 22815 22932 23660 23940 24206 24570 24843 25137 25480 25688 25935 26460 26495 26676 27252 27930 28392 28665 28728 28766 28899 29523 29640 30280 30420 31122 31794 31941 32110 32760 33124 33345 33516 34065 34398 34580 35490 35910 36309 36504 37093 37240 38220 38532 39364 40878 41405 41496 41895 42392 42588 43149 44460 44954 45420 45630 45864 46683 47320 47691 47880 48165 48412 49140 49205 49686 50274 51870 52920 52990 53235 53352 54504 55860 57330 57532 57798 59046 60515 60840 62244 63588 63882 64220 66248 66690 67032 67431 68130 68796 68887 69160 70980 71820 71915 72618 74186 74529 76440 77064 77805 78728 79485 81756 82810 83790 85176 85995 86298 86697 88569 88920 89908 90840 91260 93366 95382 96330 96824 98280 98410 99372 100548 100681 102195 103740 105980 106470 108927 111279 111720 112385 114660 115064 115596 118092 121030 124215 124488 125685 127176 127764 127933 128440 129447 133380 134862 136260 137592 137774 141960 143073 143640 143830 144495 145236 147615 148372 149058 155610 157339 158970 159705 163512 165620 167580 171990 172596 173394 177138 179816 181545 182520 185465 186732 186979 190764 192660 196820 198744 201096 201362 202293 204390 206661 207480 211960 212940 215745 217854 222558 223587 224770 229320 231192 233415 236184 238455 242060 248430 251370 255528 255866 258894 265707 266760 269724 272520 275548 286146 287660 288990 290472 295230 296744 298116 302043 311220 314678 317940 319410 326781 331240 333837 335160 337155 343980 344435 345192 346788 354276 363090 370930 372645 373464 373958 381528 383799 385320 388341 393640 402724 404586 408780 413322 425880 431490 433485 435708 442845 445116 447174 449540 466830 472017 476910 482209 484120 496860 502740 503405 511732 517788 531414 539448 544635 551096 556395 560937 572292 575320 577980 590460 596232 604086 606879 619983 622440 629356 635880 638820 639665 647235 653562 667674 674310 687960 688870 693576 704767 708552 715365 726180 741860 745290 747916 767598 776682 786695 805448 809172 817560 826644 862980 866970 871416 885690 890232 894348 895531 899080 906129 933660 934895 944034 953820 964418 993720 1001511 1005480 1006810 1011465 1023464 1033305 1035576 1062828 1089270 1112790 1117935 1121874 1144584 1151397 1155960 1180920 1208172 1213758 1239966 1258712 1277640 1279330 1294470 1307124 1308853 1328535 1335348 1348620 1377740 1409534 1416051 1430730 1446627 1452360 1483720 1490580 1495832 1510215 1535196 1553364 1573390 1618344 1633905 1653288 1669185 1682811 1725960 1733940 1771380 1788696 1791062 1812258 1859949 1867320 1869790 1888068 1907640 1918995 1928836 1941705 2003022 2013620 2022930 2066610 2114301 2125656 2178540 2225580 2235870 2243748 2302794 2360085 2411045 2416344 2427516 2430727 2479932 2558660 2588940 2614248 2617706 2657070 2670696 2686593 2697240 2718387 2755480 2804685 2819068 2832102 2861460 2893254 2981160 3020430 3034395 3070392 3099915 3106728 3146780 3267810 3338370 3365622 3454191 3467880 3523835 3542760 3582124 3624516 3719898 3739580 3776136 3837990 3857672 3883410 3926559 4006044 4027240 4045860 4133220 4228602 4248153 4339881 4357080 4451160 4471740 4477655 4487496 4530645 4605588 4720170 4822090 4855032 4861454 4959864 5007555 5048433 5117320 5177880 5235412 5314140 5373186 5436774 5609370 5638136 5664204 5722920 5756985 5786508 6040860 6068790 6199830 6268717 6293560 6342903 6535620 6544265 6676740 6731244 6908382 7047670 7080255 7164248 7233135 7249032 7292181 7439796 7479160 7675980 7766820 7853118 8012088 8059779 8091720 8266440 8414055 8457204 8496306 8679762 8943480 8955310 9061290 9161971 9211176 9299745 9440340 9644180 9722908 10015110 10096866 10470824 10571505 10628280 10746372 10873548 11218740 11328408 11513970 11573016 11779677 12081720 12137580 12153635 12399660 12537434 12685806 13019643 13071240 13088530 13353480 13432965 13462488 13591935 13816764 14095340 14160510 14466270 14584362 14879592 15351960 15533640 15706236 16119558 16828110 16914408 16992612 17015089 17270955 17359524 17910620 18122580 18323942 18599490 18806151 18880680 19028709 19288360 19445816 19632795 20030220 20193732 21143010 21240765 21492744 21699405 21747096 21876543 22437480 23027940 23559354 24179337 24275160 24307270 24799320 25074868 25242165 25371612 26039286 26177060 26865930 27183870 27485913 27633528 28190680 28321020 28932540 29168724 31343585 31412472 31714515 32239116 33656220 33985224 34030178 34541910 34719048 35339031 35821240 36245160 36460905 36647884 37198980 37612302 38057418 39265590 40060440 40298895 40387464 42286020 42481530 43398810 43753086 45809855 46055880 47118708 48358674 48614540 50149736 50484330 50743224 51045267 52078572 52354120 53731860 54367740 54971826 56418453 56642040 57865080 58337448 58898385 62687170 63429030 64478232 65098215 65629629 67312440 68060356 69083820 70678062 72921810 73295768 74397960 75224604 76114836 78531180 80597790 82457739 84572040 84963060 85075445 86797620 87506172 91619710 94030755 94237416 95143545 96717348 97229080 100968660 102090534 104157144 107463720 108735480 109382715 109943652 112836906 117796770 119105623 120896685 125374340 126858060 130196430 131259258 136120712 137429565 138167640 141356124 145843620 150449208 152229672 153135801 157062360 161195580 164915478 169255359 169926120 170150890 173595240 175012344 176695155 183239420 188061510 190287090 193434696 201937320 204181068 218765430 219887304 225673812 235593540 238211246 241793370 247373217 250748680 253716120 255226335 260392860 262518516 274859130 282092265 282712248 291687240 306271602 322391160 328148145 329830956 338510718 340301780 353390310 357316869 366478840 376123020 380574180 408362136 412288695 437530860 451347624 459407403 471187080 476422492 483586740 494746434 510452670 520785720 525037032 549718260 564184530 595528115 612543204 656296290 659661912 677021436 680603560 706780620 714633738 752246040 761148360 765679005 824577390 846276795 875061720 918814806 952844984 967173480 989492868 1020905340 1071950607 1099436520 1128369060 1191056230 1225086408 1236866085 1312592580 1354042872 1413561240 1429267476 1531358010 1649154780 1692553590 1786584345 1837629612 1978985736 2041810680 2143901214 2256738120 2297037015 2382112460 2473732170 2625185160 2858534952 3062716020 3215851821 3298309560 3385107180 3573168690 3675259224 4287802428 4594074030 4764224920 4947464340 5359753035 6125432040 6431703642 6770214360 7146337380 8575604856 9188148060 9894928680 10719506070 12863407284 14292674760 16079259105 18376296120 21439012140 25726814568 32158518210 42878024280 64317036420 128634072840
• Sum of all divisors σ(n): 569282256000
• Sum of proper divisors (its aliquot sum) s(n): 440648183160
• 128634072840 is an abundant number, because the sum of its proper divisors (440648183160) is greater than itself. Its abundance is 312014110320

Bases of 128634072840

• Binary: 1110111110011001100000010111100001000₂
• Hexadecimal: 0x1DF3302F08
• Base-36: 1N3DELU0

Squares and roots of 128634072840

• 128634072840 squared (128634072840²) is 16546724695406425665600
• 128634072840 cubed (128634072840³) is 2128472589732336972472835882304000
• The square root of 128634072840 is 358655.9254215663
• The cube root of 128634072840 is 5047.9921808101

Scales and comparisons

• 128,634,072,840 seconds is equal to 4,090 years, 8 weeks, 4 days, 6 hours, 54 minutes.
• To count from 1 to 128,634,072,840 would take you about eight thousand, one hundred eighty 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 128634072840 cubic inches would be around 420.7 feet tall.

Recreational maths with 128634072840

• 128634072840 backwards is 048270436821
• 128634072840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128634072840's digits is 45
• More coming soon!