840142423890

Names of 840142423890

• Cardinal: 840142423890 can be written as Eight hundred forty billion, one hundred forty-two million, four hundred twenty-three thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 8.4014242389 × 10¹¹

Factors of 840142423890

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 357

Divisors of 840142423890

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 19 21 22 27 29 30 33 35 38 42 45 54 55 57 58 63 66 70 77 81 87 90 95 99 105 110 114 126 133 135 145 154 162 165 171 174 189 190 198 203 209 210 231 243 261 266 270 281 285 290 297 315 319 330 342 378 385 399 405 406 418 435 462 486 495 513 522 551 562 567 570 594 609 627 630 638 665 693 770 783 798 810 841 843 855 870 891 945 957 990 1015 1026 1045 1102 1134 1155 1197 1215 1218 1254 1305 1330 1386 1405 1463 1485 1539 1566 1595 1653 1682 1686 1701 1710 1782 1827 1881 1890 1914 1967 1995 2030 2079 2090 2233 2310 2349 2394 2430 2523 2529 2565 2610 2673 2755 2810 2835 2871 2926 2970 3045 3078 3091 3135 3190 3306 3402 3465 3591 3654 3762 3857 3915 3934 3990 4158 4205 4215 4389 4455 4466 4617 4698 4785 4959 5046 5058 5130 5339 5346 5481 5510 5643 5670 5742 5887 5901 5985 6061 6090 6182 6237 6270 6699 6930 7047 7182 7315 7569 7587 7695 7714 7830 8149 8265 8410 8430 8505 8613 8778 8910 9135 9234 9251 9273 9405 9570 9835 9918 10395 10678 10773 10962 11165 11286 11571 11745 11774 11802 11970 12122 12474 12615 12645 13167 13365 13398 14094 14355 14630 14877 15138 15174 15390 15455 15979 16017 16298 16443 16530 16929 17010 17226 17661 17703 17955 18183 18270 18502 18546 18711 18810 19285 19670 20097 20790 21546 21637 21945 22330 22707 22761 23085 23142 23490 24447 24795 25230 25290 25839 26334 26695 26730 27405 27753 27819 28215 28710 29435 29505 29754 30305 30910 31185 31958 32034 32319 32886 33495 33858 34713 35235 35322 35406 35910 36366 37373 37422 37845 37935 38570 39501 40194 40745 42427 43065 43274 43890 44631 45414 45522 46170 46255 46365 47937 48051 48894 49329 49590 50787 51678 52983 53109 53390 53865 54549 54810 55506 55638 56430 57043 57855 58729 58870 59010 60291 60610 62370 64638 64757 64911 65835 66990 68121 68283 69426 70470 73341 74385 74746 75690 75870 77517 79002 79895 80085 81490 82215 83259 83457 84645 84854 86130 88305 88515 89262 89639 90915 92510 92730 93555 95874 96102 98658 100485 101574 104139 105966 106218 107730 108185 109098 111853 112119 113535 113805 114086 115710 117458 118503 120582 122235 127281 129195 129514 129822 131670 133893 136242 136566 138765 139095 143811 144153 146682 148770 154831 155034 158949 159327 159790 160170 161595 163647 164430 166518 166914 169290 171129 173565 175769 176187 176610 177030 179278 180873 181830 186865 187110 194271 194733 197505 200970 204363 208278 212135 216370 220023 223155 223706 224238 227070 227610 236321 237006 239685 240255 244470 246645 249777 250371 253935 254562 258390 264915 265545 267786 268917 272745 277530 278190 285215 287622 288306 293645 301455 309662 312417 317898 318654 323190 323785 324555 327294 335559 336357 340605 341415 342258 347130 351538 352374 355509 361746 366705 373730 381843 387585 388542 389466 395010 408726 411103 416295 417285 424270 431433 432459 440046 446310 448195 464493 472642 476847 477981 479370 480510 490941 493290 499554 500742 507870 513387 520695 527307 528561 529830 531090 537834 542619 545490 559265 560595 570430 582813 584199 587290 592515 602910 624834 627473 636405 647570 649110 660069 669465 671118 672714 681210 682830 708963 711018 719055 720765 733410 749331 751113 763686 774155 775170 794745 796635 806751 818235 822206 832590 834570 855645 862866 864918 878845 880935 896390 904365 928986 937251 953694 955962 971355 973665 981882 1006677 1009071 1021815 1026774 1041390 1054614 1057122 1083817 1085238 1100115 1118530 1121190 1145529 1165626 1168398 1181605 1185030 1230383 1233309 1248885 1251855 1254946 1272810 1294299 1297377 1320138 1338930 1344585 1393479 1417926 1430541 1438110 1441530 1472823 1498662 1502226 1540161 1548310 1562085 1581921 1585683 1589490 1593270 1613502 1636470 1654247 1677795 1681785 1703141 1711290 1748439 1752597 1757690 1761870 1777545 1808730 1874502 1882419 1909215 1942710 1947330 1980207 2013354 2018142 2043630 2055515 2126889 2157165 2162295 2167634 2200230 2247993 2291058 2322465 2363210 2384235 2389905 2420253 2454705 2460766 2466618 2497770 2503710 2566935 2588598 2594754 2599531 2636535 2642805 2689170 2713095 2786958 2861082 2914065 2920995 2945646 3020031 3027213 3080322 3124170 3137365 3163842 3171366 3251451 3300345 3308494 3355590 3363570 3406282 3436587 3496878 3505194 3544815 3555090 3691149 3699927 3746655 3755565 3764838 3818430 3882897 3960414 4033755 4111030 4180437 4253778 4314330 4324590 4490099 4495986 4620483 4644930 4686255 4745763 4757049 4768470 4779810 4840506 4909410 4962741 5033385 5045355 5109423 5133870 5199062 5245317 5257791 5273070 5285610 5419085 5426190 5647257 5727645 5828130 5841990 6040062 6054426 6151915 6166545 6274730 6380667 6471495 6486885 6502902 6600690 6873174 6967395 7089630 7152705 7260759 7364115 7382298 7399854 7493310 7511130 7700805 7765794 7798593 7909605 7928415 8067510 8271235 8360874 8515705 8742195 8762985 8980198 9060093 9081639 9240966 9372510 9412095 9491526 9514098 9754353 9901035 9925482 10066770 10090710 10218846 10309761 10490634 10515582 10634445 10838170 11073447 11099781 11239965 11294514 11455290 11921987 12101265 12303830 12333090 12541311 12761334 12942990 12973770 12997655 13470297 13861449 13934790 14237289 14271147 14305410 14521518 14728230 14888223 15100155 15136065 15328269 15401610 15597186 15735951 15819210 15856830 16257255 16542470 16941771 17031410 17182935 17484390 17525970 18120186 18163278 18196717 18455745 18499635 18824190 19142001 19414485 19508706 19802070 20619522 20902185 21268890 21782277 22146894 22199562 22450495 22479930 23102415 23395779 23728815 23785245 23843974 24202530 24813705 25082622 25547115 25995310 26226585 26288955 26940594 27180279 27722898 28236285 28474578 28542294 29263059 29776446 30200310 30272130 30656538 31430693 31471902 31903335 32514510 33220341 33299343 33883542 34365870 35765961 36303795 36393434 36911490 36999270 37623933 38284002 38828970 38992965 40410891 41804370 42711867 43564554 44664669 44900990 45300465 45408195 45984807 46204830 46791558 47457630 47570490 48771765 49391089 49627410 50825313 51094230 51548805 52453170 52577910 54360558 54590151 55367235 55498905 56472570 57426003 58526118 59609935 62706555 62861386 63806670 66440682 66598686 67351485 69307245 70187337 71186445 71355735 71531922 72607590 74441115 75247866 76641345 77985930 78679755 80821782 84708855 85423734 87789177 89329338 90600930 90816390 90983585 91969614 94292079 95710005 97543530 98782178 99661023 99898029 101650626 103097610 107297883 108911385 109180302 110734470 110997810 114852006 116978895 119219870 121232673 125413110 133994007 134702970 135901395 137954421 138614490 140374674 142372890 142711470 146315295 148173267 148882230 152475939 153282690 157153465 157359510 163770453 166101705 166496715 169417710 175578354 178829805 181967170 188119665 188584158 191420010 199322046 199796058 202054455 210562011 213559335 214595766 217822770 223323345 229924035 233957790 242465346 246955445 254126565 263367531 267988014 271802790 272950755 275908842 282876237 287130015 292630590 296346534 298983069 304951878 314306930 321893649 327540906 332203410 332993430 345737623 350936685 357659610 363698019 376239330 401982021 404108910 413863263 421124022 427118670 438945885 444519801 446646690 459848070 471460395 491311359 493910890 498305115 499490145 508253130 526735062 536489415 545901510 565752474 574260030 597966138 606163365 631686033 643787298 669970035 689772105 691475246 701873370 727396038 740866335 762379695 803964042 818852265 827726526 848628711 877891770 889039602 942920790 965680947 982622718 996610230 998980290 1037212869 1052810055 1072978830 1091094057 1212326730 1263372066 1316837655 1333559403 1339940070 1379544210 1414381185 1473934077 1481732670 1494915345 1524759390 1609468245 1637704530 1697257422 1728688115 1818490095 1931361894 2009910105 2069316315 2074425738 2105620110 2182188114 2222599005 2456556795 2545886133 2633675310 2667118806 2828762370 2897042841 2947868154 2989830690 3111638607 3158430165 3218936490 3457376230 3636980190 4000678209 4019820210 4138632630 4243143555 4421802231 4445198010 4828404735 4913113590 5091772266 5186064345 5455470285 5794085682 6223277214 6316860330 6667797015 7369670385 7637658399 8001356418 8486287110 8843604462 9334915821 9656809470 10372128690 10910940570 12002034627 12729430665 13335594030 14485214205 14739340770 15275316798 15558193035 18669831642 20003391045 22109011155 24004069254 25458861330 28004747463 28970428410 31116386070 38188291995 40006782090 44218022310 46674579105 56009494926 60010173135 76376583990 84014242389 93349158210 120020346270 140023737315 168028484778 280047474630 420071211945 840142423890
• Sum of all divisors σ(n): 3089885460480
• Sum of proper divisors (its aliquot sum) s(n): 2249743036590
• 840142423890 is an abundant number, because the sum of its proper divisors (2249743036590) is greater than itself. Its abundance is 1409600612700

Bases of 840142423890

• Binary: 1100001110011100011001000000011101010010₂
• Hexadecimal: 0xC39C640752
• Base-36: APYF3V4I

Squares and roots of 840142423890

• 840142423890 squared (840142423890²) is 705839292419764442732100
• 840142423890 cubed (840142423890³) is 593005534010343402259781587909869000
• The square root of 840142423890 is 916592.8342999415
• The cube root of 840142423890 is 9435.9211942499

Scales and comparisons

• 840,142,423,890 seconds is equal to 26,713 years, 48 weeks, 2 days, 15 hours, 31 minutes, 30 seconds.
• To count from 1 to 840,142,423,890 would take you about fifty-three thousand, four hundred twenty-seven 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 840142423890 cubic inches would be around 786.3 feet tall.

Recreational maths with 840142423890

• 840142423890 backwards is 098324241048
• 840142423890 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 840142423890's digits is 45
• More coming soon!