1990849857174147840

Names of 1990849857174147840

• Cardinal: 1990849857174147840 can be written as One quintillion, nine hundred ninety quadrillion, eight hundred forty-nine trillion, eight hundred fifty-seven billion, one hundred seventy-four million, one hundred forty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.99084985717414784 × 10¹⁸

Factors of 1990849857174147840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 113237486

Divisors of 1990849857174147840

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 43 48 52 60 64 65 78 80 86 96 104 120 128 129 130 156 160 172 192 195 208 215 240 256 258 260 312 320 344 384 390 416 430 480 516 520 559 624 640 645 688 768 780 832 860 960 1032 1040 1118 1248 1280 1290 1376 1560 1664 1677 1720 1920 2064 2080 2236 2496 2580 2752 2795 3120 3328 3354 3440 3840 4128 4160 4472 4992 5160 5504 5590 6240 6708 6880 8191 8256 8320 8385 8944 9984 10320 11008 11180 12480 13416 13760 16382 16512 16640 16770 17888 20640 22360 24573 24960 26832 27520 32764 33024 33540 35776 40955 41280 44720 49146 49920 53664 55040 65528 67080 71552 81910 82560 89440 98292 106483 107328 122865 131056 134160 143104 163820 165120 178880 196584 212966 214656 245730 262112 268320 319449 327640 352213 357760 393168 425932 429312 491460 524224 532415 536640 638898 655280 704426 715520 786336 851864 982920 1048448 1056639 1064830 1073280 1277796 1310560 1408852 1572672 1597245 1703728 1761065 1965840 2096896 2113278 2129660 2146560 2555592 2621120 2817704 3145344 3194490 3407456 3522130 3931680 4226556 4259320 4578769 5111184 5242240 5283195 5635408 6290688 6388980 6814912 7044260 7863360 8453112 8518640 9157538 10222368 10484480 10566390 11270816 12777960 13629824 13736307 14088520 15726720 16906224 17037280 18315076 20444736 21132780 22541632 22893845 25555920 27259648 27472614 28177040 31453440 33812448 34074560 36630152 40889472 42265560 45083264 45787690 51111840 54945228 56354080 67624896 68149120 68681535 73260304 81778944 84531120 90166528 91575380 102223680 109890456 112708160 113229229 135249792 136298240 137363070 146520608 169062240 183150760 204447360 219780912 225416320 226458458 270499584 274726140 293041216 338124480 339687687 366301520 408894720 439561824 450832640 452916916 549452280 566146145 586082432 676248960 679375374 732603040 879123648 905833832 1098904560 1132292290 1172164864 1352497920 1358750748 1465206080 1471979977 1698438435 1758247296 1811667664 2197809120 2264584580 2717501496 2930412160 2943959954 3396876870 3516494592 3623335328 4395618240 4415939931 4529169160 4868856847 5435002992 5860824320 5887919908 6793753740 7246670656 7359899885 8791236480 8831879862 9058338320 9737713694 10870005984 11775839816 13587507480 14493341312 14606570541 14719799770 17582472960 17663759724 18116676640 19475427388 21740011968 22079699655 23551679632 24344284235 27175014960 28986682624 29213141082 29439599540 35327519448 36233353280 38950854776 43480023936 44159399310 47103359264 48688568470 54350029920 58426282164 58879199080 63295139011 70655038896 72466706560 73032852705 77901709552 86960047872 88318798620 94206718528 97377136940 108700059840 116852564328 117758398160 126590278022 141310077792 144933413120 146065705410 155803419104 176637597240 188413437056 189885417033 194754273880 217400119680 233705128656 235516796320 253180556044 282620155584 292131410820 311606838208 316475695055 353275194480 376826874112 379770834066 389508547760 434800239360 467410257312 471033592640 506361112088 565240311168 584262821640 623213676416 632951390110 706550388960 759541668132 779017095520 927460614739 934820514624 942067185280 949427085165 1012722224176 1130480622336 1168525643280 1246427352832 1265902780220 1413100777920 1519083336264 1558034191040 1854921229478 1869641029248 1884134370560 1898854170330 2025444448352 2337051286560 2531805560440 2782381844217 2826201555840 3038166672528 3116068382080 3709842458956 3739282058496 3797708340660 4050888896704 4637303073695 4674102573120 5063611120880 5564763688434 5652403111680 6076333345056 6232136764160 7419684917912 7595416681320 8101777793408 9274606147390 9348205146240 10127222241760 11129527376868 12056987991607 12152666690112 13911909221085 14839369835824 15190833362640 16203555586816 18549212294780 18696410292480 20254444483520 22259054753736 24113975983214 24305333380224 27823818442170 29678739671648 30381666725280 36170963974821 37098424589560 39880806433777 40508888967040 44518109507472 48227951966428 48610666760448 55647636884340 59357479343296 60284939958035 60763333450560 72341927949642 74196849179120 79761612867554 81017777934080 89036219014944 96455903932856 111295273768680 118714958686592 119642419301331 120569879916070 121526666901120 144683855899284 148393698358240 159523225735108 178072438029888 180854819874105 192911807865712 199404032168885 222590547537360 237429917373184 239284838602662 241139759832140 243053333802240 289367711798568 296787396716480 319046451470216 356144876059776 361709639748210 385823615731424 398808064337770 445181095074720 478569677205324 482279519664280 518450483639101 578735423597136 593574793432960 598212096506655 638092902940432 712289752119552 723419279496420 771647231462848 797616128675540 890362190149440 957139354410648 964559039328560 1036900967278202 1157470847194272 1187149586865920 1196424193013310 1276185805880864 1446838558992840 1543294462925696 1555351450917303 1595232257351080 1780724380298880 1914278708821296 1929118078657120 2073801934556404 2314941694388544 2392848386026620 2552371611761728 2592252418195505 2893677117985680 3086588925851392 3110702901834606 3190464514702160 3561448760597760 3828557417642592 3858236157314240 4147603869112808 4629883388777088 4785696772053240 5104743223523456 5184504836391010 5787354235971360 6221405803669212 6380929029404320 7657114835285184 7716472314628480 7776757254586515 8295207738225616 9259766777554176 9571393544106480 10209486447046912 10369009672782020 11574708471942720 12442811607338424 12761858058808640 15314229670570368 15432944629256960 15553514509173030 16590415476451232 19142787088212960 20738019345564040 23149416943885440 24885623214676848 25523716117617280 30628459341140736 31107029018346060 33180830952902464 38285574176425920 41476038691128080 46298833887770880 49771246429353696 51047432235234560 62214058036692120 66361661905804928 76571148352851840 82952077382256160 99542492858707392 124428116073384240 132723323811609856 153142296705703680 165904154764512320 199084985717414784 248856232146768480 331808309529024640 398169971434829568 497712464293536960 663616619058049280 995424928587073920 1990849857174147840
• Sum of all divisors σ(n): 7007471685300387840
• Sum of proper divisors (its aliquot sum) s(n): 5016621828126240000
• 1990849857174147840 is an abundant number, because the sum of its proper divisors (5016621828126240000) is greater than itself. Its abundance is 3025771970952092160

Bases of 1990849857174147840

• Binary: 1101110100000111010110110010110101010000000001001001100000000₂
• Hexadecimal: 0x1BA0EB65AA009300
• Base-36: F4IPDIETFFUO

Squares and roots of 1990849857174147840

• 1990849857174147840 squared (1990849857174147840²) is 3963483153810324853752045230176665600
• 1990849857174147840 cubed (1990849857174147840³) is 7890699870675426270328261002933981366914388332642304000
• The square root of 1990849857174147840 is 1410974789.7018386629
• The cube root of 1990849857174147840 is 1257996.7026363789

Scales and comparisons

• 1,990,849,857,174,147,840 seconds is equal to 63,302,867,355 years, 10 weeks, 3 days, 9 hours, 4 minutes.
• To count from 1 to 1,990,849,857,174,147,840 would take you about two hundred twenty-one billion, five hundred sixty million, thirty-five thousand, seven hundred forty-three 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 1990849857174147840 cubic inches would be around 104833.1 feet tall.

Recreational maths with 1990849857174147840

• 1990849857174147840 backwards is 0487414717589480991
• 1990849857174147840 is a Harshad number.
• The number of decimal digits it has is: 19
• The sum of 1990849857174147840's digits is 96
• More coming soon!