1389955156661890

Names of 1389955156661890

• Cardinal: 1389955156661890 can be written as One quadrillion, three hundred eighty-nine trillion, nine hundred fifty-five billion, one hundred fifty-six million, six hundred sixty-one thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.38995515666189 × 10¹⁵

Factors of 1389955156661890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1133

Divisors of 1389955156661890

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 49 65 70 91 98 109 130 169 182 218 245 338 455 490 545 637 763 845 910 997 1090 1183 1274 1417 1526 1690 1994 2197 2366 2834 3185 3815 4394 4985 5341 5915 6370 6979 7085 7630 8281 9919 9970 10682 10985 11830 11881 12961 13958 14170 15379 16562 18421 19838 21970 23762 25922 26705 30758 34895 36842 41405 48853 49595 53410 59405 64805 69433 69790 76895 82810 83167 90727 92105 97706 99190 107653 108673 118810 128947 129610 138866 153790 154453 166334 168493 181454 184210 215306 217346 239473 244265 257894 308906 336986 347165 415835 453635 478946 488530 538265 543365 582169 635089 644735 694330 760711 772265 831670 842465 902629 907270 1076530 1081171 1086730 1164338 1179451 1197365 1270178 1289470 1295029 1412749 1521422 1544530 1676311 1684930 1805258 2007889 2162342 2190409 2358902 2394730 2590058 2825498 2910845 3175445 3352622 3803555 4015778 4380818 4513145 5324977 5405855 5821690 5897255 6350890 6475145 7063745 7568197 7607110 8256157 8381555 9026290 9065203 9889243 10039445 10649954 10811710 10952045 11734177 11794510 11845357 12950290 14055223 14127490 15136394 15332863 16512314 16763110 16835377 18130406 18365737 19778486 20078890 21904090 23468354 23690714 26102557 26624885 28110446 30665726 33670754 36731474 37840985 41280785 45326015 49446215 52205114 53249770 58670885 59226785 63456421 69224701 70276115 75681970 76664315 82561570 82917499 84176885 90652030 91828685 98386561 98892430 107330041 117341770 117847639 118453570 126912842 128560159 130512785 138449402 140552230 153328630 153989641 165834998 168353770 182717899 183657370 196773122 214660082 218859901 235695278 238754581 257120318 261025570 307979282 317282105 346123505 365435798 414587495 437719802 477509162 491932805 536650205 580422493 589238195 634564210 642800795 692247010 769948205 824933473 829174990 899921113 913589495 983865610 1073300410 1077927487 1094299505 1160844986 1178476390 1193772905 1279025293 1285601590 1291143913 1532019307 1539896410 1649866946 1671282067 1799842226 1827178990 2001865333 2155854974 2188599010 2387545810 2558050586 2582287826 2845178713 2902112465 3064038614 3342564134 4003730666 4124667365 4499605565 5389637435 5690357426 5804224930 6395126465 6455719565 7545492409 7660096535 8249334730 8356410335 8999211130 9038007391 10009326665 10724135149 10779274870 11698974469 12790252930 12911439130 14013057331 14225893565 15090984818 15320193070 16712820670 16784870869 18076014782 19916250991 20018653330 21448270298 23397948938 26024249329 28026114662 28451787130 33569741738 37727462045 39832501982 45190036955 52048498658 53620675745 58494872345 63266051737 70065286655 75454924090 83924354345 90380073910 98091401317 99581254955 107241351490 116989744690 117494096083 126532103474 130121246645 139413756937 140130573310 167848708690 182169745303 196182802634 199162509910 218203321297 234988192166 260242493290 278827513874 316330258685 364339490606 436406642594 490457006585 587470480415 632660517370 697068784685 822458672581 910848726515 980914013170 1091016606485 1174940960830 1275188217121 1394137569370 1527423249079 1644917345162 1821697453030 2182033212970 2550376434242 2836643176861 3054846498158 4112293362905 5673286353722 6375941085605 7637116245395 8224586725810 10691962743553 12751882171210 14183215884305 15274232490790 19856502238027 21383925487106 28366431768610 39713004476054 53459813717765 99282511190135 106919627435530 138995515666189 198565022380270 277991031332378 694977578330945 1389955156661890
• Sum of all divisors σ(n): 3185202825604800
• Sum of proper divisors (its aliquot sum) s(n): 1795247668942910
• 1389955156661890 is an abundant number, because the sum of its proper divisors (1795247668942910) is greater than itself. Its abundance is 405292512281020

Bases of 1389955156661890

• Binary: 100111100000010100000100111010111011101011010000010₂
• Hexadecimal: 0x4F028275DD682
• Base-36: DOP4L0P4EA

Squares and roots of 1389955156661890

• 1389955156661890 squared (1389955156661890²) is 1931975337530979172847778372100
• 1389955156661890 cubed (1389955156661890³) is 2685359082944779967186764556161897574309269000
• The square root of 1389955156661890 is 37282102.3637601479
• The cube root of 1389955156661890 is 111600.7028348521

Scales and comparisons

• 1,389,955,156,661,890 seconds is equal to 44,196,274 years, 29 weeks, 3 days, 20 hours, 18 minutes, 10 seconds.
• To count from 1 to 1,389,955,156,661,890 would take you about one hundred thirty-two million, five hundred eighty-eight thousand, eight hundred twenty-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 1389955156661890 cubic inches would be around 9300.1 feet tall.

Recreational maths with 1389955156661890

• 1389955156661890 backwards is 0981666515599831
• The number of decimal digits it has is: 16
• The sum of 1389955156661890's digits is 82
• More coming soon!