1989405971280

Names of 1989405971280

• Cardinal: 1989405971280 can be written as One trillion, nine hundred eighty-nine billion, four hundred five million, nine hundred seventy-one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.98940597128 × 10¹²

Factors of 1989405971280

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 452

Divisors of 1989405971280

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 35 36 39 40 42 45 48 52 54 56 60 63 65 70 72 78 80 84 90 91 104 105 108 112 117 120 126 130 135 140 144 156 168 180 182 189 193 195 208 210 216 229 234 240 252 260 270 273 280 312 315 336 351 360 364 378 386 390 420 432 455 458 468 504 520 540 546 560 579 585 624 630 687 702 720 728 756 772 780 819 840 910 916 936 945 965 1008 1040 1080 1092 1145 1158 1170 1260 1351 1365 1374 1404 1456 1512 1544 1560 1603 1638 1680 1737 1755 1820 1832 1872 1890 1930 2061 2160 2184 2290 2316 2340 2457 2509 2520 2702 2730 2748 2808 2895 2977 3024 3088 3120 3206 3276 3435 3474 3510 3640 3664 3780 3860 4053 4095 4122 4368 4580 4632 4680 4809 4914 5018 5040 5211 5404 5460 5496 5616 5790 5954 6183 6412 6552 6755 6870 6948 7020 7280 7527 7560 7720 8015 8106 8190 8244 8685 8931 9160 9264 9360 9618 9828 10036 10305 10422 10808 10920 10992 11580 11908 12159 12285 12366 12545 12824 13104 13510 13740 13896 14040 14427 14885 15054 15120 15440 16030 16212 16380 16488 17370 17563 17862 18320 19236 19656 20072 20265 20610 20839 20844 21616 21840 22581 23160 23816 24045 24318 24570 24732 25090 25648 26055 26793 27020 27480 27792 28080 28854 29770 30108 30915 32060 32424 32760 32976 34740 35126 35724 36477 37635 38472 39312 40144 40530 41220 41678 41688 43281 44197 44655 45162 46320 47632 48090 48636 49140 49464 50180 52110 52441 52689 53586 54040 54960 57708 59540 60216 60795 61830 62517 64120 64848 65520 67743 69480 70252 71448 72135 72954 75270 76944 80379 81060 82440 83356 83376 86562 87815 88394 89310 90324 96180 97272 98280 98928 100360 104195 104220 104882 105378 107172 108080 112905 115416 119080 120432 121590 123660 125034 128240 132591 133965 135486 138960 140504 142896 144270 145908 150540 157323 158067 160758 162120 164880 166712 173124 175630 176788 178620 180648 182385 187551 192360 194544 196560 200720 208390 208440 209764 210756 214344 216405 220985 225810 230832 238160 243180 247320 250068 262205 263445 265182 267930 270972 281008 288540 291816 301080 309379 312585 314646 316134 321516 324240 333424 338715 346248 351260 353576 357240 361296 364770 367087 375102 384720 397773 401895 416780 416880 419528 421512 428688 432810 441970 451620 471969 474201 486360 494640 500136 524410 526890 530364 535860 541944 562653 574561 577080 583632 602160 618758 625170 629292 632268 643032 662955 677430 681733 692496 702520 707152 714480 729540 734174 750204 786615 790335 795546 803790 833560 839056 843024 865620 883940 903240 928137 937755 943938 948402 972720 1000272 1048820 1053780 1060728 1071720 1083888 1101261 1125306 1149122 1154160 1193319 1237516 1250340 1258584 1264536 1286064 1325910 1354860 1363466 1405040 1415907 1459080 1468348 1500408 1546895 1573230 1580670 1591092 1607580 1667120 1723683 1731240 1767880 1806480 1835435 1856274 1875510 1887876 1896804 1988865 2045199 2097640 2107560 2121456 2143440 2202522 2250612 2298244 2359845 2371005 2386638 2475032 2500680 2517168 2529072 2651820 2709720 2726932 2784411 2813265 2831814 2872805 2918160 2936696 3000816 3093790 3146460 3161340 3182184 3215160 3303783 3408665 3447366 3462480 3535760 3670870 3712548 3751020 3775752 3793608 3977730 4021927 4090398 4195280 4215120 4405044 4501224 4596488 4640685 4719690 4742010 4772131 4773276 4950064 5001360 5171049 5303640 5419440 5453864 5506305 5568822 5626530 5663628 5745610 5873392 5966595 6135597 6187580 6292920 6322680 6364368 6430320 6607566 6817330 6894732 7079535 7341740 7425096 7502040 7551504 7587216 7955460 8043854 8180796 8353233 8618415 8810088 9002448 9192976 9281370 9439380 9484020 9544262 9546552 9911349 10121113 10225995 10342098 10607280 10907728 11012610 11137644 11253060 11327256 11491220 11933190 12065781 12271194 12375160 12585840 12645360 13215132 13634660 13789464 13922055 14159070 14316393 14683480 14850192 15004080 15513147 15910920 16087708 16361592 16518915 16706466 17236830 17620176 18406791 18562740 18878760 18968040 19088524 19093104 19822698 20109635 20242226 20451990 20684196 22025220 22275288 22506120 22654512 22982440 23860655 23866380 24131562 24542388 24750320 25855245 26430264 27269320 27578928 27844110 28318140 28632786 29366960 30363339 30677985 31026294 31821840 32175416 32723184 33037830 33412932 34473660 36197343 36813582 37125480 37757520 37936080 38177048 39645396 40219270 40484452 40903980 41368392 41766165 42949179 44050440 44550576 45012240 45964880 47721310 47732760 48263124 49084776 49556745 50605565 51710490 52860528 54538640 55688220 56636280 57265572 60328905 60726678 61355970 62052588 64350832 66075660 66825864 68947320 70847791 71581965 72394686 73627164 74250960 76354096 77565735 79290792 80438540 80968904 81807960 82736784 83532330 85898358 88100880 91090017 92033955 95442620 95465520 96526248 98169552 99113490 101211130 103420980 108592029 111376440 113272560 114531144 120657810 121453356 122711940 124105176 128847537 131574469 132151320 133651728 137894640 141695582 143163930 144789372 147254328 151816695 155131470 158581584 160877080 161937808 163615920 167064660 171796716 180986715 182180034 184067910 190885240 193052496 198226980 202422260 206841960 212543373 214745895 217184058 222752880 229062288 241315620 242906712 245423880 248210352 257695074 263148938 264302640 273270051 283391164 286327860 289578744 294508656 303633390 310262940 321754160 334129320 343593432 354238955 361973430 364360068 368135820 381770480 394723407 396453960 404844520 413683920 425086746 429491790 434368116 455450085 482631240 485813424 490847760 515390148 526297876 542960145 546540102 566782328 572655720 579157488 607266780 620525880 637630119 644237685 657872345 668258640 687186864 708477910 723946860 728720136 736271640 789446814 792907920 809689040 850173492 858983580 868736232 910900170 921021283 965262480 1030780296 1052595752 1062716865 1085920290 1093080204 1133564656 1145311440 1184170221 1214533560 1241051760 1275260238 1288475370 1315744690 1366350255 1416955820 1447893720 1457440272 1472543280 1578893628 1700346984 1717967160 1737472464 1821800340 1842042566 1912890357 1973617035 2061560592 2105191504 2125433730 2171840580 2186160408 2368340442 2429067120 2550520476 2576950740 2631489380 2732700510 2763063849 2833911640 2895787440 3157787256 3188150595 3400693968 3435934320 3552510663 3643600680 3684085132 3825780714 3947234070 4250867460 4343681160 4372320816 4605106415 4736680884 5101040952 5153901480 5262978760 5465401020 5526127698 5667823280 5920851105 6315574512 6376301190 7105021326 7287201360 7368170264 7651561428 7894468140 8289191547 8501734920 8687362320 9210212830 9473361768 9564451785 10202081904 10307802960 10525957520 10930802040 11052255396 11841702210 12752602380 13815319245 14210042652 14736340528 15303122856 15788936280 16578383094 17003469840 17762553315 18420425660 18946723536 19128903570 21861604080 22104510792 23683404420 24867574641 25505204760 27630638490 28420085304 30606245712 31577872560 33156766188 35525106630 36840851320 38257807140 41445957735 44209021584 47366808840 49735149282 51010409520 55261276980 56840170608 66313532376 71050213260 73681702640 76515614280 82891915470 94733617680 99470298564 110522553960 124337873205 132627064752 142100426520 153031228560 165783830940 198940597128 221045107920 248675746410 284200853040 331567661880 397881194256 497351492820 663135323760 994702985640 1989405971280
• Sum of all divisors σ(n): 8514600030720
• Sum of proper divisors (its aliquot sum) s(n): 6525194059440
• 1989405971280 is an abundant number, because the sum of its proper divisors (6525194059440) is greater than itself. Its abundance is 4535788088160

Bases of 1989405971280

• Binary: 11100111100110001110101100001001101010000₂
• Hexadecimal: 0x1CF31D61350
• Base-36: PDX4Y7O0

Squares and roots of 1989405971280

• 1989405971280 squared (1989405971280²) is 3957736118564520184838400
• 1989405971280 cubed (1989405971280³) is 7873543867022786517665602281841152000
• The square root of 1989405971280 is 1410463.0343543217
• The cube root of 1989405971280 is 12576.9250373917

Scales and comparisons

• 1,989,405,971,280 seconds is equal to 63,256 years, 49 weeks, 5 days, 1 hour, 48 minutes.
• To count from 1 to 1,989,405,971,280 would take you about one hundred fifty-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 1989405971280 cubic inches would be around 1048.1 feet tall.

Recreational maths with 1989405971280

• 1989405971280 backwards is 0821795049891
• 1989405971280 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1989405971280's digits is 63
• More coming soon!