1028972287980

Names of 1028972287980

• Cardinal: 1028972287980 can be written as One trillion, twenty-eight billion, nine hundred seventy-two million, two hundred eighty-seven thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.02897228798 × 10¹²

Factors of 1028972287980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 383

Divisors of 1028972287980

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 27 28 30 35 36 39 42 45 52 54 60 63 65 70 78 81 84 90 91 105 108 117 126 130 135 140 156 162 169 180 182 189 195 210 234 243 252 260 270 273 315 324 338 351 353 364 378 390 405 420 455 468 486 507 540 546 567 585 630 676 702 706 729 756 780 810 819 845 910 945 972 1014 1053 1059 1092 1134 1170 1183 1215 1260 1365 1404 1412 1458 1521 1620 1638 1690 1701 1755 1765 1820 1890 2028 2106 2118 2197 2268 2340 2366 2430 2457 2471 2535 2730 2835 2916 3042 3159 3177 3276 3380 3402 3510 3530 3549 3645 3780 4095 4212 4236 4394 4563 4589 4732 4860 4914 4942 5070 5103 5265 5295 5460 5670 5915 6084 6318 6354 6591 6804 7020 7060 7098 7290 7371 7413 7605 8190 8505 8788 9126 9178 9477 9531 9828 9884 10140 10206 10530 10590 10647 10985 11340 11830 12285 12355 12636 12708 13182 13689 13767 14196 14580 14742 14826 15210 15379 15795 15885 16380 17010 17745 18252 18356 18954 19062 19773 20412 21060 21180 21294 21970 22113 22239 22815 22945 23660 24570 24710 25515 26364 27378 27534 28561 28593 29484 29652 30420 30758 31590 31770 31941 32123 32955 34020 35490 36855 37065 37908 38124 39546 41067 41301 42588 43940 44226 44478 45630 45890 46137 47385 47655 49140 49420 51030 53235 54756 55068 57122 57186 59319 59657 61516 63180 63540 63882 64246 65910 66339 66717 68445 68835 70980 73710 74130 76895 79092 82134 82602 85683 85779 88452 88956 91260 91780 92274 94770 95310 95823 96369 98865 102060 106470 110565 111195 114244 114372 118638 119314 123201 123903 127764 128492 131820 132678 133434 136890 137670 138411 142805 142965 147420 148260 153790 159705 160615 164268 165204 171366 171558 177957 178971 184548 189540 190620 191646 192738 197730 199927 200151 205335 206505 212940 221130 222390 230685 237276 238628 246402 247806 257049 257337 265356 266868 273780 275340 276822 285610 285930 287469 289107 296595 298285 307580 319410 321230 331695 333585 342732 343116 355914 357942 371709 383292 385476 395460 399854 400302 410670 413010 415233 417599 428415 428895 442260 444780 461370 479115 481845 492804 495612 514098 514674 533871 536913 553644 571220 571860 574938 578214 593190 596570 599781 600453 616005 619515 638820 642460 663390 667170 692055 711828 715884 743418 771147 775541 799708 800604 821340 826020 830466 835198 856830 857790 862407 867321 889785 894855 922740 958230 963690 999635 1000755 1028196 1029348 1067742 1073826 1115127 1149876 1156428 1186380 1193140 1199562 1200906 1232010 1239030 1245699 1252797 1285245 1286685 1326780 1334340 1384110 1437345 1445535 1486836 1542294 1551082 1601613 1610739 1660932 1670396 1713660 1715580 1724814 1734642 1779570 1789710 1799343 1801359 1858545 1916460 1927380 1999270 2001510 2076165 2087995 2135484 2147652 2230254 2313441 2326623 2399124 2401812 2464020 2478060 2491398 2505594 2570490 2573370 2601963 2669355 2684565 2768220 2874690 2891070 2998905 3002265 3084588 3102164 3203226 3221478 3345381 3449628 3469284 3559140 3579420 3598686 3602718 3717090 3737097 3758391 3855735 3877705 3998540 4003020 4152330 4175990 4312035 4336605 4460508 4626882 4653246 4832217 4982796 5011188 5140980 5146740 5203926 5338710 5369130 5398029 5428787 5575635 5749380 5782140 5997810 6004530 6228495 6263985 6406452 6442956 6690762 6940323 6979869 7197372 7205436 7434180 7474194 7516782 7711470 7755410 7805889 8008065 8053695 8304660 8351980 8624070 8673210 8996715 9006795 9253764 9306492 9664434 10082033 10407852 10677420 10738260 10796058 10857574 11151270 11211291 11275173 11567205 11633115 11995620 12009060 12456990 12527970 13009815 13381524 13880646 13959738 14496651 14948388 15033564 15422940 15510820 15611778 16016130 16107390 16194087 16286361 16726905 17248140 17346420 17993430 18013590 18685485 18791955 19328868 20164066 20820969 20939607 21592116 21715148 22302540 22422582 22550346 23134410 23266230 23417667 24161085 24913980 25055940 26019630 26990145 27143935 27761292 27919476 28993302 30246099 31223556 32032260 32214780 32388174 32572722 33453810 33825519 34701615 34899345 35986860 36027180 37370970 37583910 39029445 40328132 41641938 41879214 43489953 44845164 45100692 46268820 46532460 46835334 48322170 48582261 48859083 50410165 52039260 53980290 54287870 56056455 56375865 57986604 60492198 62818821 64776348 65145444 66907620 67651038 69403230 69798690 70574231 72483255 74741940 75167820 78058890 80970435 81431805 83283876 83758428 86979906 90738297 93670668 96644340 97164522 97718166 100820330 101476557 104104845 104698035 107960580 108575740 112112910 112751730 117088335 120984396 125637642 135302076 138806460 139597380 141148462 144966510 145746783 146577249 151230495 156117780 161940870 162863610 169127595 173959812 181476594 188456463 194329044 195436332 201640660 202953114 208209690 209396070 211722693 217449765 224225820 225503460 234176670 242911305 244295415 251275284 272214891 282296924 289933020 291493566 293154498 302460990 304429671 314094105 323881740 325727220 338255190 352871155 362953188 376912926 405906228 416419380 418792140 423445386 434899530 439731747 453691485 468353340 485822610 488590830 507382785 544429782 565369389 582987132 586308996 604921980 608859342 628188210 635168079 676510380 705742310 728733915 732886245 753825852 816644673 846890772 869799060 879463494 907382970 942282315 971645220 977181660 1014765570 1058613465 1088859564 1130738778 1217718684 1256376420 1270336158 1319195241 1361074455 1411484620 1457467830 1465772490 1522148355 1633289346 1758926988 1814765940 1884564630 1905504237 2029531140 2117226930 2198658735 2261477556 2449934019 2540672316 2638390482 2722148910 2826846945 2914935660 2931544980 3044296710 3175840395 3266578692 3769129260 3811008474 3957585723 4083223365 4234453860 4397317470 4899868038 5276780964 5444297820 5653693890 5716512711 6088593420 6351680790 6595976205 7349802057 7622016948 7915171446 8166446730 8794634940 9527521185 9799736076 11307387780 11433025422 12249670095 12703361580 13191952410 14699604114 15830342892 16332893460 17149538133 19055042370 19787928615 22866050844 24499340190 26383904820 28582563555 29399208228 34299076266 36749010285 38110084740 39575857230 48998680380 51448614399 57165127110 68598152532 73498020570 79151714460 85747690665 102897228798 114330254220 146996041140 171495381330 205794457596 257243071995 342990762660 514486143990 1028972287980
• Sum of all divisors σ(n): 4022509210272
• Sum of proper divisors (its aliquot sum) s(n): 2993536922292
• 1028972287980 is an abundant number, because the sum of its proper divisors (2993536922292) is greater than itself. Its abundance is 1964564634312

Bases of 1028972287980

• Binary: 1110111110010011100001110001011111101100₂
• Hexadecimal: 0xEF938717EC
• Base-36: D4PBJ6R0

Squares and roots of 1028972287980

• 1028972287980 squared (1028972287980²) is 1058783969430796052480400
• 1028972287980 cubed (1028972287980³) is 1089459363501752592393509342105592000
• The square root of 1028972287980 is 1014382.7127765931
• The cube root of 1028972287980 is 10095.6563617489

Scales and comparisons

• 1,028,972,287,980 seconds is equal to 32,718 years, 7 weeks, 11 hours, 33 minutes.
• To count from 1 to 1,028,972,287,980 would take you about eighty-one thousand, seven hundred ninety-five 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 1028972287980 cubic inches would be around 841.3 feet tall.

Recreational maths with 1028972287980

• 1028972287980 backwards is 0897822798201
• 1028972287980 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1028972287980's digits is 63
• More coming soon!