1998078279680

Names of 1998078279680

• Cardinal: 1998078279680 can be written as One trillion, nine hundred ninety-eight billion, seventy-eight million, two hundred seventy-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.99807827968 × 10¹²

Factors of 1998078279680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 160

Divisors of 1998078279680

• Number of divisors d(n): 544
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 64 70 76 80 95 112 127 128 133 140 152 160 190 224 254 256 266 280 304 320 361 380 448 508 512 532 560 608 635 640 665 722 760 889 896 1016 1024 1064 1120 1216 1270 1280 1330 1444 1520 1778 1792 1805 2032 2048 2128 2240 2413 2432 2527 2540 2560 2660 2888 3040 3556 3584 3610 4064 4096 4256 4445 4480 4826 4864 5054 5080 5120 5320 5776 6080 6859 7112 7168 7220 8128 8192 8512 8890 8960 9652 9728 10108 10160 10240 10640 11552 12065 12160 12635 13718 14224 14336 14440 16256 16384 16891 17024 17780 17920 19304 19456 20216 20320 20480 21280 23104 24130 24320 25270 27436 28448 28672 28880 32512 32768 33782 34048 34295 35560 35840 38608 38912 40432 40640 40960 42560 45847 46208 48013 48260 48640 50540 54872 56896 57344 57760 65024 65536 67564 68096 68590 71120 71680 77216 77824 80864 81280 81920 84455 85120 91694 92416 96026 96520 97280 101080 109744 113792 114688 115520 130048 135128 136192 137180 142240 143360 154432 155648 161728 162560 163840 168910 170240 183388 184832 192052 193040 194560 202160 219488 227584 229235 229376 231040 240065 260096 270256 272384 274360 284480 286720 308864 311296 320929 323456 325120 327680 337820 340480 366776 369664 384104 386080 389120 404320 438976 455168 458470 458752 462080 480130 520192 540512 544768 548720 568960 573440 617728 622592 641858 646912 650240 675640 680960 733552 739328 768208 772160 778240 808640 871093 877952 910336 916940 924160 960260 1040384 1081024 1089536 1097440 1137920 1146880 1235456 1245184 1283716 1293824 1300480 1351280 1361920 1467104 1478656 1536416 1544320 1556480 1604645 1617280 1742186 1755904 1820672 1833880 1848320 1920520 2080768 2162048 2179072 2194880 2275840 2293760 2470912 2567432 2587648 2600960 2702560 2723840 2934208 2957312 3072832 3088640 3112960 3209290 3234560 3484372 3511808 3641344 3667760 3696640 3841040 4161536 4324096 4355465 4358144 4389760 4551680 4941824 5134864 5175296 5201920 5405120 5447680 5868416 5914624 6097651 6145664 6177280 6225920 6418580 6469120 6968744 7023616 7282688 7335520 7393280 7682080 8323072 8648192 8710930 8716288 8779520 9103360 9883648 10269728 10350592 10403840 10810240 10895360 11736832 11829248 12195302 12291328 12354560 12837160 12938240 13937488 14047232 14565376 14671040 14786560 15364160 17296384 17421860 17559040 18206720 19767296 20539456 20701184 20807680 21620480 21790720 23473664 23658496 24390604 24582656 24709120 25674320 25876480 27874976 28094464 29130752 29342080 29573120 30488255 30728320 34592768 34843720 35118080 36413440 39534592 41078912 41402368 41615360 43240960 43581440 46947328 48781208 49165312 49418240 51348640 51752960 55749952 56188928 58261504 58684160 59146240 60976510 61456640 69185536 69687440 70236160 72826880 79069184 82157824 82804736 86481920 93894656 97562416 98330624 98836480 102697280 103505920 111499904 112377856 117368320 118292480 121953020 122913280 138371072 139374880 140472320 145653760 158138368 164315648 165609472 172963840 187789312 195124832 196661248 197672960 205394560 207011840 222999808 224755712 234736640 243906040 245826560 276742144 278749760 280944640 291307520 328631296 345927680 375578624 390249664 393322496 395345920 410789120 414023680 445999616 449511424 469473280 487812080 491653120 553484288 557499520 561889280 657262592 691855360 751157248 780499328 786644992 790691840 821578240 828047360 891999232 938946560 975624160 983306240 1106968576 1114999040 1123778560 1314525184 1383710720 1502314496 1560998656 1573289984 1643156480 1783998464 1877893120 1951248320 1966612480 2229998080 2247557120 2629050368 2767421440 3004628992 3121997312 3146579968 3286312960 3567996928 3755786240 3902496640 3933224960 4459996160 5258100736 5534842880 6243994624 6572625920 7135993856 7511572480 7804993280 7866449920 8919992320 10516201472 12487989248 13145251840 14271987712 15023144960 15609986560 15732899840 17839984640 21032402944 24975978496 26290503680 28543975424 31219973120 35679969280 49951956992 52581007360 57087950848 62439946240 71359938560 99903913984 105162014720 124879892480 142719877120 199807827968 249759784960 285439754240 399615655936 499519569920 999039139840 1998078279680
• Sum of all divisors σ(n): 5830373621760
• Sum of proper divisors (its aliquot sum) s(n): 3832295342080
• 1998078279680 is an abundant number, because the sum of its proper divisors (3832295342080) is greater than itself. Its abundance is 1834217062400

Bases of 1998078279680

• Binary: 11101000100110110101111110000000000000000₂
• Hexadecimal: 0x1D136BF0000
• Base-36: PHWK7VNK

Squares and roots of 1998078279680

• 1998078279680 squared (1998078279680²) is 3992316811728988300902400
• 1998078279680 cubed (1998078279680³) is 7976961507116999390653913583583232000
• The square root of 1998078279680 is 1413533.9683502481
• The cube root of 1998078279680 is 12595.1738459809

Scales and comparisons

• 1,998,078,279,680 seconds is equal to 63,532 years, 36 weeks, 6 days, 21 minutes, 20 seconds.
• To count from 1 to 1,998,078,279,680 would take you about one hundred fifty-eight thousand, eight hundred thirty-one 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 1998078279680 cubic inches would be around 1049.6 feet tall.

Recreational maths with 1998078279680

• 1998078279680 backwards is 0869728708991
• The number of decimal digits it has is: 13
• The sum of 1998078279680's digits is 74
• More coming soon!