1978849456220

Names of 1978849456220

• Cardinal: 1978849456220 can be written as One trillion, nine hundred seventy-eight billion, eight hundred forty-nine million, four hundred fifty-six thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.97884945622 × 10¹²

Factors of 1978849456220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 107

Divisors of 1978849456220

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 4 5 7 10 13 14 19 20 26 28 35 38 49 52 61 65 70 76 91 95 98 122 130 133 140 169 182 190 196 244 245 247 260 266 305 338 364 380 427 455 490 494 532 610 637 665 676 793 845 854 910 931 980 988 1159 1183 1220 1235 1274 1330 1586 1690 1708 1729 1820 1862 2135 2197 2318 2366 2470 2548 2660 2989 3172 3185 3211 3380 3458 3721 3724 3965 4270 4394 4636 4655 4732 4940 5551 5795 5915 5978 6370 6422 6916 7442 7930 8113 8281 8540 8645 8788 9310 10309 10985 11102 11590 11830 11956 12103 12740 12844 14884 14945 15067 15379 15860 16055 16226 16562 17290 18605 18620 20618 21970 22204 22477 23180 23660 24206 26047 27755 28561 29890 30134 30758 32110 32452 33124 34580 37210 38857 40565 41236 41405 41743 43940 44954 48373 48412 51545 52094 55510 56791 57122 59780 60268 60515 61516 64220 70699 72163 74420 75335 76895 77714 81130 82810 83486 89908 96746 103090 104188 105469 107653 111020 112385 113582 114244 121030 130235 134017 141398 142805 144326 150670 153790 155428 157339 162260 165620 166972 182329 193492 194285 195871 199927 206180 208715 210938 215306 224770 227164 241865 242060 260470 268034 282796 283955 285610 288652 292201 301340 307580 314678 338611 353495 360815 364658 388570 391742 399854 417430 421876 430612 449540 483730 494893 505141 520940 527345 536068 538265 542659 567910 571220 584402 628849 629356 670085 677222 706990 721630 729316 738283 777140 783484 786695 799708 834860 911645 919087 938119 967460 979355 989786 999635 1010282 1054690 1076530 1085318 1135820 1168804 1257698 1340170 1354444 1371097 1399489 1413980 1443260 1461005 1476566 1573390 1693055 1742221 1823290 1838174 1876238 1958710 1979572 1999270 2020564 2045407 2109380 2153060 2170636 2370277 2474465 2515396 2525705 2546323 2680340 2713295 2742194 2798978 2922010 2953132 3144245 3146780 3386110 3464251 3484442 3646580 3676348 3691415 3752476 3798613 3917420 3998540 4090814 4401943 4595435 4690595 4740554 4948930 5051410 5092646 5426590 5484388 5597956 5844020 6288490 6433609 6566833 6772220 6855485 6928502 6968884 6997445 7382830 7597226 8175037 8181628 8711105 8803886 9190870 9381190 9481108 9597679 9897860 10102820 10185292 10227035 10853180 11851385 11948131 12195547 12576980 12731615 12867218 13133666 13710970 13857004 13994890 14765660 15194452 16350074 17321255 17422210 17607772 17824261 18381740 18762380 18993065 19195358 20454070 22009715 23702770 23896262 24391094 25463230 25734436 26267332 26590291 27421940 27989780 30813601 32168045 32700148 32834165 33102199 34642510 34844420 35648522 37986130 38390716 40875185 40908140 44019430 45035263 47405540 47792524 47988395 48782188 50926460 53180582 57225259 59740655 60977735 61627202 64336090 65668330 66204398 69285020 71297044 75972260 81750370 83636917 85368829 88038860 89121305 90070526 95976790 106275481 106361164 114450518 119481310 121955470 123254404 124769827 128672180 131336660 132408796 132951455 154068005 155325703 163500740 165510995 167273834 170737658 178242610 180141052 191953580 212550962 225176315 228901036 231715393 238962620 243910940 249539654 265902910 286126295 308136010 310651406 331021990 334547668 341475316 356485220 400576813 418184585 425101924 426844145 450352630 463430786 499079308 531377405 531805820 572252590 585458419 616272020 621302812 623849135 662043980 743928367 776628515 801153626 836369170 853688290 900705260 926861572 1062754810 1087279921 1144505180 1158576965 1170916838 1247698270 1487856734 1553257030 1602307252 1622007751 1672738340 1707376580 2002884065 2019234139 2125509620 2174559842 2317153930 2341833676 2495396540 2927292095 2975713468 3106514060 3244015502 3719641835 4005768130 4038468278 4349119684 4634307860 5207498569 5436399605 5854584190 6488031004 7439283670 7610959447 8011536260 8076936556 8110038755 10096170695 10414997138 10872799210 11709168380 14134638973 14878567340 15221918894 16220077510 20192341390 20829994276 21745598420 26037492845 28269277946 30443837788 32440155020 38054797235 40384682780 52074985690 56538555892 70673194865 76109594470 98942472811 104149971380 141346389730 152219188940 197884945622 282692779460 395769891244 494712364055 989424728110 1978849456220
• Sum of all divisors σ(n): 5604344567640
• Sum of proper divisors (its aliquot sum) s(n): 3625495111420
• 1978849456220 is an abundant number, because the sum of its proper divisors (3625495111420) is greater than itself. Its abundance is 1646645655200

Bases of 1978849456220

• Binary: 11100110010111100100111100111000001011100₂
• Hexadecimal: 0x1CCBC9E705C
• Base-36: P92JVGIK

Squares and roots of 1978849456220

• 1978849456220 squared (1978849456220²) is 3915845170382189696688400
• 1978849456220 cubed (1978849456220³) is 7748868086052509330864727074781848000
• The square root of 1978849456220 is 1406715.8406088985
• The cube root of 1978849456220 is 12554.6396526025

Scales and comparisons

• 1,978,849,456,220 seconds is equal to 62,921 years, 15 weeks, 1 day, 4 hours, 30 minutes, 20 seconds.
• To count from 1 to 1,978,849,456,220 would take you about one hundred fifty-seven thousand, three hundred 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 1978849456220 cubic inches would be around 1046.2 feet tall.

Recreational maths with 1978849456220

• 1978849456220 backwards is 0226549488791
• 1978849456220 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1978849456220's digits is 65
• More coming soon!