20778382878720

Names of 20778382878720

• Cardinal: 20778382878720 can be written as Twenty trillion, seven hundred seventy-eight billion, three hundred eighty-two million, eight hundred seventy-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.077838287872 × 10¹³

Factors of 20778382878720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1824

Divisors of 20778382878720

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 61 64 76 80 95 96 114 120 122 128 152 160 183 190 192 228 240 244 256 285 304 305 320 366 380 384 456 457 480 488 512 570 608 610 640 732 760 768 912 914 915 960 976 1024 1140 1159 1216 1220 1277 1280 1371 1464 1520 1536 1824 1828 1830 1920 1952 2048 2280 2285 2318 2432 2440 2554 2560 2742 2928 3040 3072 3477 3648 3656 3660 3831 3840 3904 4560 4570 4636 4864 4880 5108 5120 5484 5795 5856 6080 6144 6385 6855 6954 7296 7312 7320 7662 7680 7808 8683 9120 9140 9272 9728 9760 10216 10240 10968 11590 11712 12160 12770 13710 13908 14592 14624 14640 15324 15360 15616 17366 17385 18240 18280 18544 19155 19456 19520 20432 21936 23180 23424 24263 24320 25540 26049 27420 27816 27877 29184 29248 29280 30648 30720 31232 34732 34770 36480 36560 37088 38310 38912 39040 40864 43415 43872 46360 46848 48526 48640 51080 52098 54840 55632 55754 58368 58496 58560 61296 62464 69464 69540 72789 72960 73120 74176 76620 77897 78080 81728 83631 86830 87744 92720 93696 97052 97280 102160 104196 109680 111264 111508 116736 116992 117120 121315 122592 124928 130245 138928 139080 139385 145578 145920 146240 148352 153240 155794 156160 163456 167262 173660 175488 185440 187392 194104 194560 204320 208392 219360 222528 223016 233691 233984 234240 242630 245184 260490 277856 278160 278770 291156 291840 292480 296704 306480 311588 312320 326912 334524 347320 350976 363945 370880 374784 388208 389485 408640 416784 418155 438720 445056 446032 467382 467968 468480 485260 490368 520980 529663 555712 556320 557540 582312 583589 583680 584960 593408 612960 623176 624640 653824 669048 694640 701952 727890 741760 776416 778970 817280 833568 836310 877440 890112 892064 934764 935936 936960 970520 980736 1041960 1059326 1111424 1112640 1115080 1164624 1167178 1168455 1169920 1186816 1225920 1246352 1307648 1338096 1389280 1403904 1455780 1480043 1483520 1552832 1557940 1588989 1634560 1667136 1672620 1750767 1754880 1780224 1784128 1869528 1873920 1941040 1961472 2083920 2118652 2222848 2225280 2230160 2329248 2334356 2336910 2339840 2373632 2451840 2492704 2615296 2648315 2676192 2778560 2807808 2911560 2917945 2960086 2967040 3105664 3115880 3177978 3269120 3334272 3345240 3501534 3509760 3560448 3568256 3739056 3882080 3922944 4167840 4237304 4440129 4445696 4450560 4460320 4658496 4668712 4673820 4679680 4903680 4985408 5296630 5352384 5557120 5823120 5835890 5920172 5934080 6211328 6231760 6355956 6538240 6668544 6690480 7003068 7019520 7120896 7136512 7400215 7478112 7764160 7845888 7944945 8335680 8474608 8753835 8880258 8891392 8901120 8920640 9316992 9337424 9347640 9807360 9970816 10593260 10704768 11088191 11114240 11646240 11671780 11840344 11868160 12422656 12463520 12711912 13076480 13337088 13380960 14006136 14039040 14273024 14800430 14956224 15528320 15889890 16671360 16949216 17507670 17760516 17782784 17802240 17841280 18633984 18674848 18695280 19614720 19941632 21186520 21409536 22176382 22200645 22228480 23292480 23343560 23680688 24845312 24927040 25423824 26674176 26761920 28012272 28546048 29600860 29912448 31056640 31779780 33264573 33342720 33898432 35015340 35521032 35598929 35604480 35682560 37267968 37349696 37390560 39229440 39883264 42373040 42819072 44352764 44401290 44456960 46584960 46687120 47361376 49690624 49854080 50847648 53348352 53523840 55440955 56024544 57092096 59201720 59824896 62113280 63559560 66529146 66685440 67796864 70030680 71042064 71197858 71365120 74535936 74699392 74781120 79766528 84746080 85638144 88705528 88802580 88913920 93169920 93374240 94722752 99708160 101695296 106796787 107047680 110881910 112049088 118403440 119649792 124226560 127119120 133058292 133370880 135593728 140061360 142084128 142395716 142730240 149071872 149398784 149562240 159533056 166322865 169492160 171276288 177411056 177605160 177994645 186339840 186748480 189445504 199416320 203390592 213593574 214095360 221763820 224098176 236806880 239299584 248453120 254238240 266116584 266741760 271187456 280122720 284168256 284791432 285460480 298797568 299124480 332645730 338984320 354822112 355210320 355989290 372679680 373496960 378891008 398832640 406781184 427187148 428190720 443527640 448196352 473613760 478599168 508476480 532233168 533983935 542374912 560245440 568336512 569582864 597595136 598248960 665291460 676379651 677968640 709644224 710420640 711978580 745359360 746993920 757782016 797665280 813562368 854374296 856381440 887055280 896392704 947227520 1016952960 1064466336 1067967870 1084749824 1120490880 1136673024 1139165728 1195190272 1196497920 1330582920 1352759302 1355937280 1419288448 1420841280 1423957160 1493987840 1515564032 1627124736 1708748592 1774110560 1792785408 1894455040 2029138953 2033905920 2128932672 2135935740 2240981760 2273346048 2278331456 2392995840 2661165840 2705518604 2711874560 2838576896 2841682560 2847914320 2987975680 3031128064 3254249472 3381898255 3417497184 3548221120 3585570816 3788910080 4058277906 4067811840 4257865344 4271871480 4481963520 4546692096 4556662912 5322331680 5411037208 5423749120 5677153792 5683365120 5695828640 5975951360 6763796510 6834994368 7096442240 7577820160 8116555812 8135623680 8515730688 8543742960 8963927040 9093384192 9113325824 10145694765 10644663360 10822074416 11354307584 11366730240 11391657280 13527593020 13669988736 14192884480 15155640320 16233111624 16271247360 17031461376 17087485920 17927854080 18226651648 20291389530 21289326720 21644148832 22708615168 22733460480 22783314560 27055186040 27339977472 28385768960 32466223248 34062922752 34174971840 36453303296 40582779060 42578653440 43288297664 45466920960 45566629120 54110372080 54679954944 56771537920 64932446496 68125845504 68349943680 72906606592 81165558120 85157306880 86576595328 91133258240 108220744160 109359909888 113543075840 129864892992 136699887360 162331116240 170314613760 173153190656 182266516480 216441488320 218719819776 259729785984 273399774720 324662232480 340629227520 346306381312 364533032960 432882976640 519459571968 546799549440 649324464960 692612762624 865765953280 1038919143936 1093599098880 1298648929920 1385225525248 1731531906560 2077838287872 2597297859840 3463063813120 4155676575744 5194595719680 6926127626240 10389191439360 20778382878720
• Sum of all divisors σ(n): 71331796972800
• Sum of proper divisors (its aliquot sum) s(n): 50553414094080
• 20778382878720 is an abundant number, because the sum of its proper divisors (50553414094080) is greater than itself. Its abundance is 29775031215360

Bases of 20778382878720

• Binary: 100101110010111011000001000010110100000000000₂
• Hexadecimal: 0x12E5D8216800
• Base-36: 7D5GGOMIO

Squares and roots of 20778382878720

• 20778382878720 squared (20778382878720²) is 431741195054684434228838400
• 20778382878720 cubed (20778382878720³) is 8970883855362366982312985737033678848000
• The square root of 20778382878720 is 4558331.1506208059
• The cube root of 20778382878720 is 27491.8467857113

Scales and comparisons

• 20,778,382,878,720 seconds is equal to 660,688 years, 15 weeks, 5 days, 13 hours, 52 minutes.
• To count from 1 to 20,778,382,878,720 would take you about one million, six hundred fifty-one thousand, seven hundred twenty 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 20778382878720 cubic inches would be around 2291 feet tall.

Recreational maths with 20778382878720

• 20778382878720 backwards is 02787828387702
• The number of decimal digits it has is: 14
• The sum of 20778382878720's digits is 69
• More coming soon!