20720942449920

Names of 20720942449920

• Cardinal: 20720942449920 can be written as Twenty trillion, seven hundred twenty billion, nine hundred forty-two million, four hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.072094244992 × 10¹³

Factors of 20720942449920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 288

Divisors of 20720942449920

• Number of divisors d(n): 810
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 67 72 80 81 90 96 108 120 128 134 135 144 160 162 180 192 201 211 216 240 256 268 270 288 320 324 335 360 384 402 405 422 432 480 536 540 576 603 633 640 648 670 720 768 804 810 844 864 960 1005 1055 1072 1080 1152 1206 1266 1280 1296 1340 1440 1608 1620 1688 1728 1809 1899 1920 2010 2110 2144 2160 2304 2412 2532 2592 2680 2880 3015 3165 3216 3240 3376 3456 3618 3798 3840 4020 4220 4288 4320 4489 4824 5064 5184 5360 5427 5697 5760 6030 6330 6432 6480 6752 6912 7236 7596 8040 8440 8576 8640 8978 9045 9495 9648 10128 10368 10720 10854 11394 11520 12060 12660 12864 12960 13467 13504 14137 14472 15192 16080 16880 17091 17152 17280 17956 18090 18990 19296 20256 20736 21440 21708 22445 22788 24120 25320 25728 25920 26934 27008 27135 28274 28485 28944 30384 32160 33760 34182 34560 35912 36180 37980 38592 40401 40512 42411 42880 43416 44521 44890 45576 48240 50640 51456 51840 53868 54016 54270 56548 56970 57888 60768 64320 67335 67520 68364 70685 71824 72360 75960 77184 80802 81024 84822 85455 85760 86832 89042 89780 91152 96480 101280 103680 107736 108540 113096 113940 115776 121203 121536 127233 128640 133563 134670 135040 136728 141370 143648 144720 151920 154368 161604 162048 169644 170910 173664 178084 179560 182304 192960 202005 202560 212055 215472 217080 222605 226192 227880 231552 242406 243072 254466 257280 267126 269340 270080 273456 282740 287296 289440 303840 323208 339288 341820 347328 356168 359120 363609 364608 381699 385920 400689 404010 405120 424110 430944 434160 445210 452384 455760 463104 484812 486144 508932 534252 538680 546912 565480 574592 578880 606015 607680 636165 646416 667815 678576 683640 694656 712336 718240 727218 729216 763398 771840 801378 808020 810240 848220 861888 868320 890420 904768 911520 947179 969624 1017864 1068504 1077360 1093824 1130960 1145097 1149184 1157760 1202067 1212030 1215360 1272330 1292832 1335630 1357152 1367280 1389312 1424672 1436480 1454436 1458432 1526796 1602756 1616040 1696440 1723776 1736640 1780840 1809536 1818045 1823040 1894358 1908495 1939248 2003445 2035728 2137008 2154720 2187648 2261920 2290194 2315520 2404134 2424060 2430720 2544660 2585664 2671260 2714304 2734560 2841537 2849344 2872960 2908872 2982907 3053592 3205512 3232080 3392880 3447552 3473280 3561680 3606201 3619072 3636090 3646080 3788716 3816990 3878496 4006890 4071456 4274016 4309440 4375296 4523840 4580388 4735895 4808268 4848120 5089320 5171328 5342520 5428608 5469120 5683074 5698688 5725485 5745920 5817744 5965814 6010335 6107184 6411024 6464160 6785760 6946560 7123360 7212402 7272180 7292160 7577432 7633980 7756992 8013780 8142912 8524611 8548032 8618880 8948721 9047680 9160776 9471790 9616536 9696240 10178640 10342656 10685040 10857216 10938240 11366148 11397376 11450970 11635488 11931628 12020670 12214368 12822048 12928320 13571520 14207685 14246720 14424804 14544360 14914535 15154864 15267960 15513984 16027560 16285824 17049222 17096064 17237760 17897442 18031005 18095360 18321552 18943580 19233072 19392480 20357280 21370080 21876480 22732296 22901940 23270976 23863256 24041340 24428736 25573833 25644096 25856640 26846163 27143040 28415370 28493440 28849608 29088720 29829070 30309728 30535920 31027968 32055120 32571648 34098444 34192128 35794884 36062010 36643104 37887160 38466144 38784960 40714560 42623055 42740160 44743605 45464592 45803880 46541952 47726512 48082680 48857472 51147666 51288192 51713280 53692326 54286080 56830740 56986880 57699216 58177440 59658140 60619456 61071840 64110240 68196888 71589768 72124020 73286208 75774320 76721499 76932288 77569920 80538489 81429120 85246110 85480320 89487210 90929184 91607760 93083904 95453024 96165360 97714944 102295332 102576384 107384652 113661480 115398432 116354880 119316280 121238912 122143680 127869165 128220480 134230815 136393776 143179536 144248040 146572416 151548640 153442998 153864576 155139840 161076978 162858240 170492220 170960640 178974420 181858368 183215520 190906048 192330720 199854769 204590664 214769304 227322960 230796864 232709760 238632560 241615467 242477824 244287360 255738330 256440960 268461630 272787552 286359072 288496080 293144832 303097280 306885996 307729152 322153956 340984440 357948840 363716736 366431040 381812096 383607495 384661440 399709538 402692445 409181328 429538608 454645920 461593728 465419520 477265120 483230934 488574720 511476660 512881920 536923260 545575104 572718144 576992160 599564307 606194560 613771992 644307912 681968880 715897680 727433472 732862080 763624192 767214990 769322880 799419076 805384890 818362656 859077216 909291840 923187456 954530240 966461868 999273845 1022953320 1073846520 1091150208 1145436288 1153984320 1199128614 1208077335 1212389120 1227543984 1288615824 1363937760 1431795360 1465724160 1534429980 1538645760 1598838152 1610769780 1636725312 1718154432 1798692921 1818583680 1909060480 1932923736 1998547690 2045906640 2147693040 2182300416 2290872576 2307968640 2398257228 2416154670 2455087968 2577231648 2727875520 2863590720 2997821535 3068859960 3197676304 3221539560 3273450624 3436308864 3597385842 3637167360 3818120960 3865847472 3997095380 4091813280 4295386080 4615937280 4796514456 4832309340 4910175936 5154463296 5396078763 5455751040 5727181440 5995643070 6137719920 6395352608 6443079120 6546901248 6872617728 7194771684 7731694944 7994190760 8183626560 8590772160 8993464605 9593028912 9664618680 9820351872 10308926592 10792157526 10911502080 11454362880 11991286140 12275439840 12790705216 12886158240 14389543368 15463389888 15988381520 16188236289 16367253120 17181544320 17986929210 19186057824 19329237360 19640703744 20617853184 21584315052 23982572280 24550879680 25581410432 25772316480 26980393815 28779086736 30926779776 31976763040 32376472578 32734506240 34363088640 35973858420 38372115648 38658474720 43168630104 47965144560 49101759360 51162820864 51544632960 53960787630 57558173472 61853559552 63953526080 64752945156 71947716840 76744231296 77316949440 80941181445 86337260208 95930289120 98203518720 103089265920 107921575260 115116346944 127907052160 129505890312 143895433680 153488462592 154633898880 161882362890 172674520416 191860578240 215843150520 230232693888 255814104320 259011780624 287790867360 309267797760 323764725780 345349040832 383721156480 431686301040 460465387776 518023561248 575581734720 647529451560 690698081664 767442312960 863372602080 1036047122496 1151163469440 1295058903120 1381396163328 1726745204160 2072094244992 2302326938880 2590117806240 3453490408320 4144188489984 5180235612480 6906980816640 10360471224960 20720942449920
• Sum of all divisors σ(n): 75624858375066
• Sum of proper divisors (its aliquot sum) s(n): 54903915925146
• 20720942449920 is an abundant number, because the sum of its proper divisors (54903915925146) is greater than itself. Its abundance is 34182973475226

Bases of 20720942449920

• Binary: 100101101100001111000011010100000010100000000₂
• Hexadecimal: 0x12D8786A0500
• Base-36: 7CF2I4W00

Squares and roots of 20720942449920

• 20720942449920 squared (20720942449920²) is 429357456012896651708006400
• 20720942449920 cubed (20720942449920³) is 8896691136487289381358263086495039488000
• The square root of 20720942449920 is 4552026.1916996919
• The cube root of 20720942449920 is 27466.4902912399

Scales and comparisons

• 20,720,942,449,920 seconds is equal to 658,861 years, 45 weeks, 3 days, 19 hours, 12 minutes.
• To count from 1 to 20,720,942,449,920 would take you about one million, six hundred forty-seven thousand, one hundred fifty-four 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 20720942449920 cubic inches would be around 2288.9 feet tall.

Recreational maths with 20720942449920

• 20720942449920 backwards is 02994424902702
• 20720942449920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20720942449920's digits is 54
• More coming soon!