20978274240

Names of 20978274240

• Cardinal: 20978274240 can be written as Twenty billion, nine hundred seventy-eight million, two hundred seventy-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.097827424 × 10¹⁰

Factors of 20978274240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 508

Divisors of 20978274240

• Number of divisors d(n): 1120
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 23 24 27 28 30 32 33 35 36 40 42 44 45 46 48 54 55 56 60 63 64 66 69 70 72 77 80 81 84 88 90 92 96 99 105 108 110 112 115 120 126 132 135 138 140 144 154 160 161 162 165 168 176 180 184 189 192 198 207 210 216 220 224 230 231 240 252 253 264 270 276 280 288 297 308 315 320 322 324 330 336 345 352 360 368 378 385 396 405 414 420 432 440 448 457 460 462 480 483 495 504 506 528 540 552 560 567 576 594 616 621 630 644 648 660 672 690 693 704 720 736 756 759 770 792 805 810 828 840 864 880 891 914 920 924 945 960 966 990 1008 1012 1035 1056 1080 1104 1120 1134 1155 1188 1232 1242 1260 1265 1288 1296 1320 1344 1371 1380 1386 1440 1449 1472 1485 1512 1518 1540 1584 1610 1620 1656 1680 1728 1760 1771 1782 1828 1840 1848 1863 1890 1932 1980 2016 2024 2070 2079 2112 2160 2208 2240 2268 2277 2285 2310 2376 2415 2464 2484 2520 2530 2576 2592 2640 2742 2760 2772 2835 2880 2898 2970 3024 3036 3080 3105 3168 3199 3220 3240 3312 3360 3465 3520 3542 3564 3656 3680 3696 3726 3780 3795 3864 3960 4032 4048 4113 4140 4158 4320 4347 4416 4455 4536 4554 4570 4620 4752 4830 4928 4968 5027 5040 5060 5152 5184 5280 5313 5484 5520 5544 5670 5796 5940 6048 6072 6160 6210 6237 6336 6398 6440 6480 6624 6720 6831 6855 6930 7084 7128 7245 7312 7360 7392 7452 7560 7590 7728 7920 8096 8226 8280 8316 8640 8694 8855 8910 9072 9108 9140 9240 9315 9504 9597 9660 9936 10054 10080 10120 10304 10395 10511 10560 10626 10968 11040 11088 11340 11385 11592 11880 12096 12144 12320 12339 12420 12474 12796 12880 12960 13041 13248 13662 13710 13860 14168 14256 14490 14624 14784 14904 15081 15120 15180 15456 15840 15939 15995 16192 16452 16560 16632 17388 17710 17820 18144 18216 18280 18480 18630 19008 19194 19320 19872 20108 20160 20240 20493 20565 20790 21022 21252 21735 21936 22080 22176 22680 22770 23184 23760 24288 24640 24678 24840 24948 25135 25592 25760 25920 26082 26565 27324 27420 27720 28336 28512 28791 28980 29248 29808 30162 30240 30360 30912 31185 31533 31680 31878 31990 32904 33120 33264 34155 34776 35189 35420 35640 36288 36432 36560 36960 37017 37260 38388 38640 39744 40216 40480 40986 41130 41580 42044 42504 43470 43872 44352 45243 45360 45540 46368 47520 47817 47985 48576 49356 49680 49896 50270 51184 51520 52164 52555 53130 54648 54840 55440 56672 57024 57582 57960 59616 60324 60480 60720 61695 62370 63066 63756 63980 65205 65808 66240 66528 68310 69552 70378 70840 71280 72864 73120 73577 73920 74034 74520 75405 76776 77280 79695 80432 80960 81972 82260 83160 84088 85008 86373 86940 87744 90486 90720 91080 92736 94599 95040 95634 95970 98712 99360 99792 100540 102368 102465 104328 105110 105567 106260 109296 109680 110880 113344 115164 115621 115920 119232 120648 121440 123390 124740 126132 127512 127960 130410 131616 133056 135729 136620 139104 140756 141680 142560 143451 143955 145728 146240 147154 148068 149040 150810 153552 154560 157665 159390 160864 163944 164520 166320 168176 170016 172746 173880 175945 180972 181440 182160 185085 189198 191268 191940 197424 198720 199584 201080 204736 204930 208656 210220 211134 212520 218592 219360 220731 221760 226215 230328 231242 231840 239085 241296 242880 246780 249480 252264 255024 255920 259119 260820 263232 271458 273240 278208 281512 283360 283797 285120 286902 287910 294308 296136 298080 301620 307104 315330 316701 318780 321728 327888 329040 332640 336352 340032 345492 346863 347760 351890 361944 364320 367885 370170 378396 382536 383880 394848 399168 402160 407187 409860 417312 420440 422268 425040 431865 437184 438720 441462 452430 460656 462484 463680 472995 478170 482592 493560 498960 504528 510048 511840 518238 521640 527835 542916 546480 563024 566720 567594 573804 575820 578105 588616 592272 596160 603240 614208 630660 633402 637560 655776 658080 662193 665280 672704 678645 690984 693726 695520 703780 717255 723888 728640 735770 740340 756792 765072 767760 789696 804320 809347 814374 819720 834624 840880 844536 850080 851391 863730 882924 904860 921312 924968 945990 950103 956340 965184 987120 997920 1009056 1020096 1023680 1036476 1040589 1043280 1055670 1085832 1092960 1103655 1126048 1135188 1147608 1151640 1156210 1177232 1184544 1206480 1261320 1266804 1275120 1295595 1311552 1316160 1324386 1357290 1381968 1387452 1391040 1407560 1418985 1434510 1447776 1471540 1480680 1513584 1530144 1535520 1583505 1608640 1618694 1628748 1639440 1681760 1689072 1700160 1702782 1727460 1734315 1765848 1809720 1842624 1849936 1891980 1900206 1912680 1974240 1986579 1995840 2018112 2035935 2072952 2081178 2086560 2111340 2171664 2185920 2207310 2252096 2270376 2295216 2303280 2312420 2354464 2369088 2412960 2428041 2522640 2533608 2550240 2591190 2648772 2714580 2763936 2774904 2815120 2837970 2850309 2869020 2895552 2943080 2961360 3027168 3060288 3071040 3121767 3167010 3237388 3257496 3278880 3310965 3363520 3378144 3405564 3454920 3468630 3531696 3619440 3699872 3783960 3800412 3825360 3948480 3973158 4046735 4071870 4145904 4162356 4173120 4222680 4256955 4343328 4414620 4540752 4590432 4606560 4624840 4708928 4750515 4825920 4856082 5045280 5067216 5100480 5182380 5202945 5297544 5429160 5527872 5549808 5630240 5675940 5700618 5738040 5886160 5922720 5959737 6054336 6243534 6334020 6474776 6514992 6557760 6621930 6756288 6811128 6909840 6937260 7063392 7238880 7284123 7399744 7567920 7600824 7650720 7946316 8093470 8143740 8291808 8324712 8445360 8513910 8686656 8829240 9081504 9180864 9213120 9249680 9365301 9501030 9712164 9932895 10090560 10134432 10364760 10405890 10595088 10858320 11099616 11260480 11351880 11401236 11476080 11772320 11845440 11919474 12140205 12487068 12668040 12949552 13029984 13243860 13622256 13819680 13874520 14126784 14251545 14477760 14568246 15135840 15201648 15301440 15608835 15892632 16186940 16287480 16583616 16649424 16890720 17027820 17658480 18163008 18499360 18730602 19002060 19424328 19865790 20268864 20729520 20811780 21190176 21716640 21852369 22199232 22703760 22802472 22952160 23544640 23838948 24280410 24974136 25336080 25899104 26059968 26487720 27244512 27639360 27749040 28503090 29136492 29798685 30271680 30403296 31217670 31785264 32373880 32574960 33298848 33781440 34055640 35316960 36420615 36998720 37461204 38004120 38848656 39731580 41459040 41623560 42380352 43433280 43704738 45407520 45604944 45904320 46826505 47677896 48560820 49948272 50672160 51798208 52975440 54489024 55498080 57006180 58272984 59597370 60806592 62435340 63570528 64747760 65149920 65557107 66597696 68111280 70633920 72841230 74922408 76008240 77697312 79463160 82918080 83247120 87409476 90815040 91209888 93653010 95355792 97121640 99896544 101344320 105950880 109261845 110996160 114012360 116545968 119194740 124870680 127141056 129495520 130299840 131114214 136222560 145682460 149844816 152016480 155394624 158926320 166494240 174818952 182419776 187306020 190711584 194243280 199793088 211901760 218523690 228024720 233091936 238389480 249741360 258991040 262228428 272445120 291364920 299689632 304032960 317852640 327785535 332988480 349637904 374612040 381423168 388486560 437047380 456049440 466183872 476778960 499482720 524456856 582729840 599379264 635705280 655571070 699275808 749224080 776973120 874094760 912098880 953557920 998965440 1048913712 1165459680 1311142140 1398551616 1498448160 1748189520 1907115840 2097827424 2330919360 2622284280 2996896320 3496379040 4195654848 5244568560 6992758080 10489137120 20978274240
• Sum of all divisors σ(n): 97294500864
• Sum of proper divisors (its aliquot sum) s(n): 76316226624
• 20978274240 is an abundant number, because the sum of its proper divisors (76316226624) is greater than itself. Its abundance is 55337952384

Bases of 20978274240

• Binary: 10011100010011001110000111111000000₂
• Hexadecimal: 0x4E2670FC0
• Base-36: 9MXX800

Squares and roots of 20978274240

• 20978274240 squared (20978274240²) is 440087990088647577600
• 20978274240 cubed (20978274240³) is 9232286545810050793604481024000
• The square root of 20978274240 is 144838.7870703149
• The cube root of 20978274240 is 2757.9724238919

Scales and comparisons

• 20,978,274,240 seconds is equal to 667 years, 2 weeks, 2 days, 2 hours, 24 minutes.
• To count from 1 to 20,978,274,240 would take you about one thousand, three hundred thirty-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 20978274240 cubic inches would be around 229.8 feet tall.

Recreational maths with 20978274240

• 20978274240 backwards is 04247287902
• 20978274240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20978274240's digits is 45
• More coming soon!