18518220000

Names of 18518220000

• Cardinal: 18518220000 can be written as Eighteen billion, five hundred eighteen million, two hundred twenty thousand.

Scientific notation

• Scientific notation: 1.851822 × 10¹⁰

Factors of 18518220000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 111

Divisors of 18518220000

• Number of divisors d(n): 1200
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 23 24 25 27 28 30 32 35 36 40 42 45 46 48 50 54 56 60 63 69 70 71 72 75 80 81 84 90 92 96 100 105 108 112 115 120 125 126 135 138 140 142 144 150 160 161 162 168 175 180 184 189 200 207 210 213 216 224 225 230 240 250 252 270 276 280 284 288 300 315 322 324 336 345 350 355 360 368 375 378 400 405 414 420 426 432 450 460 480 483 497 500 504 525 540 552 560 567 568 575 600 621 625 630 639 644 648 672 675 690 700 710 720 736 750 756 800 805 810 828 840 852 864 875 900 920 945 966 994 1000 1008 1035 1050 1065 1080 1104 1120 1125 1134 1136 1150 1200 1242 1250 1260 1278 1288 1296 1350 1380 1400 1420 1440 1449 1491 1500 1512 1575 1610 1620 1633 1656 1680 1704 1725 1750 1775 1800 1840 1863 1875 1890 1917 1932 1988 2000 2016 2025 2070 2100 2130 2160 2208 2250 2268 2272 2300 2400 2415 2484 2485 2500 2520 2556 2576 2592 2625 2700 2760 2800 2835 2840 2875 2898 2982 3000 3024 3105 3150 3195 3220 3240 3266 3312 3360 3375 3408 3450 3500 3550 3600 3680 3726 3750 3780 3834 3864 3976 4000 4025 4050 4140 4200 4260 4320 4347 4375 4473 4500 4536 4600 4725 4830 4899 4968 4970 5000 5040 5112 5152 5175 5250 5325 5400 5520 5600 5625 5670 5680 5750 5751 5796 5964 6000 6048 6210 6300 6390 6440 6480 6532 6624 6750 6816 6900 7000 7100 7200 7245 7452 7455 7500 7560 7668 7728 7875 7952 8050 8100 8165 8280 8400 8520 8625 8694 8750 8875 8946 9000 9072 9200 9315 9450 9585 9660 9798 9936 9940 10000 10080 10125 10224 10350 10500 10650 10800 11040 11250 11340 11360 11431 11500 11502 11592 11928 12000 12075 12420 12425 12600 12780 12880 12960 13041 13064 13125 13419 13500 13800 14000 14175 14200 14375 14490 14697 14904 14910 15000 15120 15336 15456 15525 15750 15904 15975 16100 16200 16330 16560 16800 16875 17040 17250 17388 17500 17750 17892 18000 18144 18400 18630 18900 19170 19320 19596 19872 19880 20000 20125 20250 20448 20700 21000 21300 21600 21735 22365 22500 22680 22862 23000 23004 23184 23625 23856 24150 24495 24840 24850 25200 25560 25760 25875 26082 26128 26250 26625 26838 27000 27600 28000 28350 28400 28750 28755 28980 29394 29808 29820 30000 30240 30672 31050 31500 31950 32200 32400 32660 33120 33750 34080 34293 34500 34776 35000 35500 35784 36000 36225 37260 37275 37800 38340 38640 39192 39375 39760 40250 40257 40500 40825 41400 42000 42600 43125 43470 44091 44375 44730 45000 45360 45724 46000 46008 46368 46575 47250 47712 47925 48300 48990 49680 49700 50400 50625 51120 51750 52164 52256 52500 53250 53676 54000 55200 56700 56800 57155 57500 57510 57960 58788 59616 59640 60000 60375 61344 62100 62125 63000 63900 64400 64800 65205 65320 67095 67500 68586 69000 69552 70000 70875 71000 71568 72450 73485 74520 74550 75600 76680 77280 77625 78384 78750 79520 79875 80500 80514 81000 81650 82800 84000 85200 86250 86940 88182 88750 89460 90000 90720 91448 92000 92016 93150 94500 95850 96600 97980 99360 99400 100625 101250 102240 102879 103500 104328 105000 106500 107352 108000 108675 111825 113400 114310 115000 115020 115920 117576 118125 119280 120750 122475 124200 124250 126000 127800 128800 129375 130410 130640 132273 133125 134190 135000 137172 138000 139104 140000 141750 142000 143136 143775 144900 146970 149040 149100 151200 153360 155250 156768 157500 159750 161000 161028 162000 163300 165600 170400 171465 172500 173880 176364 177500 178920 180000 181125 182896 184032 186300 186375 189000 191700 193200 195960 198800 201250 201285 202500 204125 205758 207000 208656 210000 213000 214704 217350 220455 223650 226800 228620 230000 230040 231840 232875 235152 236250 238560 239625 241500 244950 248400 248500 252000 255600 258750 260820 261280 264546 266250 268380 270000 274344 276000 283500 284000 285775 287550 289800 293940 298080 298200 301875 306720 308637 310500 310625 315000 319500 322000 322056 324000 326025 326600 335475 342930 345000 347760 352728 354375 355000 357840 362250 365792 367425 372600 372750 378000 383400 386400 388125 391920 397600 399375 402500 402570 405000 408250 411516 414000 417312 420000 426000 429408 434700 440910 447300 453600 457240 460000 460080 465750 470304 472500 479250 483000 489900 496800 497000 511200 514395 517500 521640 529092 532500 536760 540000 543375 548688 559125 567000 571550 575100 579600 587880 596400 603750 612375 617274 621000 621250 630000 639000 644000 644112 652050 653200 661365 670950 685860 690000 695520 705456 708750 710000 715680 718875 724500 734850 745200 745500 756000 766800 776250 783840 798750 805000 805140 810000 816500 823032 828000 852000 857325 869400 881820 894600 905625 914480 920160 925911 931500 931875 945000 958500 966000 979800 994000 1006425 1020625 1028790 1035000 1043280 1058184 1065000 1073520 1086750 1097376 1102275 1118250 1134000 1143100 1150200 1159200 1164375 1175760 1192800 1198125 1207500 1224750 1234548 1242000 1242500 1260000 1278000 1288224 1304100 1306400 1322730 1341900 1371720 1380000 1410912 1417500 1420000 1428875 1437750 1449000 1469700 1490400 1491000 1533600 1543185 1552500 1597500 1610000 1610280 1620000 1630125 1633000 1646064 1677375 1714650 1738800 1763640 1789200 1811250 1828960 1837125 1851822 1863000 1863750 1890000 1917000 1932000 1959600 1988000 2012850 2041250 2057580 2070000 2086560 2116368 2130000 2147040 2173500 2204550 2236500 2268000 2286200 2300400 2328750 2351520 2396250 2415000 2449500 2469096 2484000 2485000 2556000 2571975 2608200 2645460 2683800 2716875 2743440 2795625 2835000 2857750 2875500 2898000 2939400 2982000 3061875 3086370 3105000 3195000 3220000 3220560 3260250 3266000 3292128 3306825 3354750 3429300 3477600 3527280 3578400 3594375 3622500 3674250 3703644 3726000 3727500 3780000 3834000 3919200 4025700 4082500 4115160 4140000 4232736 4260000 4286625 4347000 4409100 4473000 4572400 4600800 4629555 4657500 4792500 4830000 4899000 4938192 4970000 5032125 5143950 5216400 5290920 5367600 5433750 5486880 5511375 5591250 5670000 5715500 5751000 5796000 5878800 5964000 6123750 6172740 6210000 6390000 6441120 6520500 6532000 6613650 6709500 6858600 7054560 7144375 7188750 7245000 7348500 7407288 7452000 7455000 7668000 7715925 8051400 8150625 8165000 8230320 8386875 8573250 8694000 8818200 8946000 9144800 9185625 9259110 9315000 9585000 9660000 9798000 9876384 9940000 10064250 10287900 10432800 10581840 10735200 10867500 11022750 11182500 11340000 11431000 11502000 11757600 12247500 12345480 12420000 12780000 12859875 13041000 13227300 13419000 13717200 14288750 14377500 14490000 14697000 14814576 14910000 15431850 16102800 16301250 16330000 16460640 16534125 16773750 17146500 17388000 17636400 17892000 18371250 18518220 18630000 19170000 19596000 20128500 20575800 21163680 21433125 21735000 22045500 22365000 22862000 23004000 23147775 24495000 24690960 25160625 25719750 26082000 26454600 26838000 27434400 27556875 28577500 28755000 28980000 29394000 29629152 29820000 30863700 32205600 32602500 32660000 33068250 33547500 34293000 35272800 36742500 37036440 37260000 38340000 38579625 40257000 41151600 42866250 43470000 44091000 44730000 45724000 46295550 48990000 49381920 50321250 51439500 52164000 52909200 53676000 55113750 57155000 57510000 58788000 61727400 64299375 65205000 66136500 67095000 68586000 73485000 74072880 77159250 80514000 82303200 82670625 85732500 86940000 88182000 89460000 92591100 97980000 100642500 102879000 105818400 110227500 114310000 115020000 115738875 123454800 128598750 130410000 132273000 134190000 137172000 146970000 148145760 154318500 161028000 165341250 171465000 176364000 185182200 192898125 201285000 205758000 220455000 228620000 231477750 246909600 257197500 260820000 264546000 268380000 293940000 308637000 330682500 342930000 370364400 385796250 402570000 411516000 440910000 462955500 514395000 529092000 578694375 617274000 661365000 685860000 740728800 771592500 805140000 881820000 925911000 1028790000 1157388750 1234548000 1322730000 1543185000 1851822000 2057580000 2314777500 2645460000 3086370000 3703644000 4629555000 6172740000 9259110000 18518220000
• Sum of all divisors σ(n): 82302054912
• Sum of proper divisors (its aliquot sum) s(n): 63783834912
• 18518220000 is an abundant number, because the sum of its proper divisors (63783834912) is greater than itself. Its abundance is 45265614912

Bases of 18518220000

• Binary: 10001001111110001011001110011100000₂
• Hexadecimal: 0x44FC59CE0
• Base-36: 8I99Q00

Squares and roots of 18518220000

• 18518220000 squared (18518220000²) is 342924471968400000000
• 18518220000 cubed (18518220000³) is 6350350815294664248000000000000
• The square root of 18518220000 is 136081.6666564605
• The cube root of 18518220000 is 2645.6542038123

Scales and comparisons

• 18,518,220,000 seconds is equal to 588 years, 42 weeks, 5 days, 6 hours.
• To count from 1 to 18,518,220,000 would take you about one thousand, one hundred seventy-seven 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 18518220000 cubic inches would be around 220.5 feet tall.

Recreational maths with 18518220000

• 18518220000 backwards is 00002281581
• 18518220000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18518220000's digits is 27
• More coming soon!