18019155939840

Names of 18019155939840

• Cardinal: 18019155939840 can be written as Eighteen trillion, nineteen billion, one hundred fifty-five million, nine hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.801915593984 × 10¹³

Factors of 18019155939840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 13223

Divisors of 18019155939840

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 88 90 96 99 108 110 120 128 132 135 144 160 165 176 180 192 198 216 220 240 256 264 270 288 297 320 330 352 360 384 396 432 440 480 495 512 528 540 576 594 640 660 704 720 768 792 864 880 960 990 1056 1080 1152 1188 1280 1320 1408 1440 1485 1536 1584 1728 1760 1920 1980 2112 2143 2160 2304 2376 2560 2640 2816 2880 2970 3168 3456 3520 3840 3960 4224 4286 4320 4608 4752 5280 5632 5760 5940 6336 6429 6912 7040 7680 7920 8448 8572 8640 9504 10560 10715 11059 11520 11880 12672 12858 13824 14080 15840 16896 17144 17280 19008 19287 21120 21430 22118 23040 23573 23760 25344 25716 28160 31680 32145 33177 34288 34560 38016 38574 42240 42860 44236 47146 47520 50688 51432 55295 57861 63360 64290 66354 68576 69120 70719 76032 77148 84480 85720 88472 94292 95040 96435 99531 102864 110590 115722 117865 121649 126720 128580 132708 137152 141438 152064 154296 165885 171440 176944 188584 190080 192870 199062 205728 212157 221180 231444 235730 243298 253440 257160 265416 274304 282876 289305 298593 308592 331770 342880 353595 353888 364947 377168 380160 385740 398124 411456 424314 442360 462888 471460 486596 497655 514320 530832 548608 565752 578610 597186 608245 617184 636471 663540 685760 707190 707776 729894 754336 760320 771480 796248 822912 848628 884720 925776 942920 973192 995310 1028640 1060785 1061664 1094841 1097216 1131504 1157220 1194372 1216490 1234368 1272942 1327080 1371520 1414380 1415552 1459788 1492965 1508672 1542960 1592496 1645824 1697256 1769440 1824735 1851552 1885840 1946384 1990620 2057280 2121570 2123328 2189682 2263008 2314440 2388744 2432980 2468736 2545884 2654160 2743040 2828760 2831104 2919576 2985930 3017344 3085920 3182355 3184992 3284523 3291648 3394512 3538880 3649470 3703104 3771680 3892768 3981240 4114560 4243140 4246656 4379364 4526016 4628880 4777488 4865960 4937472 5091768 5308320 5474205 5486080 5657520 5662208 5839152 5971860 6034688 6171840 6364710 6369984 6569046 6789024 7077760 7298940 7406208 7543360 7785536 7962480 8229120 8486280 8493312 8758728 9052032 9257760 9554976 9731920 9874944 10183536 10616640 10948410 11315040 11678304 11943720 12069376 12343680 12729420 12739968 13138092 13578048 14155520 14597880 14812416 15086720 15571072 15924960 16422615 16458240 16972560 16986624 17517456 18104064 18515520 19109952 19463840 20367072 21233280 21896820 22630080 23356608 23699437 23887440 24687360 25458840 25479936 26276184 27156096 28311040 29195760 29624832 30173440 31142144 31849920 32845230 33945120 35034912 36208128 37031040 38219904 38927680 40734144 42466560 43793640 45260160 46713216 47398874 47774880 49374720 50917680 50959872 52552368 54312192 58391520 60346880 62284288 63699840 65690460 67890240 70069824 71098311 74062080 76439808 77855360 81468288 84933120 87587280 90520320 93426432 94797748 95549760 101835360 105104736 108624384 116783040 118497185 127399680 131380920 135780480 140139648 142196622 148124160 152879616 155710720 162936576 175174560 181040640 186852864 189595496 191099520 203670720 210209472 213294933 233566080 236994370 254799360 260693807 262761840 271560960 280279296 284393244 311421440 325873152 350349120 355491555 379190992 382199040 407341440 420418944 426589866 467132160 473988740 521387614 525523680 543121920 560558592 568786488 639884799 700698240 710983110 758381984 764398080 782081421 814682880 840837888 853179732 934264320 947977480 1042775228 1051047360 1066474665 1137572976 1279769598 1303469035 1401396480 1421966220 1516763968 1564162842 1629365760 1681675776 1706359464 1895954960 2085550456 2102094720 2132949330 2275145952 2346244263 2559539196 2606938070 2802792960 2843932440 3033527936 3128325684 3199423995 3412718928 3791909920 3910407105 4171100912 4204189440 4265898660 4550291904 4692488526 5119078392 5213876140 5687864880 6067055872 6256651368 6398847990 6825437856 7038732789 7583819840 7820814210 8342201824 8408378880 8531797320 9100583808 9384977052 10238156784 10427752280 11375729760 11731221315 12134111744 12513302736 12797695980 13650875712 14077465578 15167639680 15641628420 16684403648 17063594640 18201167616 18769954104 20476313568 20855504560 22751459520 23462442630 25026605472 25595391960 27301751424 28154931156 30335279360 31283256840 33368807296 34127189280 35193663945 36402335232 37539908208 40952627136 41711009120 45502919040 46924885260 50053210944 51190783920 54603502848 56309862312 60670558720 62566513680 66737614592 68254378560 70387327890 75079816416 81905254272 83422018240 91005838080 93849770520 100106421888 102381567840 109207005696 112619724624 125133027360 133475229184 136508757120 140774655780 150159632832 163810508544 166844036480 182011676160 187699541040 200212843776 204763135680 225239449248 250266054720 273017514240 281549311560 300319265664 327621017088 333688072960 375399082080 400425687552 409526271360 450478898496 500532109440 546035028480 563098623120 600638531328 667376145920 750798164160 819052542720 900957796992 1001064218880 1126197246240 1201277062656 1501596328320 1638105085440 1801915593984 2002128437760 2252394492480 3003192656640 3603831187968 4504788984960 6006385313280 9009577969920 18019155939840
• Sum of all divisors σ(n): 69863128473600
• Sum of proper divisors (its aliquot sum) s(n): 51843972533760
• 18019155939840 is an abundant number, because the sum of its proper divisors (51843972533760) is greater than itself. Its abundance is 33824816593920

Bases of 18019155939840

• Binary: 100000110001101101001011000111001001000000000₂
• Hexadecimal: 0x106369639200
• Base-36: 6DXVW7EO0

Squares and roots of 18019155939840

• 18019155939840 squared (18019155939840²) is 324689980784271153699225600
• 18019155939840 cubed (18019155939840³) is 5850639395855435020824570559048187904000
• The square root of 18019155939840 is 4244897.6359672091
• The cube root of 18019155939840 is 26216.7074543289

Scales and comparisons

• 18,019,155,939,840 seconds is equal to 572,953 years, 21 weeks, 6 days, 14 hours, 24 minutes.
• To count from 1 to 18,019,155,939,840 would take you about one million, four hundred thirty-two thousand, three hundred eighty-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 18019155939840 cubic inches would be around 2184.7 feet tall.

Recreational maths with 18019155939840

• 18019155939840 backwards is 04893955191081
• The number of decimal digits it has is: 14
• The sum of 18019155939840's digits is 63
• More coming soon!