18931313440320

Names of 18931313440320

• Cardinal: 18931313440320 can be written as Eighteen trillion, nine hundred thirty-one billion, three hundred thirteen million, four hundred forty thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.893131344032 × 10¹³

Factors of 18931313440320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 887

Divisors of 18931313440320

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 127 136 160 170 192 204 240 254 255 272 289 320 340 381 408 480 508 510 544 578 635 680 733 762 816 867 960 1016 1020 1088 1156 1270 1360 1445 1466 1524 1632 1734 1905 2032 2040 2159 2199 2312 2540 2720 2890 2932 3048 3264 3468 3665 3810 4064 4080 4318 4335 4398 4624 5080 5440 5780 5864 6096 6477 6936 7330 7620 8128 8160 8636 8670 8796 9248 10160 10795 10995 11560 11728 12192 12461 12954 13872 14660 15240 16320 17272 17340 17592 18496 20320 21590 21990 23120 23456 24384 24922 25908 27744 29320 30480 32385 34544 34680 35184 36703 37383 40640 43180 43980 46240 46912 49844 51816 55488 58640 60960 62305 64770 69088 69360 70368 73406 74766 86360 87960 92480 93091 99688 103632 110109 117280 121920 124610 129540 138176 138720 140736 146812 149532 172720 175920 183515 186182 186915 199376 207264 211837 220218 234560 249220 259080 277440 279273 293624 299064 345440 351840 367030 372364 373830 398752 414528 423674 440436 465455 498440 518160 537289 550545 558546 587248 598128 635511 690880 703680 734060 744728 747660 797504 847348 880872 930910 996880 1036320 1059185 1074578 1101090 1117092 1174496 1196256 1271022 1396365 1468120 1489456 1495320 1582547 1611867 1694696 1761744 1861820 1993760 2072640 2118370 2149156 2202180 2234184 2348992 2392512 2542044 2686445 2792730 2936240 2978912 2990640 3165094 3177555 3223734 3389392 3523488 3723640 3987520 4236740 4298312 4404360 4468368 4747641 5084088 5372890 5585460 5872480 5957824 5981280 6330188 6355110 6447468 6778784 7046976 7447280 7912735 8059335 8473480 8596624 8808720 8936736 9133913 9495282 10168176 10745780 11170920 11744960 11962560 12660376 12710220 12894936 13557568 14894560 15825470 16118670 16946960 17193248 17617440 17873472 18267826 18990564 20336352 21491560 22341840 23738205 25320752 25420440 25789872 26903299 27401739 29789120 31650940 32237340 33893920 34386496 35234880 36535652 37981128 40672704 42983120 44683680 45669565 47476410 50641504 50840880 51579744 53806598 54803478 63301880 64474680 67787840 68235703 73071304 75962256 80709897 85966240 89367360 91339130 94952820 101283008 101681760 103159488 107613196 109606956 126603760 128949360 134516495 136471406 137008695 146142608 151924512 155276521 161419794 171932480 182678260 189905640 203363520 204707109 215226392 219213912 253207520 257898720 269032990 272942812 274017390 292285216 303849024 310553042 322839588 341178515 365356520 379811280 403549485 409414218 430452784 438427824 465829563 506415040 515797440 538065980 545885624 548034780 584570432 621106084 645679176 682357030 730713040 759622560 776382605 807098970 818828436 860905568 876855648 931659126 1023535545 1076131960 1091771248 1096069560 1160006951 1242212168 1291358352 1364714060 1461426080 1519245120 1552765210 1614197940 1637656872 1721811136 1753711296 1863318252 2047071090 2152263920 2183542496 2192139120 2320013902 2329147815 2484424336 2582716704 2729428120 2922852160 3105530420 3228395880 3275313744 3480020853 3726636504 4094142180 4304527840 4367084992 4384278240 4640027804 4658295630 4968848672 5165433408 5458856240 5800034755 6211060840 6456791760 6550627488 6960041706 7453273008 8188284360 8609055680 8768556480 9280055608 9316591260 9937697344 10917712480 11600069510 12422121680 12913583520 13101254976 13920083412 14906546016 16376568720 17400104265 18560111216 18633182520 19720118167 21835424960 23200139020 24844243360 25827167040 27840166824 29813092032 32753137440 34800208530 37120222432 37266365040 39440236334 46400278040 49688486720 55680333648 59160354501 65506274880 69600417060 74240444864 74532730080 78880472668 92800556080 98600590835 111360667296 118320709002 139200834120 149065460160 157760945336 185601112160 197201181670 222721334592 236641418004 278401668240 295801772505 315521890672 371202224320 394402363340 473282836008 556803336480 591603545010 631043781344 788804726680 946565672016 1113606672960 1183207090020 1262087562688 1577609453360 1893131344032 2366414180040 3155218906720 3786262688064 4732828360080 6310437813440 9465656720160 18931313440320
• Sum of all divisors σ(n): 64441278710784
• Sum of proper divisors (its aliquot sum) s(n): 45509965270464
• 18931313440320 is an abundant number, because the sum of its proper divisors (45509965270464) is greater than itself. Its abundance is 26578651830144

Bases of 18931313440320

• Binary: 100010011011111001010001101100111011001000000₂
• Hexadecimal: 0x1137CA367640
• Base-36: 6PKXB8AIO

Squares and roots of 18931313440320

• 18931313440320 squared (18931313440320²) is 358394628575640674201702400
• 18931313440320 cubed (18931313440320³) is 6784881048892520633269554931744800768000
• The square root of 18931313440320 is 4351012.9211851347
• The cube root of 18931313440320 is 26651.8226915761

Scales and comparisons

• 18,931,313,440,320 seconds is equal to 601,957 years, 10 weeks, 6 days, 1 hour, 52 minutes.
• To count from 1 to 18,931,313,440,320 would take you about one million, five hundred four thousand, eight hundred ninety-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 18931313440320 cubic inches would be around 2221 feet tall.

Recreational maths with 18931313440320

• 18931313440320 backwards is 02304431313981
• The number of decimal digits it has is: 14
• The sum of 18931313440320's digits is 42
• More coming soon!