18009937294080

Names of 18009937294080

• Cardinal: 18009937294080 can be written as Eighteen trillion, nine billion, nine hundred thirty-seven million, two hundred ninety-four thousand and eighty.

Scientific notation

• Scientific notation: 1.800993729408 × 10¹³

Factors of 18009937294080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 721837

Divisors of 18009937294080

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 67 80 96 97 120 128 134 160 192 194 201 240 256 268 291 320 335 384 388 402 480 485 536 582 640 670 768 776 804 960 970 1005 1072 1164 1280 1340 1455 1552 1608 1920 1940 2010 2144 2328 2680 2910 3104 3216 3840 3880 4020 4288 4656 5360 5820 6208 6432 6499 7760 8040 8576 9312 10720 11640 12416 12864 12998 15520 16080 17152 18624 19497 21440 23280 24832 25728 25996 31040 32160 32495 37248 38994 42880 46560 51456 51992 62080 64320 64990 74496 77988 85760 93120 97485 103984 124160 128640 129980 155976 186240 194970 207968 257280 259960 311952 372480 389940 415936 519920 623904 721663 779880 831872 1039840 1247808 1443326 1559760 1663744 2079680 2164989 2495616 2886652 3119520 3608315 4159360 4329978 4991232 5773304 6239040 7216630 8318720 8659956 10824945 11546608 12478080 14433260 17319912 21649890 23093216 24956160 28866520 34639824 43299780 46186432 48351421 57733040 69279648 70001311 86599560 92372864 96702842 115466080 138559296 140002622 145054263 173199120 184745728 193405684 210003933 230932160 241757105 277118592 280005244 290108526 346398240 350006555 386811368 420007866 461864320 483514210 554237184 560010488 580217052 692796480 700013110 725271315 773622736 840015732 923728640 967028420 1050019665 1120020976 1160434104 1385592960 1400026220 1450542630 1547245472 1680031464 1934056840 2100039330 2240041952 2320868208 2771185920 2800052440 2901085260 3094490944 3360062928 3868113680 4200078660 4480083904 4641736416 4690087837 5600104880 5802170520 6188981888 6720125856 7736227360 8400157320 8960167808 9283472832 9380175674 11200209760 11604341040 12377963776 13440251712 14070263511 15472454720 16800314640 17920335616 18566945664 18760351348 22400419520 23208682080 23450439185 26880503424 28140527022 30944909440 33600629280 37133891328 37520702696 44800839040 46417364160 46900878370 53761006848 56281054044 61889818880 67201258560 70351317555 75041405392 89601678080 92834728320 93801756740 112562108088 134402517120 140702635110 150082810784 185669456640 187603513480 225124216176 268805034240 281405270220 300165621568 375207026960 450248432352 562810540440 600331243136 750414053920 900496864704 1125621080880 1200662486272 1500828107840 1800993729408 2251242161760 3001656215680 3601987458816 4502484323520 6003312431360 9004968647040 18009937294080
• Sum of all divisors σ(n): 58979647340544
• Sum of proper divisors (its aliquot sum) s(n): 40969710046464
• 18009937294080 is an abundant number, because the sum of its proper divisors (40969710046464) is greater than itself. Its abundance is 22959772752384

Bases of 18009937294080

• Binary: 100000110000101000011111010100011001100000000₂
• Hexadecimal: 0x106143EA3300
• Base-36: 6DTNFNU2O

Squares and roots of 18009937294080

• 18009937294080 squared (18009937294080²) is 324357841336693632403046400
• 18009937294080 cubed (18009937294080³) is 5841664383317002088174887689164685312000
• The square root of 18009937294080 is 4243811.6468665289
• The cube root of 18009937294080 is 26212.2358470631

Scales and comparisons

• 18,009,937,294,080 seconds is equal to 572,660 years, 15 weeks, 3 days, 7 hours, 28 minutes.
• To count from 1 to 18,009,937,294,080 would take you about one million, four hundred thirty-one thousand, six hundred fifty 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 18009937294080 cubic inches would be around 2184.4 feet tall.

Recreational maths with 18009937294080

• 18009937294080 backwards is 08049273990081
• 18009937294080 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18009937294080's digits is 60
• More coming soon!