18990540354542080

Names of 18990540354542080

• Cardinal: 18990540354542080 can be written as Eighteen quadrillion, nine hundred ninety trillion, five hundred forty billion, three hundred fifty-four million, five hundred forty-two thousand and eighty.

Scientific notation

• Scientific notation: 1.899054035454208 × 10¹⁶

Factors of 18990540354542080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 6799723

Divisors of 18990540354542080

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 47 64 80 94 128 139 160 167 188 235 256 278 320 334 376 470 512 556 640 668 695 752 835 940 1112 1280 1336 1390 1504 1670 1880 2224 2560 2672 2780 3008 3340 3760 4448 5344 5560 6016 6533 6680 7520 7849 8896 10688 11120 12032 13066 13360 15040 15698 17792 21376 22240 23213 24064 26132 26720 30080 31396 32665 35584 39245 42752 44480 46426 52264 53440 60160 62792 65330 71168 78490 85504 88960 92852 104528 106880 116065 120320 125584 130660 156980 177920 185704 209056 213760 232130 251168 261320 313960 355840 371408 418112 427520 464260 502336 522640 627920 742816 836224 928520 1004672 1045280 1091011 1255840 1485632 1672448 1857040 2009344 2090560 2182022 2511680 2971264 3344896 3714080 4018688 4181120 4364044 5023360 5455055 5942528 6799363 7428160 8362240 8728088 10046720 10910110 11885056 13598726 14856320 16724480 17456176 20093440 21820220 27197452 29712640 33996815 34912352 43640440 54394904 59425280 67993630 69824704 87280880 108789808 135987260 139649408 174561760 217579616 271974520 279298816 319570061 349123520 435159232 543949040 558597632 639140122 698247040 870318464 945111457 1087898080 1135493621 1278280244 1396494080 1597850305 1740636928 1890222914 2175796160 2270987242 2556560488 2792988160 3195700610 3481273856 3780445828 4351592320 4541974484 4725557285 5113120976 5677468105 6391401220 7560891656 8703184640 9083948968 9451114570 10226241952 11354936210 12782802440 15121783312 17406369280 18167897936 18902229140 20452483904 22709872420 25565604880 30243566624 36335795872 37804458280 40904967808 44420238479 45419744840 51131209760 53368200187 60487133248 72671591744 75608916560 81809935616 88840476958 90839489680 102262419520 106736400374 120974266496 145343183488 151217833120 157833613319 163619871232 177680953916 181678979360 204524839040 213472800748 222101192395 241948532992 266841000935 290686366976 302435666240 315667226638 355361907832 363357958720 409049678080 426945601496 444202384790 483897065984 533682001870 581372733952 604871332480 631334453276 710723815664 726715917440 789168066595 818099356160 853891202992 888404769580 1067364003740 1209742664960 1262668906552 1421447631328 1453431834880 1578336133190 1707782405984 1776809539160 2134728007480 2419485329920 2525337813104 2842895262656 2906863669760 3156672266380 3415564811968 3553619078320 4269456014960 5050675626208 5685790525312 6313344532760 6831129623936 7107238156640 7418179825993 8538912029920 10101351252416 11371581050624 12626689065520 13662259247872 14214476313280 14836359651986 17077824059840 20202702504832 22743162101248 25253378131040 27324518495744 28428952626560 29672719303972 34155648119680 37090899129965 40405405009664 50506756262080 56857905253120 59345438607944 68311296239360 74181798259930 80810810019328 101013512524160 113715810506240 118690877215888 136622592478720 148363596519860 202027025048320 237381754431776 296727193039720 404054050096640 474763508863552 593454386079440 949527017727104 1186908772158880 1899054035454208 2373817544317760 3798108070908416 4747635088635520 9495270177271040 18990540354542080
• Sum of all divisors σ(n): 47116576866078720
• Sum of proper divisors (its aliquot sum) s(n): 28126036511536640
• 18990540354542080 is an abundant number, because the sum of its proper divisors (28126036511536640) is greater than itself. Its abundance is 9135496156994560

Bases of 18990540354542080

• Binary: 1000011011101111100101110111011111011001101101000000000₂
• Hexadecimal: 0x4377CBBBECDA00
• Base-36: 56ZL1STVEV4

Squares and roots of 18990540354542080

• 18990540354542080 squared (18990540354542080²) is 360640622957491229546486490726400
• 18990540354542080 cubed (18990540354542080³) is 6848760303761432090196425666768105370038566912000
• The square root of 18990540354542080 is 137806169.5082701295
• The cube root of 18990540354542080 is 266795.8730759721

Scales and comparisons

• 18,990,540,354,542,080 seconds is equal to 603,840,441 years, 35 weeks, 1 day, 3 hours, 54 minutes, 40 seconds.
• To count from 1 to 18,990,540,354,542,080 would take you about one billion, eight hundred eleven million, five hundred twenty-one thousand, three hundred twenty-five 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 18990540354542080 cubic inches would be around 22233 feet tall.

Recreational maths with 18990540354542080

• 18990540354542080 backwards is 08024545304509981
• The number of decimal digits it has is: 17
• The sum of 18990540354542080's digits is 67
• More coming soon!