18491374562040

Names of 18491374562040

• Cardinal: 18491374562040 can be written as Eighteen trillion, four hundred ninety-one billion, three hundred seventy-four million, five hundred sixty-two thousand and forty.

Scientific notation

• Scientific notation: 1.849137456204 × 10¹³

Factors of 18491374562040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 36517

Divisors of 18491374562040

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 47 54 60 71 72 81 90 94 108 120 135 141 142 162 180 188 213 216 235 270 282 284 324 355 360 376 405 423 426 470 540 564 568 639 648 705 710 810 846 852 940 1065 1080 1128 1269 1278 1410 1420 1620 1692 1704 1880 1917 2115 2130 2209 2538 2556 2820 2840 3195 3240 3337 3384 3807 3834 4230 4260 4418 5076 5112 5640 5751 6345 6390 6627 6674 7614 7668 8460 8520 8836 9585 10011 10152 11045 11502 12690 12780 13254 13348 15228 15336 16685 16920 17672 19035 19170 19881 20022 22090 23004 25380 25560 26508 26696 28755 30033 30456 33135 33370 36389 38070 38340 39762 40044 44180 46008 50055 50760 53016 57510 59643 60066 66270 66740 72778 76140 76680 79524 80088 88360 90099 99405 100110 109167 115020 119286 120132 132540 133480 145556 150165 152280 156839 159048 178929 180198 181945 198810 200220 218334 230040 238572 240264 265080 270297 291112 298215 300330 313678 327501 357858 360396 363890 397620 400440 436668 450495 470517 477144 540594 545835 596430 600660 627356 655002 715716 720792 727780 784195 795240 873336 894645 900990 941034 982503 1081188 1091670 1192860 1201320 1254712 1310004 1351485 1411551 1431432 1455560 1568390 1637505 1710283 1789290 1801980 1882068 1965006 2162376 2183340 2352585 2385720 2583619 2620008 2702970 2823102 2947509 3136780 3275010 3420566 3578580 3603960 3764136 3930012 4234653 4366680 4705170 4912515 5130849 5167238 5405940 5646204 5895018 6273560 6550020 6841132 7057755 7157160 7750857 7860024 8469306 8551415 9410340 9825030 10261698 10334476 10811880 11292408 11790036 12703959 12918095 13100040 13682264 14115510 14737545 15392547 15501714 16938612 17102830 18820680 19650060 20523396 20668952 21173265 23252571 23580072 25407918 25654245 25836190 28231020 29475090 30785094 31003428 33877224 34205660 38754285 39300120 41046792 42346530 46177641 46505142 50815836 51308490 51672380 56462040 58950180 61570188 62006856 63519795 68411320 69757713 76962735 77508570 80383301 84693060 92355282 93010284 101631672 102616980 103344760 116262855 117900360 121430093 123140376 127039590 138532923 139515426 153925470 155017140 160766602 169386120 184710564 186020568 205233960 209273139 230888205 232525710 241149903 242860186 254079180 277065846 279030852 307850940 310034280 321533204 348788565 364290279 369421128 401916505 418546278 461776410 465051420 482299806 485720372 508158360 554131692 558061704 607150465 615701880 643066408 692664615 697577130 723449709 728580558 803833010 837092556 923552820 930102840 964599612 971440744 1046365695 1092870837 1108263384 1205749515 1214300930 1385329230 1395154260 1446899418 1457161116 1607666020 1674185112 1821451395 1847105640 1929199224 2092731390 2170349127 2185741674 2411499030 2428601860 2770658460 2790308520 2893798836 2914322232 3215332040 3278612511 3617248545 3642902790 4185462780 4340698254 4371483348 4822998060 4857203720 5464354185 5541316920 5707214371 5787597672 6511047381 6557225022 7234497090 7285805580 8370925560 8681396508 8742966696 9645996120 9835837533 10851745635 10928708370 11414428742 13022094762 13114450044 14468994180 14571611160 16393062555 17121643113 17362793016 19671675066 21703491270 21857416740 22828857484 26044189524 26228900088 28536071855 28937988360 32555236905 32786125110 34243286226 39343350132 43406982540 43714833480 45657714968 49179187665 51364929339 52088379048 57072143710 65110473810 65572250220 68486572452 78686700264 85608215565 86813965080 98358375330 102729858678 114144287420 130220947620 131144500440 136973144904 154094788017 171216431130 196716750660 205459717356 228288574840 256824646695 260441895240 308189576034 342432862260 393433501320 410919434712 462284364051 513649293390 616379152068 684865724520 770473940085 924568728102 1027298586780 1232758304136 1540947880170 1849137456204 2054597173560 2311421820255 3081895760340 3698274912408 4622843640510 6163791520680 9245687281020 18491374562040
• Sum of all divisors σ(n): 64398238898400
• Sum of proper divisors (its aliquot sum) s(n): 45906864336360
• 18491374562040 is an abundant number, because the sum of its proper divisors (45906864336360) is greater than itself. Its abundance is 27415489774320

Bases of 18491374562040

• Binary: 100001101000101011011110011111110101011111000₂
• Hexadecimal: 0x10D15BCFEAF8
• Base-36: 6JYTIZBI0

Squares and roots of 18491374562040

• 18491374562040 squared (18491374562040²) is 341930933193660001808961600
• 18491374562040 cubed (18491374562040³) is 6322772960031843214454852913947177664000
• The square root of 18491374562040 is 4300159.8298249333
• The cube root of 18491374562040 is 26443.7513750251

Scales and comparisons

• 18,491,374,562,040 seconds is equal to 587,968 years, 26 weeks, 4 days, 21 hours, 54 minutes.
• To count from 1 to 18,491,374,562,040 would take you about one million, four hundred sixty-nine thousand, nine hundred twenty-one 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 18491374562040 cubic inches would be around 2203.6 feet tall.

Recreational maths with 18491374562040

• 18491374562040 backwards is 04026547319481
• 18491374562040 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18491374562040's digits is 54
• More coming soon!