18345838424495040

Names of 18345838424495040

• Cardinal: 18345838424495040 can be written as Eighteen quadrillion, three hundred forty-five trillion, eight hundred thirty-eight billion, four hundred twenty-four million, four hundred ninety-five thousand and forty.

Scientific notation

• Scientific notation: 1.834583842449504 × 10¹⁶

Factors of 18345838424495040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 68495513872

Divisors of 18345838424495040

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 32 36 40 45 48 54 60 62 64 72 80 90 93 96 108 120 124 135 144 155 160 180 186 192 216 240 248 270 279 288 310 320 360 372 432 465 480 496 540 558 576 620 720 744 837 864 930 960 992 1080 1116 1240 1395 1440 1488 1674 1728 1860 1984 2160 2232 2480 2790 2880 2976 3348 3720 4185 4320 4464 4960 5580 5952 6696 7440 8370 8640 8928 9920 11160 13392 14880 16740 17856 22320 26784 29760 33480 44640 53568 66960 89280 133920 267840 68495513831 136991027662 205486541493 273982055324 342477569155 410973082986 547964110648 616459624479 684955138310 821946165972 1027432707465 1095928221296 1232919248958 1369910276620 1643892331944 1849378873437 2054865414930 2123360928761 2191856442592 2465838497916 2739820553240 3082298122395 3287784663888 3698757746874 4109730829860 4246721857522 4383712885184 4931676995832 5479641106480 6164596244790 6370082786283 6575569327776 7397515493748 8219461659720 8493443715044 9246894367185 9863353991664 10616804643805 10959282212960 12329192489580 12740165572566 13151138655552 14795030987496 16438923319440 16986887430088 18493788734370 19110248358849 19726707983328 21233609287610 21918564425920 24658384979160 25480331145132 29590061974992 31850413931415 32877846638880 33973774860176 36987577468740 38220496717698 39453415966656 42467218575220 49316769958320 50960662290264 57330745076547 59180123949984 63700827862830 65755693277760 67947549720352 73975154937480 76440993435396 84934437150440 95551241794245 98633539916640 101921324580528 114661490153094 118360247899968 127401655725660 135895099440704 147950309874960 152881986870792 169868874300880 191102483588490 197267079833280 203842649161056 229322980306188 254803311451320 286653725382735 295900619749920 305763973741584 339737748601760 382204967176980 407685298322112 458645960612376 509606622902640 573307450765470 591801239499840 611527947483168 679475497203520 764409934353960 917291921224752 1019213245805280 1146614901530940 1223055894966336 1528819868707920 1834583842449504 2038426491610560 2293229803061880 3057639737415840 3669167684899008 4586459606123760 6115279474831680 9172919212247520 18345838424495040
• Sum of all divisors σ(n): 66807784371179520
• Sum of proper divisors (its aliquot sum) s(n): 48461945946684480
• 18345838424495040 is an abundant number, because the sum of its proper divisors (48461945946684480) is greater than itself. Its abundance is 30116107522189440

Bases of 18345838424495040

• Binary: 1000001001011010111000101011110011001100001001111000000₂
• Hexadecimal: 0x412D715E6613C0
• Base-36: 50N21TMFLC0

Squares and roots of 18345838424495040

• 18345838424495040 squared (18345838424495040²) is 336569787497678651483078984601600
• 18345838424495040 cubed (18345838424495040³) is 6174654939999043322785625861161121032415576064000
• The square root of 18345838424495040 is 135446810.3149536705
• The cube root of 18345838424495040 is 263741.9349575737

Scales and comparisons

• 18,345,838,424,495,040 seconds is equal to 583,340,914 years, 25 weeks, 5 days, 2 hours, 24 minutes.
• To count from 1 to 18,345,838,424,495,040 would take you about one billion, seven hundred fifty million, twenty-two thousand, seven hundred forty-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 18345838424495040 cubic inches would be around 21978.5 feet tall.

Recreational maths with 18345838424495040

• 18345838424495040 backwards is 04059442483854381
• 18345838424495040 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18345838424495040's digits is 72
• More coming soon!