18117376485840

Names of 18117376485840

• Cardinal: 18117376485840 can be written as Eighteen trillion, one hundred seventeen billion, three hundred seventy-six million, four hundred eighty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.811737648584 × 10¹³

Factors of 18117376485840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 21673630

Divisors of 18117376485840

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 43 45 48 54 60 72 80 81 86 90 108 120 129 135 144 162 172 180 215 216 240 243 258 270 324 344 360 387 405 430 432 486 516 540 645 648 688 720 774 810 860 972 1032 1080 1161 1215 1290 1296 1548 1620 1720 1935 1944 2064 2160 2322 2430 2580 3096 3240 3440 3483 3870 3888 4644 4860 5160 5805 6192 6480 6966 7740 9288 9720 10320 10449 11610 13932 15480 17415 18576 19440 20898 23220 27864 30960 34830 41796 46440 52245 55728 69660 83592 92880 104490 139320 167184 208980 278640 417960 835920 21673577 43347154 65020731 86694308 108367885 130041462 173388616 195062193 216735770 260082924 325103655 346777232 390124386 433471540 520165848 585186579 650207310 780248772 866943080 931963811 975310965 1040331696 1170373158 1300414620 1560497544 1733886160 1755559737 1863927622 1950621930 2340746316 2600829240 2795891433 2925932895 3120995088 3511119474 3727855244 3901243860 4659819055 4681492632 5201658480 5266679211 5591782866 5851865790 7022238948 7455710488 7802487720 8387674299 8777798685 9319638110 9362985264 10533358422 11183565732 11703731580 13979457165 14044477896 14911420976 15604975440 16775348598 17555597370 18639276220 21066716844 22367131464 23407463160 25163022897 26333396055 27958914330 28088955792 33550697196 35111194740 37278552440 41938371495 42133433688 44734262928 46814926320 50326045794 52666792110 55917828660 67101394392 70222389480 74557104880 75489068691 83876742990 84266867376 100652091588 105333584220 111835657320 125815114485 134202788784 140444778960 150978137382 167753485980 201304183176 210667168440 223671314640 226467206073 251630228970 301956274764 335506971960 377445343455 402608366352 421334336880 452934412146 503260457940 603912549528 671013943920 754890686910 905868824292 1006520915880 1132336030365 1207825099056 1509781373820 1811737648584 2013041831760 2264672060730 3019562747640 3623475297168 4529344121460 6039125495280 9058688242920 18117376485840
• Sum of all divisors σ(n): 64565068696128
• Sum of proper divisors (its aliquot sum) s(n): 46447692210288
• 18117376485840 is an abundant number, because the sum of its proper divisors (46447692210288) is greater than itself. Its abundance is 28330315724448

Bases of 18117376485840

• Binary: 100000111101001000111110010100010100111010000₂
• Hexadecimal: 0x107A47CA29D0
• Base-36: 6F70A6L00

Squares and roots of 18117376485840

• 18117376485840 squared (18117376485840²) is 328239330729668147720505600
• 18117376485840 cubed (18117376485840³) is 5946835532289548629177915753836040704000
• The square root of 18117376485840 is 4256451.1609837601
• The cube root of 18117376485840 is 26264.2560136761

Scales and comparisons

• 18,117,376,485,840 seconds is equal to 576,076 years, 27 weeks, 4 days, 11 hours, 24 minutes.
• To count from 1 to 18,117,376,485,840 would take you about one million, four hundred forty thousand, one hundred ninety-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 18117376485840 cubic inches would be around 2188.7 feet tall.

Recreational maths with 18117376485840

• 18117376485840 backwards is 04858467371181
• The number of decimal digits it has is: 14
• The sum of 18117376485840's digits is 63
• More coming soon!