18018393895905514308

Names of 18018393895905514308

• Cardinal: 18018393895905514308 can be written as Eighteen quintillion, eighteen quadrillion, three hundred ninety-three trillion, eight hundred ninety-five billion, nine hundred five million, five hundred fourteen thousand, three hundred eight.

Scientific notation

• Scientific notation: 1.8018393895905514308 × 10¹⁹

Factors of 18018393895905514308

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4931941

Divisors of 18018393895905514308

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 108 114 171 228 342 361 513 684 722 1026 1083 1444 2052 2166 3249 4332 6498 6859 9747 12996 13718 19494 20577 27436 38988 41154 61731 82308 123462 185193 246924 370386 740772 4931917 9863834 14795751 19727668 29591502 44387253 59183004 88774506 93706423 133161759 177549012 187412846 266323518 281119269 374825692 532647036 562238538 843357807 1124477076 1686715614 1780422037 2530073421 3373431228 3560844074 5060146842 5341266111 7121688148 10120293684 10682532222 16023798333 21365064444 32047596666 33828018703 48071394999 64095193332 67656037406 96142789998 101484056109 135312074812 192285579996 202968112218 304452168327 405936224436 608904336654 913356504981 1217808673308 1826713009962 3653426019924 24323805294889 48647610589778 72971415884667 97295221179556 145942831769334 218914247654001 291885663538668 437828495308002 462152300602891 656742742962003 875656990616004 924304601205782 1313485485924006 1386456901808673 1848609202411564 2626970971848012 2772913803617346 4159370705426019 5545827607234692 8318741410852038 8780893711454929 12478112116278057 16637482821704076 17561787422909858 24956224232556114 26342681134364787 35123574845819716 49912448465112228 52685362268729574 79028043403094361 105370724537459148 158056086806188722 166836980517643651 237084130209283083 316112173612377444 333673961035287302 474168260418566166 500510941552930953 667347922070574604 948336520837132332 1001021883105861906 1501532824658792859 2002043766211723812 3003065649317585718 4504598473976378577 6006131298635171436 9009196947952757154 18018393895905514308
• Sum of all divisors σ(n): 49309228091783150400
• Sum of proper divisors (its aliquot sum) s(n): 31290834195877636092
• 18018393895905514308 is an abundant number, because the sum of its proper divisors (31290834195877636092) is greater than itself. Its abundance is 13272440299972121784

Bases of 18018393895905514308

• Binary: 1111101000001110001100011100100001100100100000111101001101000100₂
• Hexadecimal: 0xFA0E31C86483D344
• Base-36: 3SW8BKB3245L0

Squares and roots of 18018393895905514308

• 18018393895905514308 squared (18018393895905514308²) is 324662518588005097984024655481992718864
• 18018393895905514308 cubed (18018393895905514308³) is 5849897143155421633596981233267692168977263978563173506112
• The square root of 18018393895905514308 is 4244807875.0286819439
• The cube root of 18018393895905514308 is 2621633.7874225647

Scales and comparisons

• 18,018,393,895,905,514,308 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,018,393,895,905,514,308 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18018393895905514308 cubic inches would be around 218469.5 feet tall.

Recreational maths with 18018393895905514308

• 18018393895905514308 backwards is 80341550959839381081
• The number of decimal digits it has is: 20
• The sum of 18018393895905514308's digits is 90
• More coming soon!