15388520113940

Names of 15388520113940

• Cardinal: 15388520113940 can be written as Fifteen trillion, three hundred eighty-eight billion, five hundred twenty million, one hundred thirteen thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.538852011394 × 10¹³

Factors of 15388520113940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 40805

Divisors of 15388520113940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 19 20 38 61 76 95 122 190 244 305 361 380 610 722 877 1159 1220 1444 1754 1805 2318 3508 3610 4385 4636 5795 7220 8770 11590 16663 17540 22021 23180 33326 39841 44042 53497 66652 79682 83315 88084 106994 110105 159364 166630 199205 213988 220210 267485 316597 333260 398410 440420 534970 633194 756979 796820 1016443 1069940 1266388 1513958 1582985 2032886 2430301 3027916 3165970 3784895 4065772 4860602 5082215 6331940 7569790 9721204 10164430 12151505 14382601 15139580 19312417 20328860 24303010 28765202 34940557 38624834 46175719 48606020 57530404 69881114 71913005 77249668 92351438 96562085 139762228 143826010 174702785 184702876 193124170 230878595 287652020 349405570 386248340 461757190 663870583 698811140 877338661 923514380 1327741166 1754677322 2131373977 2655482332 3319352915 3509354644 4262747954 4386693305 6638705830 8525495908 8773386610 10656869885 12613541077 13277411660 17546773220 21313739770 25227082154 40496105563 42627479540 50454164308 63067705385 80992211126 126135410770 161984422252 202480527815 252270821540 404961055630 769426005697 809922111260 1538852011394 3077704022788 3847130028485 7694260056970 15388520113940
• Sum of all divisors σ(n): 34705763470224
• Sum of proper divisors (its aliquot sum) s(n): 19317243356284
• 15388520113940 is an abundant number, because the sum of its proper divisors (19317243356284) is greater than itself. Its abundance is 3928723242344

Bases of 15388520113940

• Binary: 11011111111011101011010001100110011100010100₂
• Hexadecimal: 0xDFEEB466714
• Base-36: 5GDDZK0LW

Squares and roots of 15388520113940

• 15388520113940 squared (15388520113940²) is 236806551297135950582323600
• 15388520113940 cubed (15388520113940³) is 3644102377748740973050768574421950984000
• The square root of 15388520113940 is 3922820.4284596051
• The cube root of 15388520113940 is 24873.2357131235

Scales and comparisons

• 15,388,520,113,940 seconds is equal to 489,307 years, 17 weeks, 4 days, 16 hours, 32 minutes, 20 seconds.
• To count from 1 to 15,388,520,113,940 would take you about one million, two hundred twenty-three thousand, two hundred sixty-eight 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 15388520113940 cubic inches would be around 2072.8 feet tall.

Recreational maths with 15388520113940

• 15388520113940 backwards is 04931102588351
• The number of decimal digits it has is: 14
• The sum of 15388520113940's digits is 50
• More coming soon!