15390450845406

Names of 15390450845406

• Cardinal: 15390450845406 can be written as Fifteen trillion, three hundred ninety billion, four hundred fifty million, eight hundred forty-five thousand, four hundred six.

Scientific notation

• Scientific notation: 1.5390450845406 × 10¹³

Factors of 15390450845406

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3131959904

Divisors of 15390450845406

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 91 117 126 182 189 234 273 351 378 546 702 819 1638 2457 4914 3131959879 6263919758 9395879637 18791759274 21923719153 28187638911 40715478427 43847438306 56375277822 65771157459 81430956854 84562916733 122146435281 131542314918 169125833466 197313472377 244292870562 285008348989 366439305843 394626944754 570016697978 591940417131 732878611686 855025046967 1099317917529 1183880834262 1710050093934 2198635835058 2565075140901 5130150281802 7695225422703 15390450845406
• Sum of all divisors σ(n): 42093540787200
• Sum of proper divisors (its aliquot sum) s(n): 26703089941794
• 15390450845406 is an abundant number, because the sum of its proper divisors (26703089941794) is greater than itself. Its abundance is 11312639096388

Bases of 15390450845406

• Binary: 11011111111101011110010110110000011011011110₂
• Hexadecimal: 0xDFF5E5B06DE
• Base-36: 5GE9X2AJI

Squares and roots of 15390450845406

• 15390450845406 squared (15390450845406²) is 236865977224858260111304836
• 15390450845406 cubed (15390450845406³) is 3645474179428238151088553760873976183416
• The square root of 15390450845406 is 3923066.5104489371
• The cube root of 15390450845406 is 24874.2759156077

Scales and comparisons

• 15,390,450,845,406 seconds is equal to 489,368 years, 38 weeks, 2 hours, 50 minutes, 6 seconds.
• To count from 1 to 15,390,450,845,406 would take you about one million, two hundred twenty-three thousand, four 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 15390450845406 cubic inches would be around 2072.9 feet tall.

Recreational maths with 15390450845406

• 15390450845406 backwards is 60454805409351
• 15390450845406 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 15390450845406's digits is 54
• More coming soon!