16440663960391

Names of 16440663960391

• Cardinal: 16440663960391 can be written as Sixteen trillion, four hundred forty billion, six hundred sixty-three million, nine hundred sixty thousand, three hundred ninety-one.

Scientific notation

• Scientific notation: 1.6440663960391 × 10¹³

Factors of 16440663960391

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 7805

Divisors of 16440663960391

• Number of divisors d(n): 48
• Complete list of divisors:
  1 11 17 121 187 631 2057 3257 3889 6941 10727 35827 42779 55369 66113 76351 117997 394097 470569 609059 727243 1297967 2055167 2453959 6699649 7999673 12666473 22606837 26993549 34937839 41717303 139331203 215330041 248675207 296929039 384316229 458890333 1532643233 2368630451 4227478519 5047793663 7992544463 26054934961 87917989093 135873255871 967097880023 1494605814581 16440663960391
• Sum of all divisors σ(n): 19175288448960
• Sum of proper divisors (its aliquot sum) s(n): 2734624488569
• 16440663960391 is a deficient number, because the sum of its proper divisors (2734624488569) is less than itself. Its deficiency is 13706039471822

Bases of 16440663960391

• Binary: 11101111001111100011111011110110101101000111₂
• Hexadecimal: 0xEF3E3EF6B47
• Base-36: 5TSQIU4AV

Squares and roots of 16440663960391

• 16440663960391 squared (16440663960391²) is 270295431458499480816872881
• 16440663960391 cubed (16440663960391³) is 4443836358638088163644946631557466056471
• The square root of 16440663960391 is 4054708.8625930963
• The cube root of 16440663960391 is 25427.6632291979

Scales and comparisons

• 16,440,663,960,391 seconds is equal to 522,762 years, 13 weeks, 3 days, 12 hours, 6 minutes, 31 seconds.
• To count from 1 to 16,440,663,960,391 would take you about one million, three hundred six thousand, nine hundred five 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 16440663960391 cubic inches would be around 2119 feet tall.

Recreational maths with 16440663960391

• 16440663960391 backwards is 19306936604461
• The number of decimal digits it has is: 14
• The sum of 16440663960391's digits is 58
• More coming soon!