6438394517471

Names of 6438394517471

• Cardinal: 6438394517471 can be written as Six trillion, four hundred thirty-eight billion, three hundred ninety-four million, five hundred seventeen thousand, four hundred seventy-one.

Scientific notation

• Scientific notation: 6.438394517471 × 10¹²

Factors of 6438394517471

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 172

Divisors of 6438394517471

• Number of divisors d(n): 108
• Complete list of divisors:
  1 7 17 47 49 101 119 329 343 707 799 833 1717 2209 2303 2401 4747 4949 5593 5831 10201 12019 15463 16121 16807 33229 34643 37553 39151 40817 71407 80699 84133 108241 112847 173417 223109 232603 242501 262871 274057 285719 479447 499849 564893 588931 757687 789929 1213919 1561763 1628221 1697507 1840097 1918399 3356129 3498943 3792853 3954251 4122517 5303809 8150599 8497433 10932341 11397547 12880679 13428793 22534009 23492903 24492601 26549971 27679757 28857619 37126663 57054193 59482031 76526387 79782829 90164753 157738063 164450321 171448207 185849797 193758299 383078153 399379351 416374217 535684709 631153271 1104166441 1151152247 1300948579 1356308093 2681547071 2795655457 2914619519 3749792963 7729165087 8058065729 9106640053 18770829497 19569588199 54104155609 63746480371 131395806479 136987117393 378729089263 919770645353 6438394517471
• Sum of all divisors σ(n): 8207314246224
• Sum of proper divisors (its aliquot sum) s(n): 1768919728753
• 6438394517471 is a deficient number, because the sum of its proper divisors (1768919728753) is less than itself. Its deficiency is 4669474788718

Bases of 6438394517471

• Binary: 1011101101100001110001101111101011111011111₂
• Hexadecimal: 0x5DB0E37D7DF
• Base-36: 2A5R9V07Z

Squares and roots of 6438394517471

• 6438394517471 squared (6438394517471²) is 41452923962600630924235841
• 6438394517471 cubed (6438394517471³) is 266890278373950142389725578274598878111
• The square root of 6438394517471 is 2537399.1640006111
• The cube root of 6438394517471 is 18603.4087457709

Scales and comparisons

• 6,438,394,517,471 seconds is equal to 204,721 years, 1 week, 4 days, 1 hour, 31 minutes, 11 seconds.
• To count from 1 to 6,438,394,517,471 would take you about five hundred eleven thousand, eight hundred two 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 6438394517471 cubic inches would be around 1550.3 feet tall.

Recreational maths with 6438394517471

• 6438394517471 backwards is 1747154938346
• The number of decimal digits it has is: 13
• The sum of 6438394517471's digits is 62
• More coming soon!