6440351749461

Names of 6440351749461

• Cardinal: 6440351749461 can be written as Six trillion, four hundred forty billion, three hundred fifty-one million, seven hundred forty-nine thousand, four hundred sixty-one.

Scientific notation

• Scientific notation: 6.440351749461 × 10¹²

Factors of 6440351749461

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1588953

Divisors of 6440351749461

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 29 49 63 87 147 203 261 317 441 609 951 1421 1827 2219 2853 4263 6657 9193 12789 15533 19971 27579 46599 64351 82737 139797 193053 450457 579159 1351371 1588597 4054113 4765791 11120179 14297373 33360537 46069313 77841253 100081611 138207939 233523759 322485191 414623817 503585249 700571277 967455573 1510755747 2257396337 2902366719 3525096743 4532267241 6772189011 10575290229 14603972221 20316567033 24675677201 31725870687 43811916663 74027031603 102227805547 131435749989 222081094809 306683416641 715594638829 920050249923 2146783916487 6440351749461
• Sum of all divisors σ(n): 11230021665720
• Sum of proper divisors (its aliquot sum) s(n): 4789669916259
• 6440351749461 is a deficient number, because the sum of its proper divisors (4789669916259) is less than itself. Its deficiency is 1650681833202

Bases of 6440351749461

• Binary: 1011101101110000010111000001101010101010101₂
• Hexadecimal: 0x5DB82E0D555
• Base-36: 2A6NN5A39

Squares and roots of 6440351749461

• 6440351749461 squared (6440351749461²) is 41478130656785363313790521
• 6440351749461 cubed (6440351749461³) is 267133751339799551568349270229628659181
• The square root of 6440351749461 is 2537784.8114962387
• The cube root of 6440351749461 is 18605.2936617311

Scales and comparisons

• 6,440,351,749,461 seconds is equal to 204,783 years, 13 weeks, 5 days, 5 hours, 4 minutes, 21 seconds.
• To count from 1 to 6,440,351,749,461 would take you about five hundred eleven thousand, nine hundred fifty-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 6440351749461 cubic inches would be around 1550.4 feet tall.

Recreational maths with 6440351749461

• 6440351749461 backwards is 1649471530446
• The number of decimal digits it has is: 13
• The sum of 6440351749461's digits is 54
• More coming soon!