6478438656

Names of 6478438656

• Cardinal: 6478438656 can be written as Six billion, four hundred seventy-eight million, four hundred thirty-eight thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 6.478438656 × 10⁹

Factors of 6478438656

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 655

Divisors of 6478438656

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 127 128 192 254 256 381 384 508 523 762 768 1016 1046 1524 1569 2032 2092 3048 3138 4064 4184 6096 6276 8128 8368 12192 12552 16129 16256 16736 24384 25104 32258 32512 33472 48387 48768 50208 64516 66421 66944 96774 97536 100416 129032 132842 133888 193548 199263 200832 258064 265684 387096 398526 401664 516128 531368 774192 797052 1032256 1062736 1548384 1594104 2064512 2125472 3096768 3188208 4129024 4250944 6193536 6376416 8435467 8501888 12387072 12752832 16870934 17003776 25306401 25505664 33741868 50612802 51011328 67483736 101225604 134967472 202451208 269934944 404902416 539869888 809804832 1079739776 1619609664 2159479552 3239219328 6478438656
• Sum of all divisors σ(n): 17412157392
• Sum of proper divisors (its aliquot sum) s(n): 10933718736
• 6478438656 is an abundant number, because the sum of its proper divisors (10933718736) is greater than itself. Its abundance is 4455280080

Bases of 6478438656

• Binary: 110000010001001010010000100000000₂
• Hexadecimal: 0x182252100
• Base-36: 2Z53F9C

Squares and roots of 6478438656

• 6478438656 squared (6478438656²) is 41970167419555086336
• 6478438656 cubed (6478438656³) is 271901155009637441640559804416
• The square root of 6478438656 is 80488.7486298549
• The cube root of 6478438656 is 1864.1897551609

Scales and comparisons

• 6,478,438,656 seconds is equal to 205 years, 51 weeks, 4 days, 22 hours, 17 minutes, 36 seconds.
• To count from 1 to 6,478,438,656 would take you about four hundred eleven 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 6478438656 cubic inches would be around 155.3 feet tall.

Recreational maths with 6478438656

• 6478438656 backwards is 6568348746
• The number of decimal digits it has is: 10
• The sum of 6478438656's digits is 57
• More coming soon!