76875640821

Names of 76875640821

• Cardinal: 76875640821 can be written as Seventy-six billion, eight hundred seventy-five million, six hundred forty thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 7.6875640821 × 10¹⁰

Factors of 76875640821

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6093

Divisors of 76875640821

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 19 21 49 57 63 133 147 171 399 441 931 1197 2793 2897 3167 8379 8691 9501 20279 22169 26073 28503 55043 60173 60837 66507 141953 155183 165129 180519 182511 199521 385301 421211 425859 465549 495387 541557 1155903 1263633 1277577 1396647 2697107 2948477 3467709 3790899 8091321 8845431 9174799 24273963 26536293 27524397 64223593 82573191 174321181 192670779 449565151 522963543 578012337 1220248267 1348695453 1568890629 3660744801 4046086359 8541737869 10982234403 25625213607 76875640821
• Sum of all divisors σ(n): 136060404480
• Sum of proper divisors (its aliquot sum) s(n): 59184763659
• 76875640821 is a deficient number, because the sum of its proper divisors (59184763659) is less than itself. Its deficiency is 17690877162

Bases of 76875640821

• Binary: 1000111100110001001010010111111110101₂
• Hexadecimal: 0x11E6252FF5
• Base-36: ZBDRS39

Squares and roots of 76875640821

• 76875640821 squared (76875640821²) is 5909864151639401554041
• 76875640821 cubed (76875640821³) is 454324593822334512179845137107661
• The square root of 76875640821 is 277264.5682755011
• The cube root of 76875640821 is 4252.0293113137

Scales and comparisons

• 76,875,640,821 seconds is equal to 2,444 years, 21 weeks, 1 day, 8 hours, 40 minutes, 21 seconds.
• To count from 1 to 76,875,640,821 would take you about four thousand, eight hundred eighty-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 76875640821 cubic inches would be around 354.3 feet tall.

Recreational maths with 76875640821

• 76875640821 backwards is 12804657867
• The number of decimal digits it has is: 11
• The sum of 76875640821's digits is 54
• More coming soon!