67844561421

Names of 67844561421

• Cardinal: 67844561421 can be written as Sixty-seven billion, eight hundred forty-four million, five hundred sixty-one thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 6.7844561421 × 10¹⁰

Factors of 67844561421

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1741

Divisors of 67844561421

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 13 21 39 91 109 169 273 327 507 763 1183 1417 1609 2289 3549 4251 4827 9919 11263 11881 18421 20917 29757 33789 35643 55263 62751 83167 128947 146419 154453 175381 249501 271921 386841 439257 463359 526143 815763 1081171 1227667 1903447 2007889 2279953 3243513 3683001 5710341 6023667 6839859 14055223 15959671 19116529 29639389 42165669 47879013 57349587 88918167 133815703 207475723 248514877 401447109 622427169 745544631 1739604139 3230693401 5218812417 9692080203 22614853807 67844561421
• Sum of all divisors σ(n): 113053066560
• Sum of proper divisors (its aliquot sum) s(n): 45208505139
• 67844561421 is a deficient number, because the sum of its proper divisors (45208505139) is less than itself. Its deficiency is 22636056282

Bases of 67844561421

• Binary: 111111001011110110011101101000001101₂
• Hexadecimal: 0xFCBD9DA0D
• Base-36: V60WEML

Squares and roots of 67844561421

• 67844561421 squared (67844561421²) is 4602884514407841539241
• 67844561421 cubed (67844561421³) is 312280681151512564753071206221461
• The square root of 67844561421 is 260469.8858236781
• The cube root of 67844561421 is 4078.5426965109

Scales and comparisons

• 67,844,561,421 seconds is equal to 2,157 years, 12 weeks, 5 days, 23 hours, 30 minutes, 21 seconds.
• To count from 1 to 67,844,561,421 would take you about four thousand, three hundred fourteen 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 67844561421 cubic inches would be around 339.9 feet tall.

Recreational maths with 67844561421

• 67844561421 backwards is 12416544876
• The number of decimal digits it has is: 11
• The sum of 67844561421's digits is 48
• More coming soon!