64850506721

Names of 64850506721

• Cardinal: 64850506721 can be written as Sixty-four billion, eight hundred fifty million, five hundred six thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 6.4850506721 × 10¹⁰

Factors of 64850506721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1153

Divisors of 64850506721

• Number of divisors d(n): 108
• Complete list of divisors:
  1 7 11 13 49 61 77 91 121 143 169 427 539 637 671 793 847 1001 1061 1183 1573 1859 2989 4697 5551 5929 7007 7381 7427 8281 8723 10309 11011 11671 13013 13793 20449 32879 38857 51667 51989 61061 64721 72163 77077 81697 91091 95953 96551 113399 128381 143143 151723 179309 361669 427427 453047 505141 571879 671671 675857 711931 793793 841373 898667 1002001 1062061 1247389 1255163 1668953 1972399 3171329 4701697 4983517 5556551 5889611 6290669 7434427 7831241 8731723 8786141 9255103 10937849 11682671 13806793 21696389 34884619 41227277 54818687 61122061 64785721 76564943 81778697 96647551 101806133 120316339 151874723 383730809 453500047 535954601 712642931 842214373 1063123061 1323479729 4988500517 5895500611 9264358103 64850506721
• Sum of all divisors σ(n): 91346895612
• Sum of proper divisors (its aliquot sum) s(n): 26496388891
• 64850506721 is a deficient number, because the sum of its proper divisors (26496388891) is less than itself. Its deficiency is 38354117830

Bases of 64850506721

• Binary: 111100011001011001000011001111100001₂
• Hexadecimal: 0xF196433E1
• Base-36: TSIBF8H

Squares and roots of 64850506721

• 64850506721 squared (64850506721²) is 4205588221970466171841
• 64850506721 cubed (64850506721³) is 272734527254654156340477911443361
• The square root of 64850506721 is 254657.6264732709
• The cube root of 64850506721 is 4017.6409746503

Scales and comparisons

• 64,850,506,721 seconds is equal to 2,062 years, 2 weeks, 2 days, 13 hours, 38 minutes, 41 seconds.
• To count from 1 to 64,850,506,721 would take you about four thousand, one hundred twenty-four 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 64850506721 cubic inches would be around 334.8 feet tall.

Recreational maths with 64850506721

• 64850506721 backwards is 12760505846
• The number of decimal digits it has is: 11
• The sum of 64850506721's digits is 44
• More coming soon!