808421949790

Names of 808421949790

• Cardinal: 808421949790 can be written as Eight hundred eight billion, four hundred twenty-one million, nine hundred forty-nine thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 8.0842194979 × 10¹¹

Factors of 808421949790

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 151057

Divisors of 808421949790

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 6131 12262 30655 42917 61310 79703 85834 144899 159406 214585 289798 398515 429170 557921 724495 797030 1014293 1115842 1448990 1883687 2028586 2789605 3767374 5071465 5579210 9418435 10142930 13185809 18836870 26371618 65929045 131858090 888375769 1776751538 4441878845 6218630383 8883757690 11548884997 12437260766 23097769994 31093151915 57744424985 62186303830 80842194979 115488849970 161684389958 404210974895 808421949790
• Sum of all divisors σ(n): 1791270028800
• Sum of proper divisors (its aliquot sum) s(n): 982848079010
• 808421949790 is an abundant number, because the sum of its proper divisors (982848079010) is greater than itself. Its abundance is 174426129220

Bases of 808421949790

• Binary: 1011110000111001101101000000000101011110₂
• Hexadecimal: 0xBC39B4015E
• Base-36: ABDTK0NY

Squares and roots of 808421949790

• 808421949790 squared (808421949790²) is 653546048902265281044100
• 808421949790 cubed (808421949790³) is 528340971131119987649493648975739000
• The square root of 808421949790 is 899122.8780261349
• The cube root of 808421949790 is 9315.6400405483

Scales and comparisons

• 808,421,949,790 seconds is equal to 25,705 years, 16 weeks, 3 days, 12 hours, 43 minutes, 10 seconds.
• To count from 1 to 808,421,949,790 would take you about fifty-one thousand, four hundred ten 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 808421949790 cubic inches would be around 776.3 feet tall.

Recreational maths with 808421949790

• 808421949790 backwards is 097949124808
• The number of decimal digits it has is: 12
• The sum of 808421949790's digits is 61
• More coming soon!