73640509985

Names of 73640509985

• Cardinal: 73640509985 can be written as Seventy-three billion, six hundred forty million, five hundred nine thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 7.3640509985 × 10¹⁰

Factors of 73640509985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6426

Divisors of 73640509985

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 17 19 35 85 95 119 133 323 595 665 1277 1615 2261 5101 6385 8939 11305 21709 24263 25505 35707 44695 86717 96919 108545 121315 151963 169841 178535 412471 433585 484595 607019 678433 759815 849205 1647623 2062355 2887297 3035095 3392165 6513977 8238115 11533361 14436485 32569885 45597839 57666805 110737609 123765563 227989195 553688045 618827815 775163263 866358941 2104014571 3875816315 4331794705 10520072855 14728101997 73640509985
• Sum of all divisors σ(n): 112671751680
• Sum of proper divisors (its aliquot sum) s(n): 39031241695
• 73640509985 is a deficient number, because the sum of its proper divisors (39031241695) is less than itself. Its deficiency is 34609268290

Bases of 73640509985

• Binary: 1000100100101010100010000001000100001₂
• Hexadecimal: 0x1125510221
• Base-36: XTVNP5T

Squares and roots of 73640509985

• 73640509985 squared (73640509985²) is 5422924710850884700225
• 73640509985 cubed (73640509985³) is 399346941317317812613002844246625
• The square root of 73640509985 is 271367.8499472625
• The cube root of 73640509985 is 4191.5269464491

Scales and comparisons

• 73,640,509,985 seconds is equal to 2,341 years, 28 weeks, 17 hours, 13 minutes, 5 seconds.
• To count from 1 to 73,640,509,985 would take you about four thousand, six hundred eighty-three 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 73640509985 cubic inches would be around 349.3 feet tall.

Recreational maths with 73640509985

• 73640509985 backwards is 58990504637
• The number of decimal digits it has is: 11
• The sum of 73640509985's digits is 56
• More coming soon!