61656642018990

Names of 61656642018990

• Cardinal: 61656642018990 can be written as Sixty-one trillion, six hundred fifty-six billion, six hundred forty-two million, eighteen thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.165664201899 × 10¹³

Factors of 61656642018990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 26797798

Divisors of 61656642018990

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 90 25589 51178 76767 127945 153534 230301 255890 383835 460602 767670 1151505 2303010 26772199 53544398 80316597 133860995 160633194 240949791 267721990 401582985 481899582 803165970 1204748955 2409497910 685073800211 1370147600422 2055221400633 3425369001055 4110442801266 6165664201899 6850738002110 10276107003165 12331328403798 20552214006330 30828321009495 61656642018990
• Sum of all divisors σ(n): 160313539932000
• Sum of proper divisors (its aliquot sum) s(n): 98656897913010
• 61656642018990 is an abundant number, because the sum of its proper divisors (98656897913010) is greater than itself. Its abundance is 37000255894020

Bases of 61656642018990

• Binary: 1110000001001110001110001111101101111010101110₂
• Hexadecimal: 0x38138E3EDEAE
• Base-36: LUSO4QB3I

Squares and roots of 61656642018990

• 61656642018990 squared (61656642018990²) is 3801541505057883263520620100
• 61656642018990 cubed (61656642018990³) is 234390283697686370837731736297960775699000
• The square root of 61656642018990 is 7852174.3497575245
• The cube root of 61656642018990 is 39505.7177043817

Scales and comparisons

• 61,656,642,018,990 seconds is equal to 1,960,490 years, 25 weeks, 6 days, 21 hours, 16 minutes, 30 seconds.
• To count from 1 to 61,656,642,018,990 would take you about four million, nine hundred one thousand, two hundred twenty-six 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 61656642018990 cubic inches would be around 3292.1 feet tall.

Recreational maths with 61656642018990

• 61656642018990 backwards is 09981024665616
• The number of decimal digits it has is: 14
• The sum of 61656642018990's digits is 63
• More coming soon!