61981849120

Names of 61981849120

• Cardinal: 61981849120 can be written as Sixty-one billion, nine hundred eighty-one million, eight hundred forty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 6.198184912 × 10¹⁰

Factors of 61981849120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 145509

Divisors of 61981849120

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 80 160 2713 5426 10852 13565 21704 27130 43408 54260 86816 108520 142789 217040 285578 434080 571156 713945 1142312 1427890 2284624 2855780 4569248 5711560 11423120 22846240 387386557 774773114 1549546228 1936932785 3099092456 3873865570 6198184912 7747731140 12396369824 15495462280 30990924560 61981849120
• Sum of all divisors σ(n): 146487118680
• Sum of proper divisors (its aliquot sum) s(n): 84505269560
• 61981849120 is an abundant number, because the sum of its proper divisors (84505269560) is greater than itself. Its abundance is 22523420440

Bases of 61981849120

• Binary: 111001101110011001111111011000100000₂
• Hexadecimal: 0xE6E67F620
• Base-36: SH2E4V4

Squares and roots of 61981849120

• 61981849120 squared (61981849120²) is 3841749620334444774400
• 61981849120 cubed (61981849120³) is 238118745324386839945833238528000
• The square root of 61981849120 is 248961.5414476701
• The cube root of 61981849120 is 3957.5053396413

Scales and comparisons

• 61,981,849,120 seconds is equal to 1,970 years, 43 weeks, 1 day, 12 hours, 18 minutes, 40 seconds.
• To count from 1 to 61,981,849,120 would take you about three thousand, nine hundred forty-one 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 61981849120 cubic inches would be around 329.8 feet tall.

Recreational maths with 61981849120

• 61981849120 backwards is 02194818916
• The number of decimal digits it has is: 11
• The sum of 61981849120's digits is 49
• More coming soon!