131138136900

Names of 131138136900

• Cardinal: 131138136900 can be written as One hundred thirty-one billion, one hundred thirty-eight million, one hundred thirty-six thousand, nine hundred.

Scientific notation

• Scientific notation: 1.311381369 × 10¹¹

Factors of 131138136900

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12081

Divisors of 131138136900

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 12071 24142 36213 48284 60355 72426 108639 120710 144852 181065 217278 241420 301775 362130 434556 543195 603550 724260 905325 1086390 1207100 1810650 2172780 2715975 3621300 5431950 10863900 145709041 291418082 437127123 582836164 728545205 874254246 1311381369 1457090410 1748508492 2185635615 2622762738 2914180820 3642726025 4371271230 5245525476 6556906845 7285452050 8742542460 10928178075 13113813690 14570904100 21856356150 26227627380 32784534225 43712712300 65569068450 131138136900
• Sum of all divisors σ(n): 411079259773
• Sum of proper divisors (its aliquot sum) s(n): 279941122873
• 131138136900 is an abundant number, because the sum of its proper divisors (279941122873) is greater than itself. Its abundance is 148802985973

Bases of 131138136900

• Binary: 1111010001000011100010010101101000100₂
• Hexadecimal: 0x1E88712B44
• Base-36: 1O8S9E10

Squares and roots of 131138136900

• 131138136900 squared (131138136900²) is 17197210949603141610000
• 131138136900 cubed (131138136900³) is 2255210203807235785122266409000000
• 131138136900 is a perfect square number. Its square root is 362130
• The cube root of 131138136900 is 5080.5375991391

Scales and comparisons

• 131,138,136,900 seconds is equal to 4,169 years, 40 weeks, 6 days, 12 hours, 15 minutes.
• To count from 1 to 131,138,136,900 would take you about eight thousand, three hundred thirty-nine 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 131138136900 cubic inches would be around 423.4 feet tall.

Recreational maths with 131138136900

• 131138136900 backwards is 009631831131
• 131138136900 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 131138136900's digits is 36
• More coming soon!