138977789610

Names of 138977789610

• Cardinal: 138977789610 can be written as One hundred thirty-eight billion, nine hundred seventy-seven million, seven hundred eighty-nine thousand, six hundred ten.

Scientific notation

• Scientific notation: 1.3897778961 × 10¹¹

Factors of 138977789610

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1996179

Divisors of 138977789610

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 211 330 422 633 1055 1266 2110 2321 3165 4642 6330 6963 11605 13926 23210 34815 69630 1995947 3991894 5987841 9979735 11975682 19959470 21955417 29939205 43910834 59878410 65866251 109777085 131732502 219554170 329331255 421144817 658662510 842289634 1263434451 2105724085 2526868902 4211448170 4632592987 6317172255 9265185974 12634344510 13897778961 23162964935 27795557922 46325929870 69488894805 138977789610
• Sum of all divisors σ(n): 365593803264
• Sum of proper divisors (its aliquot sum) s(n): 226616013654
• 138977789610 is an abundant number, because the sum of its proper divisors (226616013654) is greater than itself. Its abundance is 87638224044

Bases of 138977789610

• Binary: 10000001011011101110001100011010101010₂
• Hexadecimal: 0x205BB8C6AA
• Base-36: 1RUFSCRU

Squares and roots of 138977789610

• 138977789610 squared (138977789610²) is 19314826004881423952100
• 138977789610 cubed (138977789610³) is 2684331824860167371012168517681000
• The square root of 138977789610 is 372797.2500032691
• The cube root of 138977789610 is 5179.8255484299

Scales and comparisons

• 138,977,789,610 seconds is equal to 4,419 years, 3 weeks, 2 days, 5 hours, 33 minutes, 30 seconds.
• To count from 1 to 138,977,789,610 would take you about eight thousand, eight hundred thirty-eight 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 138977789610 cubic inches would be around 431.7 feet tall.

Recreational maths with 138977789610

• 138977789610 backwards is 016987779831
• 138977789610 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138977789610's digits is 66
• More coming soon!