1388261985672016

Names of 1388261985672016

• Cardinal: 1388261985672016 can be written as One quadrillion, three hundred eighty-eight trillion, two hundred sixty-one billion, nine hundred eighty-five million, six hundred seventy-two thousand and sixteen.

Scientific notation

• Scientific notation: 1.388261985672016 × 10¹⁵

Factors of 1388261985672016

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 953476638533

Divisors of 1388261985672016

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 953476638511 1906953277022 3813906554044 6674336469577 7627813108088 12395196300643 13348672939154 15255626216176 24790392601286 26697345878308 49580785202572 53394691756616 86766374104501 99161570405144 106789383513232 173532748209002 198323140810288 347065496418004 694130992836008 1388261985672016
• Sum of all divisors σ(n): 3310470888913664
• Sum of proper divisors (its aliquot sum) s(n): 1922208903241648
• 1388261985672016 is an abundant number, because the sum of its proper divisors (1922208903241648) is greater than itself. Its abundance is 533946917569632

Bases of 1388261985672016

• Binary: 100111011101001110111101110100000101101101101010000₂
• Hexadecimal: 0x4EE9DEE82DB50
• Base-36: DO3IR2EN9S

Squares and roots of 1388261985672016

• 1388261985672016 squared (1388261985672016²) is 1927271340862008757675125504256
• 1388261985672016 cubed (1388261985672016³) is 2675557538593861066418177394960367649028100096
• The square root of 1388261985672016 is 37259387.8864376407
• The cube root of 1388261985672016 is 111555.3690339135

Scales and comparisons

• 1,388,261,985,672,016 seconds is equal to 44,142,436 years, 50 weeks, 2 days, 9 hours, 20 minutes, 16 seconds.
• To count from 1 to 1,388,261,985,672,016 would take you about one hundred thirty-two million, four hundred twenty-seven thousand, three hundred ten 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 1388261985672016 cubic inches would be around 9296.3 feet tall.

Recreational maths with 1388261985672016

• 1388261985672016 backwards is 6102765891628831
• The number of decimal digits it has is: 16
• The sum of 1388261985672016's digits is 73
• More coming soon!