1388409515228

Names of 1388409515228

• Cardinal: 1388409515228 can be written as One trillion, three hundred eighty-eight billion, four hundred nine million, five hundred fifteen thousand, two hundred twenty-eight.

Scientific notation

• Scientific notation: 1.388409515228 × 10¹²

Factors of 1388409515228

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 12388

Divisors of 1388409515228

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 19 38 76 769 1538 2657 3076 5314 8941 10628 14611 17882 29222 35764 50483 58444 100966 169879 201932 339758 679516 2043233 4086466 6875629 8172932 13751258 23756237 27502516 38821427 47512474 77642854 95024948 130636951 155285708 261273902 451368503 522547804 902737006 1805474012 18268546253 36537092506 73074185012 347102378807 694204757614 1388409515228
• Sum of all divisors σ(n): 2562172720800
• Sum of proper divisors (its aliquot sum) s(n): 1173763205572
• 1388409515228 is a deficient number, because the sum of its proper divisors (1173763205572) is less than itself. Its deficiency is 214646309656

Bases of 1388409515228

• Binary: 10100001101000011101001111110110011011100₂
• Hexadecimal: 0x14343A7ECDC
• Base-36: HPTR6EAK

Squares and roots of 1388409515228

• 1388409515228 squared (1388409515228²) is 1927680981975649963891984
• 1388409515228 cubed (1388409515228³) is 2676410617699047172067485209595132352
• The square root of 1388409515228 is 1178307.9034055573
• The cube root of 1388409515228 is 11155.9320528969

Scales and comparisons

• 1,388,409,515,228 seconds is equal to 44,147 years, 6 weeks, 4 days, 13 hours, 47 minutes, 8 seconds.
• To count from 1 to 1,388,409,515,228 would take you about one hundred ten thousand, three hundred sixty-seven 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 1388409515228 cubic inches would be around 929.7 feet tall.

Recreational maths with 1388409515228

• 1388409515228 backwards is 8225159048831
• The number of decimal digits it has is: 13
• The sum of 1388409515228's digits is 56
• More coming soon!