27978506429447

Names of 27978506429447

• Cardinal: 27978506429447 can be written as Twenty-seven trillion, nine hundred seventy-eight billion, five hundred six million, four hundred twenty-nine thousand, four hundred forty-seven.

Scientific notation

• Scientific notation: 2.7978506429447 × 10¹³

Factors of 27978506429447

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1069143

Divisors of 27978506429447

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 61 83 427 581 739 5063 5173 35441 45079 61337 315553 429359 1068253 3741557 7477771 26190899 65163433 88664999 456144031 620654993 789438967 5408564939 5526072769 37859954573 48155776987 65523434261 337090438909 458664039827 3996929489921 27978506429447
• Sum of all divisors σ(n): 32935723645440
• Sum of proper divisors (its aliquot sum) s(n): 4957217215993
• 27978506429447 is a deficient number, because the sum of its proper divisors (4957217215993) is less than itself. Its deficiency is 23021289213454

Bases of 27978506429447

• Binary: 110010111001001000000111011111110010000000111₂
• Hexadecimal: 0x197240EFE407
• Base-36: 9X15CCEFB

Squares and roots of 27978506429447

• 27978506429447 squared (27978506429447²) is 782796822022607116788725809
• 27978506429447 cubed (27978506429447³) is 21901485917910192179858624263029286497623
• The square root of 27978506429447 is 5289471.2807091599
• The cube root of 27978506429447 is 30358.1178322427

Scales and comparisons

• 27,978,506,429,447 seconds is equal to 889,629 years, 49 weeks, 6 days, 21 hours, 30 minutes, 47 seconds.
• To count from 1 to 27,978,506,429,447 would take you about two million, two hundred twenty-four thousand and seventy-four 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 27978506429447 cubic inches would be around 2529.8 feet tall.

Recreational maths with 27978506429447

• 27978506429447 backwards is 74492460587972
• The number of decimal digits it has is: 14
• The sum of 27978506429447's digits is 74
• More coming soon!