155455081

Names of 155455081

• Cardinal: 155455081 can be written as One hundred fifty-five million, four hundred fifty-five thousand and eighty-one.

Scientific notation

• Scientific notation: 1.55455081 × 10⁸

Factors of 155455081

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 155455081

Divisors of 155455081

• Number of divisors d(n): 2
• Complete list of divisors:
  1 155455081
• Sum of all divisors σ(n): 155455082
• Sum of proper divisors (its aliquot sum) s(n): 1
• 155455081 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 155455080

Bases of 155455081

• Binary: 1001010001000000111001101001₂
• Hexadecimal: 0x9440E69
• Base-36: 2KJXWP

Squares and roots of 155455081

• 155455081 squared (155455081²) is 24166282208716561
• 155455081 cubed (155455081³) is 3756771358224891896296441
• The square root of 155455081 is 12468.1626954417
• The cube root of 155455081 is 537.6937319313

Scales and comparisons

• 155,455,081 seconds is equal to 4 years, 49 weeks, 5 hours, 58 minutes, 1 second.
• To count from 1 to 155,455,081 would take you about 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 155455081 cubic inches would be around 44.8 feet tall.

Recreational maths with 155455081

• 155455081 backwards is 180554551
• The number of decimal digits it has is: 9
• The sum of 155455081's digits is 34
• More coming soon!