31455616144

Names of 31455616144

• Cardinal: 31455616144 can be written as Thirty-one billion, four hundred fifty-five million, six hundred sixteen thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 3.1455616144 × 10¹⁰

Factors of 31455616144

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 372

Divisors of 31455616144

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 101 202 269 404 538 808 1076 1616 2152 4304 27169 54338 72361 108676 144722 217352 289444 434704 578888 1157776 7308461 14616922 19465109 29233844 38930218 58467688 77860436 116935376 155720872 311441744 1965976009 3931952018 7863904036 15727808072 31455616144
• Sum of all divisors σ(n): 61778333880
• Sum of proper divisors (its aliquot sum) s(n): 30322717736
• 31455616144 is a deficient number, because the sum of its proper divisors (30322717736) is less than itself. Its deficiency is 1132898408

Bases of 31455616144

• Binary: 11101010010111001101001110010010000₂
• Hexadecimal: 0x752E69C90
• Base-36: EG7V0R4

Squares and roots of 31455616144

• 31455616144 squared (31455616144²) is 989455786998673428736
• 31455616144 cubed (31455616144³) is 31123941427289697211531955113984
• The square root of 31455616144 is 177357.3120680397
• The cube root of 31455616144 is 3156.6957979419

Scales and comparisons

• 31,455,616,144 seconds is equal to 1,000 years, 9 weeks, 6 days, 15 hours, 9 minutes, 4 seconds.
• To count from 1 to 31,455,616,144 would take you about two thousand 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 31455616144 cubic inches would be around 263.1 feet tall.

Recreational maths with 31455616144

• 31455616144 backwards is 44161655413
• The number of decimal digits it has is: 11
• The sum of 31455616144's digits is 40
• More coming soon!