1215012071

Names of 1215012071

• Cardinal: 1215012071 can be written as One billion, two hundred fifteen million, twelve thousand and seventy-one.

Scientific notation

• Scientific notation: 1.215012071 × 10⁹

Factors of 1215012071

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 124910

Divisors of 1215012071

• Number of divisors d(n): 16
• Complete list of divisors:
  1 7 13 91 107 749 1391 9737 124783 873481 1622179 11355253 13351781 93462467 173573153 1215012071
• Sum of all divisors σ(n): 1509387264
• Sum of proper divisors (its aliquot sum) s(n): 294375193
• 1215012071 is a deficient number, because the sum of its proper divisors (294375193) is less than itself. Its deficiency is 920636878

Bases of 1215012071

• Binary: 1001000011010111001110011100111₂
• Hexadecimal: 0x486B9CE7
• Base-36: K3DXBB

Squares and roots of 1215012071

• 1215012071 squared (1215012071²) is 1476254332675709041
• 1215012071 cubed (1215012071³) is 1793666834067036213298833911
• The square root of 1215012071 is 34857.0232664811
• The cube root of 1215012071 is 1067.0715251015

Scales and comparisons

• 1,215,012,071 seconds is equal to 38 years, 32 weeks, 6 days, 15 hours, 21 minutes, 11 seconds.
• To count from 1 to 1,215,012,071 would take you about seventy-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 1215012071 cubic inches would be around 88.9 feet tall.

Recreational maths with 1215012071

• 1215012071 backwards is 1702105121
• The number of decimal digits it has is: 10
• The sum of 1215012071's digits is 20
• More coming soon!