16132689721

Names of 16132689721

• Cardinal: 16132689721 can be written as Sixteen billion, one hundred thirty-two million, six hundred eighty-nine thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.6132689721 × 10¹⁰

Factors of 16132689721

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 273435478

Divisors of 16132689721

• Number of divisors d(n): 4
• Complete list of divisors:
  1 59 273435419 16132689721
• Sum of all divisors σ(n): 16406125200
• Sum of proper divisors (its aliquot sum) s(n): 273435479
• 16132689721 is a deficient number, because the sum of its proper divisors (273435479) is less than itself. Its deficiency is 15859254242

Bases of 16132689721

• Binary: 1111000001100101010100111100111001₂
• Hexadecimal: 0x3C1954F39
• Base-36: 7ESZJ21

Squares and roots of 16132689721

• 16132689721 squared (16132689721²) is 260263677634059057841
• 16132689721 cubed (16132689721³) is 4198753156916642161938445152361
• The square root of 16132689721 is 127014.5256299451
• The cube root of 16132689721 is 2526.7887059073

Scales and comparisons

• 16,132,689,721 seconds is equal to 512 years, 50 weeks, 2 days, 22 hours, 42 minutes, 1 second.
• To count from 1 to 16,132,689,721 would take you about one thousand and twenty-five 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 16132689721 cubic inches would be around 210.6 feet tall.

Recreational maths with 16132689721

• 16132689721 backwards is 12798623161
• The number of decimal digits it has is: 11
• The sum of 16132689721's digits is 46
• More coming soon!