16472158921

Names of 16472158921

• Cardinal: 16472158921 can be written as Sixteen billion, four hundred seventy-two million, one hundred fifty-eight thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.6472158921 × 10¹⁰

Factors of 16472158921

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 707510

Divisors of 16472158921

• Number of divisors d(n): 4
• Complete list of divisors:
  1 24103 683407 16472158921
• Sum of all divisors σ(n): 16472866432
• Sum of proper divisors (its aliquot sum) s(n): 707511
• 16472158921 is a deficient number, because the sum of its proper divisors (707511) is less than itself. Its deficiency is 16471451410

Bases of 16472158921

• Binary: 1111010101110100010011001011001001₂
• Hexadecimal: 0x3D5D132C9
• Base-36: 7KF3J61

Squares and roots of 16472158921

• 16472158921 squared (16472158921²) is 271332019518679884241
• 16472158921 cubed (16472158921³) is 4469424145867568981343635463961
• The square root of 16472158921 is 128343.9087802771
• The cube root of 16472158921 is 2544.3889913883

Scales and comparisons

• 16,472,158,921 seconds is equal to 523 years, 39 weeks, 4 days, 23 hours, 42 minutes, 1 second.
• To count from 1 to 16,472,158,921 would take you about one thousand and forty-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 16472158921 cubic inches would be around 212 feet tall.

Recreational maths with 16472158921

• 16472158921 backwards is 12985127461
• The number of decimal digits it has is: 11
• The sum of 16472158921's digits is 46
• More coming soon!