7490149142

Names of 7490149142

• Cardinal: 7490149142 can be written as Seven billion, four hundred ninety million, one hundred forty-nine thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 7.490149142 × 10⁹

Factors of 7490149142

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 535010662

Divisors of 7490149142

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 535010653 1070021306 3745074571 7490149142
• Sum of all divisors σ(n): 12840255696
• Sum of proper divisors (its aliquot sum) s(n): 5350106554
• 7490149142 is a deficient number, because the sum of its proper divisors (5350106554) is less than itself. Its deficiency is 2140042588

Bases of 7490149142

• Binary: 110111110011100101001101100010110₂
• Hexadecimal: 0x1BE729B16
• Base-36: 3FVFW2E

Squares and roots of 7490149142

• 7490149142 squared (7490149142²) is 56102334169403336164
• 7490149142 cubed (7490149142³) is 420214850143153681020722171288
• The square root of 7490149142 is 86545.6477357469
• The cube root of 7490149142 is 1956.5764494325

Scales and comparisons

• 7,490,149,142 seconds is equal to 238 years, 8 weeks, 3 days, 12 hours, 59 minutes, 2 seconds.
• To count from 1 to 7,490,149,142 would take you about four hundred seventy-six 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 7490149142 cubic inches would be around 163 feet tall.

Recreational maths with 7490149142

• 7490149142 backwards is 2419410947
• The number of decimal digits it has is: 10
• The sum of 7490149142's digits is 41
• More coming soon!