7138171007

Names of 7138171007

• Cardinal: 7138171007 can be written as Seven billion, one hundred thirty-eight million, one hundred seventy-one thousand and seven.

Scientific notation

• Scientific notation: 7.138171007 × 10⁹

Factors of 7138171007

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 430989

Divisors of 7138171007

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 1511 16621 429467 4724137 648924637 7138171007
• Sum of all divisors σ(n): 7792267392
• Sum of proper divisors (its aliquot sum) s(n): 654096385
• 7138171007 is a deficient number, because the sum of its proper divisors (654096385) is less than itself. Its deficiency is 6484074622

Bases of 7138171007

• Binary: 110101001011101111101100001111111₂
• Hexadecimal: 0x1A977D87F
• Base-36: 3A1VRZZ

Squares and roots of 7138171007

• 7138171007 squared (7138171007²) is 50953485325175394049
• 7138171007 cubed (7138171007³) is 363714691653766964990372137343
• The square root of 7138171007 is 84487.6973706823
• The cube root of 7138171007 is 1925.4355348471

Scales and comparisons

• 7,138,171,007 seconds is equal to 226 years, 50 weeks, 3 days, 17 hours, 16 minutes, 47 seconds.
• To count from 1 to 7,138,171,007 would take you about four hundred fifty-three 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 7138171007 cubic inches would be around 160.5 feet tall.

Recreational maths with 7138171007

• 7138171007 backwards is 7001718317
• The number of decimal digits it has is: 10
• The sum of 7138171007's digits is 35
• More coming soon!