978052138

Names of 978052138

• Cardinal: 978052138 can be written as Nine hundred seventy-eight million, fifty-two thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 9.78052138 × 10⁸

Factors of 978052138

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3037461

Divisors of 978052138

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 7 14 23 46 161 322 3037429 6074858 21262003 42524006 69860867 139721734 489026069 978052138
• Sum of all divisors σ(n): 1749559680
• Sum of proper divisors (its aliquot sum) s(n): 771507542
• 978052138 is a deficient number, because the sum of its proper divisors (771507542) is less than itself. Its deficiency is 206544596

Bases of 978052138

• Binary: 111010010010111110010000101010₂
• Hexadecimal: 0x3A4BE42A
• Base-36: G6B1UY

Squares and roots of 978052138

• 978052138 squared (978052138²) is 956585984646371044
• 978052138 cubed (978052138³) is 935590967464218373525492072
• The square root of 978052138 is 31273.8251258141
• The cube root of 978052138 is 992.6298604897

Scales and comparisons

• 978,052,138 seconds is equal to 31 years, 5 weeks, 1 day, 1 hour, 8 minutes, 58 seconds.
• To count from 1 to 978,052,138 would take you about forty-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 978052138 cubic inches would be around 82.7 feet tall.

Recreational maths with 978052138

• 978052138 backwards is 831250879
• The number of decimal digits it has is: 9
• The sum of 978052138's digits is 43
• More coming soon!