6396978010

Names of 6396978010

• Cardinal: 6396978010 can be written as Six billion, three hundred ninety-six million, nine hundred seventy-eight thousand and ten.

Scientific notation

• Scientific notation: 6.39697801 × 10⁹

Factors of 6396978010

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 639697808

Divisors of 6396978010

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 639697801 1279395602 3198489005 6396978010
• Sum of all divisors σ(n): 11514560436
• Sum of proper divisors (its aliquot sum) s(n): 5117582426
• 6396978010 is a deficient number, because the sum of its proper divisors (5117582426) is less than itself. Its deficiency is 1279395584

Bases of 6396978010

• Binary: 101111101010010100010001101011010₂
• Hexadecimal: 0x17D4A235A
• Base-36: 2XSLFTM

Squares and roots of 6396978010

• 6396978010 squared (6396978010²) is 40921327660423560100
• 6396978010 cubed (6396978010³) is 261772833183734261245613401000
• The square root of 6396978010 is 79981.1103323779
• The cube root of 6396978010 is 1856.3432617081

Scales and comparisons

• 6,396,978,010 seconds is equal to 203 years, 21 weeks, 2 hours, 20 minutes, 10 seconds.
• To count from 1 to 6,396,978,010 would take you about four hundred 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 6396978010 cubic inches would be around 154.7 feet tall.

Recreational maths with 6396978010

• 6396978010 backwards is 0108796936
• The number of decimal digits it has is: 10
• The sum of 6396978010's digits is 49
• More coming soon!