31399968200

Names of 31399968200

• Cardinal: 31399968200 can be written as Thirty-one billion, three hundred ninety-nine million, nine hundred sixty-eight thousand, two hundred.

Scientific notation

• Scientific notation: 3.13999682 × 10¹⁰

Factors of 31399968200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5064549

Divisors of 31399968200

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 20 25 31 40 50 62 100 124 155 200 248 310 620 775 1240 1550 3100 6200 5064511 10129022 20258044 25322555 40516088 50645110 101290220 126612775 156999841 202580440 253225550 313999682 506451100 627999364 784999205 1012902200 1255998728 1569998410 3139996820 3924996025 6279993640 7849992050 15699984100 31399968200
• Sum of all divisors σ(n): 75359938560
• Sum of proper divisors (its aliquot sum) s(n): 43959970360
• 31399968200 is an abundant number, because the sum of its proper divisors (43959970360) is greater than itself. Its abundance is 12560002160

Bases of 31399968200

• Binary: 11101001111100101010111110111001000₂
• Hexadecimal: 0x74F957DC8
• Base-36: EFAQAIW

Squares and roots of 31399968200

• 31399968200 squared (31399968200²) is 985958002961011240000
• 31399968200 cubed (31399968200³) is 30959049939511258775842568000000
• The square root of 31399968200 is 177200.3617377797
• The cube root of 31399968200 is 3154.8332018681

Scales and comparisons

• 31,399,968,200 seconds is equal to 998 years, 21 weeks, 6 days, 13 hours, 23 minutes, 20 seconds.
• To count from 1 to 31,399,968,200 would take you about one thousand, nine hundred ninety-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 31399968200 cubic inches would be around 262.9 feet tall.

Recreational maths with 31399968200

• 31399968200 backwards is 00286999313
• 31399968200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31399968200's digits is 50
• More coming soon!