31514389890

Names of 31514389890

• Cardinal: 31514389890 can be written as Thirty-one billion, five hundred fourteen million, three hundred eighty-nine thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 3.151438989 × 10¹⁰

Factors of 31514389890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 33323

Divisors of 31514389890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 53 106 159 265 318 530 607 795 1214 1590 1821 3035 3642 6070 9105 18210 32171 32653 64342 65306 96513 97959 160855 163265 193026 195918 321710 326530 482565 489795 965130 979590 1730609 3461218 5191827 8653045 10383654 17306090 19820371 25959135 39640742 51918270 59461113 99101855 118922226 198203710 297305565 594611130 1050479663 2100959326 3151438989 5252398315 6302877978 10504796630 15757194945 31514389890
• Sum of all divisors σ(n): 77190921216
• Sum of proper divisors (its aliquot sum) s(n): 45676531326
• 31514389890 is an abundant number, because the sum of its proper divisors (45676531326) is greater than itself. Its abundance is 14162141436

Bases of 31514389890

• Binary: 11101010110011001110110110110000010₂
• Hexadecimal: 0x756676D82
• Base-36: EH6UQV6

Squares and roots of 31514389890

• 31514389890 squared (31514389890²) is 993156770138934212100
• 31514389890 cubed (31514389890³) is 31298729676051482229179355669000
• The square root of 31514389890 is 177522.9277868073
• The cube root of 31514389890 is 3158.6606341873

Scales and comparisons

• 31,514,389,890 seconds is equal to 1,002 years, 3 weeks, 21 hours, 11 minutes, 30 seconds.
• To count from 1 to 31,514,389,890 would take you about two thousand and four 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 31514389890 cubic inches would be around 263.2 feet tall.

Recreational maths with 31514389890

• 31514389890 backwards is 09898341513
• The number of decimal digits it has is: 11
• The sum of 31514389890's digits is 51
• More coming soon!