31939430806720

Names of 31939430806720

• Cardinal: 31939430806720 can be written as Thirty-one trillion, nine hundred thirty-nine billion, four hundred thirty million, eight hundred six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 3.193943080672 × 10¹³

Factors of 31939430806720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4339596607

Divisors of 31939430806720

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 160 184 230 320 368 460 736 920 1472 1840 3680 7360 4339596577 8679193154 17358386308 21697982885 34716772616 43395965770 69433545232 86791931540 99810721271 138867090464 173583863080 199621442542 277734180928 347167726160 399242885084 499053606355 694335452320 798485770168 998107212710 1388670904640 1596971540336 1996214425420 3193943080672 3992428850840 6387886161344 7984857701680 15969715403360 31939430806720
• Sum of all divisors σ(n): 79362542218464
• Sum of proper divisors (its aliquot sum) s(n): 47423111411744
• 31939430806720 is an abundant number, because the sum of its proper divisors (47423111411744) is greater than itself. Its abundance is 15483680605024

Bases of 31939430806720

• Binary: 111010000110001111010011011010111010011000000₂
• Hexadecimal: 0x1D0C7A6D74C0
• Base-36: BBKRSG81S

Squares and roots of 31939430806720

• 31939430806720 squared (31939430806720²) is 1020127240257254589997158400
• 31939430806720 cubed (31939430806720³) is 32582283404246812229725363758219624448000
• The square root of 31939430806720 is 5651498.1028679467
• The cube root of 31939430806720 is 31727.9776378393

Scales and comparisons

• 31,939,430,806,720 seconds is equal to 1,015,575 years, 5 weeks, 3 days, 58 minutes, 40 seconds.
• To count from 1 to 31,939,430,806,720 would take you about two million, five hundred thirty-eight thousand, nine hundred thirty-seven 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 31939430806720 cubic inches would be around 2644 feet tall.

Recreational maths with 31939430806720

• 31939430806720 backwards is 02760803493913
• The number of decimal digits it has is: 14
• The sum of 31939430806720's digits is 55
• More coming soon!