31940239680

Names of 31940239680

• Cardinal: 31940239680 can be written as Thirty-one billion, nine hundred forty million, two hundred thirty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 3.194023968 × 10¹⁰

Factors of 31940239680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3696797

Divisors of 31940239680

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 480 540 576 720 864 960 1080 1440 1728 2160 2880 4320 8640 3696787 7393574 11090361 14787148 18483935 22180722 29574296 33271083 36967870 44361444 55451805 59148592 66542166 73935740 88722888 99813249 110903610 118297184 133084332 147871480 166355415 177445776 199626498 221807220 236594368 266168664 295742960 332710830 354891552 399252996 443614440 499066245 532337328 591485920 665421660 709783104 798505992 887228880 998132490 1064674656 1182971840 1330843320 1597011984 1774457760 1996264980 2129349312 2661686640 3194023968 3548915520 3992529960 5323373280 6388047936 7985059920 10646746560 15970119840 31940239680
• Sum of all divisors σ(n): 112678098240
• Sum of proper divisors (its aliquot sum) s(n): 80737858560
• 31940239680 is an abundant number, because the sum of its proper divisors (80737858560) is greater than itself. Its abundance is 48797618880

Bases of 31940239680

• Binary: 11101101111110010010110000101000000₂
• Hexadecimal: 0x76FC96140
• Base-36: EO8E6O0

Squares and roots of 31940239680

• 31940239680 squared (31940239680²) is 1020178910815846502400
• 31940239680 cubed (31940239680³) is 32584758927939481628745695232000
• The square root of 31940239680 is 178718.3249697691
• The cube root of 31940239680 is 3172.8245474971

Scales and comparisons

• 31,940,239,680 seconds is equal to 1,015 years, 31 weeks, 1 day, 16 hours, 48 minutes.
• To count from 1 to 31,940,239,680 would take you about two thousand and thirty-one 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 31940239680 cubic inches would be around 264.4 feet tall.

Recreational maths with 31940239680

• 31940239680 backwards is 08693204913
• 31940239680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31940239680's digits is 45
• More coming soon!