31688470940

Names of 31688470940

• Cardinal: 31688470940 can be written as Thirty-one billion, six hundred eighty-eight million, four hundred seventy thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.168847094 × 10¹⁰

Factors of 31688470940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 384353

Divisors of 31688470940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 19 20 28 31 35 38 62 70 76 95 124 133 140 155 190 217 266 310 380 434 532 589 620 665 868 1085 1178 1330 2170 2356 2660 2945 4123 4340 5890 8246 11780 16492 20615 41230 82460 384289 768578 1537156 1921445 2690023 3842890 5380046 7301491 7685780 10760092 11912959 13450115 14602982 23825918 26900230 29205964 36507455 47651836 51110437 53800460 59564795 73014910 83390713 102220874 119129590 146029820 166781426 204441748 226346221 238259180 255552185 333562852 416953565 452692442 511104370 833907130 905384884 1022208740 1131731105 1584423547 1667814260 2263462210 3168847094 4526924420 6337694188 7922117735 15844235470 31688470940
• Sum of all divisors σ(n): 82637721600
• Sum of proper divisors (its aliquot sum) s(n): 50949250660
• 31688470940 is an abundant number, because the sum of its proper divisors (50949250660) is greater than itself. Its abundance is 19260779720

Bases of 31688470940

• Binary: 11101100000110001111011000110011100₂
• Hexadecimal: 0x760C7B19C
• Base-36: EK2HWNW

Squares and roots of 31688470940

• 31688470940 squared (31688470940²) is 1004159190515224483600
• 31688470940 cubed (31688470940³) is 31820269327775614676135106584000
• The square root of 31688470940 is 178012.5583772111
• The cube root of 31688470940 is 3164.4659567947

Scales and comparisons

• 31,688,470,940 seconds is equal to 1,007 years, 30 weeks, 6 days, 17 hours, 2 minutes, 20 seconds.
• To count from 1 to 31,688,470,940 would take you about two thousand and fifteen 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 31688470940 cubic inches would be around 263.7 feet tall.

Recreational maths with 31688470940

• 31688470940 backwards is 04907488613
• The number of decimal digits it has is: 11
• The sum of 31688470940's digits is 50
• More coming soon!