394395492940

Names of 394395492940

• Cardinal: 394395492940 can be written as Three hundred ninety-four billion, three hundred ninety-five million, four hundred ninety-two thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.9439549294 × 10¹¹

Factors of 394395492940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 60016

Divisors of 394395492940

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 10 20 317 634 1061 1268 1585 2122 3170 4244 5305 6340 10610 21220 58631 117262 234524 293155 336337 586310 672674 1172620 1345348 1681685 3363370 6726740 18586027 37172054 62207491 74344108 92930135 124414982 185860270 248829964 311037455 371720540 622074910 1244149820 19719774647 39439549294 78879098588 98598873235 197197746470 394395492940
• Sum of all divisors σ(n): 831640509504
• Sum of proper divisors (its aliquot sum) s(n): 437245016564
• 394395492940 is an abundant number, because the sum of its proper divisors (437245016564) is greater than itself. Its abundance is 42849523624

Bases of 394395492940

• Binary: 101101111010011110011011010001001001100₂
• Hexadecimal: 0x5BD3CDA24C
• Base-36: 516KW5ZG

Squares and roots of 394395492940

• 394395492940 squared (394395492940²) is 155547804851385589843600
• 394395492940 cubed (394395492940³) is 61347353170097143148379279504184000
• The square root of 394395492940 is 628009.1503632729
• The cube root of 394395492940 is 7333.4890484337

Scales and comparisons

• 394,395,492,940 seconds is equal to 12,540 years, 28 weeks, 6 days, 15 hours, 35 minutes, 40 seconds.
• To count from 1 to 394,395,492,940 would take you about twenty-five thousand and eighty-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 394395492940 cubic inches would be around 611.1 feet tall.

Recreational maths with 394395492940

• 394395492940 backwards is 049294593493
• The number of decimal digits it has is: 12
• The sum of 394395492940's digits is 61
• More coming soon!