640122300683440

Names of 640122300683440

• Cardinal: 640122300683440 can be written as Six hundred forty trillion, one hundred twenty-two billion, three hundred million, six hundred eighty-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.4012230068344 × 10¹⁴

Factors of 640122300683440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1164882223

Divisors of 640122300683440

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 6869 13738 27476 34345 54952 68690 109904 137380 274760 549520 1164875347 2329750694 4659501388 5824376735 9319002776 11648753470 18638005552 23297506940 46595013880 93190027760 8001528758543 16003057517086 32006115034172 40007643792715 64012230068344 80015287585430 128024460136688 160030575170860 320061150341720 640122300683440
• Sum of all divisors σ(n): 1488501017181360
• Sum of proper divisors (its aliquot sum) s(n): 848378716497920
• 640122300683440 is an abundant number, because the sum of its proper divisors (848378716497920) is greater than itself. Its abundance is 208256415814480

Bases of 640122300683440

• Binary: 10010001100011000000010110010110000101010010110000₂
• Hexadecimal: 0x24630165854B0
• Base-36: 6AWK4ICX4G

Squares and roots of 640122300683440

• 640122300683440 squared (640122300683440²) is 409756559832260369891090233600
• 640122300683440 cubed (640122300683440³) is 262294311799958145425295457037935989251584000
• The square root of 640122300683440 is 25300638.3453746085
• The cube root of 640122300683440 is 86182.8766023799

Scales and comparisons

• 640,122,300,683,440 seconds is equal to 20,353,909 years, 6 weeks, 6 days, 13 hours, 50 minutes, 40 seconds.
• To count from 1 to 640,122,300,683,440 would take you about fifty million, eight hundred eighty-four thousand, seven hundred seventy-two 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 640122300683440 cubic inches would be around 7181.9 feet tall.

Recreational maths with 640122300683440

• 640122300683440 backwards is 044386003221046
• The number of decimal digits it has is: 15
• The sum of 640122300683440's digits is 43
• More coming soon!