640423677100

Names of 640423677100

• Cardinal: 640423677100 can be written as Six hundred forty billion, four hundred twenty-three million, six hundred seventy-seven thousand, one hundred.

Scientific notation

• Scientific notation: 6.404236771 × 10¹¹

Factors of 640423677100

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 683

Divisors of 640423677100

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 20 23 25 46 50 92 100 115 230 460 575 653 1150 1306 2300 2612 3265 6530 13060 15019 16325 30038 32650 60076 65300 75095 150190 300380 375475 426409 750950 852818 1501900 1705636 2132045 4264090 8528180 9807407 10660225 19614814 21320450 39229628 42640900 49037035 98074070 196148140 245185175 278445077 490370350 556890154 980740700 1113780308 1392225385 2784450770 5568901540 6404236771 6961126925 12808473542 13922253850 25616947084 27844507700 32021183855 64042367710 128084735420 160105919275 320211838550 640423677100
• Sum of all divisors σ(n): 1452366105120
• Sum of proper divisors (its aliquot sum) s(n): 811942428020
• 640423677100 is an abundant number, because the sum of its proper divisors (811942428020) is greater than itself. Its abundance is 171518750920

Bases of 640423677100

• Binary: 1001010100011100001110011100110010101100₂
• Hexadecimal: 0x951C39CCAC
• Base-36: 867FPZU4

Squares and roots of 640423677100

• 640423677100 squared (640423677100²) is 410142486190285064410000
• 640423677100 cubed (640423677100³) is 262664959140918331246662542011000000
• The square root of 640423677100 is 800264.7543781997
• The cube root of 640423677100 is 8619.6399753273

Scales and comparisons

• 640,423,677,100 seconds is equal to 20,363 years, 25 weeks, 4 days, 1 hour, 51 minutes, 40 seconds.
• To count from 1 to 640,423,677,100 would take you about forty thousand, seven hundred twenty-six 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 640423677100 cubic inches would be around 718.3 feet tall.

Recreational maths with 640423677100

• 640423677100 backwards is 001776324046
• The number of decimal digits it has is: 12
• The sum of 640423677100's digits is 40
• More coming soon!