42640500

Names of 42640500

• Cardinal: 42640500 can be written as Forty-two million, six hundred forty thousand, five hundred.

Scientific notation

• Scientific notation: 4.26405 × 10⁷

Factors of 42640500

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 179

Divisors of 42640500

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 31 35 42 50 60 62 70 75 84 93 100 105 124 125 131 140 150 155 175 186 210 217 250 262 300 310 350 372 375 393 420 434 465 500 524 525 620 651 655 700 750 775 786 868 875 917 930 1050 1085 1302 1310 1500 1550 1572 1750 1834 1860 1965 2100 2170 2325 2604 2620 2625 2751 3100 3255 3275 3500 3668 3875 3930 4061 4340 4585 4650 5250 5425 5502 6510 6550 7750 7860 8122 9170 9300 9825 10500 10850 11004 11625 12183 13020 13100 13755 15500 16244 16275 16375 18340 19650 20305 21700 22925 23250 24366 27125 27510 28427 32550 32750 39300 40610 45850 46500 48732 49125 54250 55020 56854 60915 65100 65500 68775 81220 81375 85281 91700 98250 101525 108500 113708 114625 121830 137550 142135 162750 170562 196500 203050 229250 243660 275100 284270 304575 325500 341124 343875 406100 426405 458500 507625 568540 609150 687750 710675 852810 1015250 1218300 1375500 1421350 1522875 1705620 2030500 2132025 2842700 3045750 3553375 4264050 6091500 7106750 8528100 10660125 14213500 21320250 42640500
• Sum of all divisors σ(n): 147603456
• Sum of proper divisors (its aliquot sum) s(n): 104962956
• 42640500 is an abundant number, because the sum of its proper divisors (104962956) is greater than itself. Its abundance is 62322456

Bases of 42640500

• Binary: 10100010101010010001110100₂
• Hexadecimal: 0x28AA474
• Base-36: PDXMC

Squares and roots of 42640500

• 42640500 squared (42640500²) is 1818212240250000
• 42640500 cubed (42640500³) is 77529479030380125000000
• The square root of 42640500 is 6529.9693720569
• The cube root of 42640500 is 349.3607378841

Scales and comparisons

• 42,640,500 seconds is equal to 1 year, 18 weeks, 3 days, 12 hours, 35 minutes.
• To count from 1 to 42,640,500 would take you about 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 42640500 cubic inches would be around 29.1 feet tall.

Recreational maths with 42640500

• 42640500 backwards is 00504624
• 42640500 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42640500's digits is 21
• More coming soon!