231009240

Names of 231009240

• Cardinal: 231009240 can be written as Two hundred thirty-one million, nine thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.3100924 × 10⁸

Factors of 231009240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1138

Divisors of 231009240

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 20 21 22 23 24 28 30 33 35 40 42 44 46 55 56 60 66 69 70 77 84 88 92 105 110 115 120 132 138 140 154 161 165 168 184 210 220 230 231 253 264 276 280 308 322 330 345 385 420 440 460 462 483 506 552 616 644 660 690 759 770 805 840 920 924 966 1012 1087 1155 1265 1288 1320 1380 1518 1540 1610 1771 1848 1932 2024 2174 2310 2415 2530 2760 3036 3080 3220 3261 3542 3795 3864 4348 4620 4830 5060 5313 5435 6072 6440 6522 7084 7590 7609 8696 8855 9240 9660 10120 10626 10870 11957 13044 14168 15180 15218 16305 17710 19320 21252 21740 22827 23914 25001 26088 26565 30360 30436 32610 35420 35871 38045 42504 43480 45654 47828 50002 53130 59785 60872 65220 70840 71742 75003 76090 83699 91308 95656 100004 106260 114135 119570 125005 130440 143484 150006 152180 167398 175007 179355 182616 200008 212520 228270 239140 250010 251097 275011 286968 300012 304360 334796 350014 358710 375015 418495 456540 478280 500020 502194 525021 550022 600024 669592 700028 717420 750030 825033 836990 875035 913080 1000040 1004388 1050042 1100044 1255485 1375055 1400056 1434840 1500060 1650066 1673980 1750070 1925077 2008776 2100084 2200088 2510970 2625105 2750110 3000120 3300132 3347960 3500140 3850154 4125165 4200168 5021940 5250210 5500220 5775231 6600264 7000280 7700308 8250330 9625385 10043880 10500420 11000440 11550462 15400616 16500660 19250770 21000840 23100924 28876155 33001320 38501540 46201848 57752310 77003080 115504620 231009240
• Sum of all divisors σ(n): 902430720
• Sum of proper divisors (its aliquot sum) s(n): 671421480
• 231009240 is an abundant number, because the sum of its proper divisors (671421480) is greater than itself. Its abundance is 440412240

Bases of 231009240

• Binary: 1101110001001110101111011000₂
• Hexadecimal: 0xDC4EBD8
• Base-36: 3TJBVC

Squares and roots of 231009240

• 231009240 squared (231009240²) is 53365268965377600
• 231009240 cubed (231009240³) is 12327870226087465689024000
• The square root of 231009240 is 15198.9881242141
• The cube root of 231009240 is 613.5874249137

Scales and comparisons

• 231,009,240 seconds is equal to 7 years, 17 weeks, 6 days, 17 hours, 14 minutes.
• To count from 1 to 231,009,240 would take you about eleven 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 231009240 cubic inches would be around 51.1 feet tall.

Recreational maths with 231009240

• 231009240 backwards is 042900132
• 231009240 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 231009240's digits is 21
• More coming soon!