68049240

Names of 68049240

• Cardinal: 68049240 can be written as Sixty-eight million, forty-nine thousand, two hundred forty.

Scientific notation

• Scientific notation: 6.804924 × 10⁷

Factors of 68049240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 251

Divisors of 68049240

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 71 84 98 105 120 140 142 147 163 168 196 210 213 245 280 284 294 326 355 392 420 426 489 490 497 568 588 652 710 735 815 840 852 978 980 994 1065 1141 1176 1304 1420 1470 1491 1630 1704 1956 1960 1988 2130 2282 2445 2485 2840 2940 2982 3260 3423 3479 3912 3976 4260 4564 4890 4970 5705 5880 5964 6520 6846 6958 7455 7987 8520 9128 9780 9940 10437 11410 11573 11928 13692 13916 14910 15974 17115 17395 19560 19880 20874 22820 23146 23961 27384 27832 29820 31948 34230 34719 34790 39935 41748 45640 46292 47922 52185 57865 59640 63896 68460 69438 69580 79870 81011 83496 92584 95844 104370 115730 119805 136920 138876 139160 159740 162022 173595 191688 208740 231460 239610 243033 277752 319480 324044 347190 405055 417480 462920 479220 486066 567077 648088 694380 810110 958440 972132 1134154 1215165 1388760 1620220 1701231 1944264 2268308 2430330 2835385 3240440 3402462 4536616 4860660 5670770 6804924 8506155 9721320 11341540 13609848 17012310 22683080 34024620 68049240
• Sum of all divisors σ(n): 242300160
• Sum of proper divisors (its aliquot sum) s(n): 174250920
• 68049240 is an abundant number, because the sum of its proper divisors (174250920) is greater than itself. Its abundance is 106201680

Bases of 68049240

• Binary: 100000011100101100101011000₂
• Hexadecimal: 0x40E5958
• Base-36: 14IJ4O

Squares and roots of 68049240

• 68049240 squared (68049240²) is 4630699064577600
• 68049240 cubed (68049240³) is 315115552013216601024000
• The square root of 68049240 is 8249.1963244913
• The cube root of 68049240 is 408.2640063709

Scales and comparisons

• 68,049,240 seconds is equal to 2 years, 8 weeks, 3 days, 14 hours, 34 minutes.
• To count from 1 to 68,049,240 would take you about three 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 68049240 cubic inches would be around 34 feet tall.

Recreational maths with 68049240

• 68049240 backwards is 04294086
• The number of decimal digits it has is: 8
• The sum of 68049240's digits is 33
• More coming soon!