68213040

Names of 68213040

• Cardinal: 68213040 can be written as Sixty-eight million, two hundred thirteen thousand and forty.

Scientific notation

• Scientific notation: 6.821304 × 10⁷

Factors of 68213040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2173

Divisors of 68213040

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 28 30 35 38 40 42 48 56 57 60 70 76 80 84 95 105 112 114 120 133 140 152 168 190 210 228 240 266 280 285 304 336 380 399 420 456 532 560 570 665 760 798 840 912 1064 1140 1330 1520 1596 1680 1995 2128 2137 2280 2660 3192 3990 4274 4560 5320 6384 6411 7980 8548 10640 10685 12822 14959 15960 17096 21370 25644 29918 31920 32055 34192 40603 42740 44877 51288 59836 64110 74795 81206 85480 89754 102576 119672 121809 128220 149590 162412 170960 179508 203015 224385 239344 243618 256440 284221 299180 324824 359016 406030 448770 487236 512880 568442 598360 609045 649648 718032 812060 852663 897540 974472 1136884 1196720 1218090 1421105 1624120 1705326 1795080 1948944 2273768 2436180 2842210 3248240 3410652 3590160 4263315 4547536 4872360 5684420 6821304 8526630 9744720 11368840 13642608 17053260 22737680 34106520 68213040
• Sum of all divisors σ(n): 254507520
• Sum of proper divisors (its aliquot sum) s(n): 186294480
• 68213040 is an abundant number, because the sum of its proper divisors (186294480) is greater than itself. Its abundance is 118081440

Bases of 68213040

• Binary: 100000100001101100100110000₂
• Hexadecimal: 0x410D930
• Base-36: 14M1IO

Squares and roots of 68213040

• 68213040 squared (68213040²) is 4653018826041600
• 68213040 cubed (68213040³) is 317396559301528702464000
• The square root of 68213040 is 8259.1185970417
• The cube root of 68213040 is 408.5913186677

Scales and comparisons

• 68,213,040 seconds is equal to 2 years, 8 weeks, 5 days, 12 hours, 4 minutes.
• To count from 1 to 68,213,040 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 68213040 cubic inches would be around 34 feet tall.

Recreational maths with 68213040

• 68213040 backwards is 04031286
• 68213040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 68213040's digits is 24
• More coming soon!