68040672

Names of 68040672

• Cardinal: 68040672 can be written as Sixty-eight million, forty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 6.8040672 × 10⁷

Factors of 68040672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 104

Divisors of 68040672

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 56 57 73 76 84 96 112 114 133 146 152 168 219 224 228 266 292 304 336 399 438 456 511 532 584 608 672 798 876 912 1022 1064 1168 1387 1533 1596 1752 1824 2044 2128 2336 2774 3066 3192 3504 4088 4161 4256 5329 5548 6132 6384 7008 8176 8322 9709 10658 11096 12264 12768 15987 16352 16644 19418 21316 22192 24528 29127 31974 33288 37303 38836 42632 44384 49056 58254 63948 66576 74606 77672 85264 101251 111909 116508 127896 133152 149212 155344 170528 202502 223818 233016 255792 298424 303753 310688 405004 447636 466032 511584 596848 607506 708757 810008 895272 932064 1193696 1215012 1417514 1620016 1790544 2126271 2430024 2835028 3240032 3581088 4252542 4860048 5670056 8505084 9720096 11340112 17010168 22680224 34020336 68040672
• Sum of all divisors σ(n): 217848960
• Sum of proper divisors (its aliquot sum) s(n): 149808288
• 68040672 is an abundant number, because the sum of its proper divisors (149808288) is greater than itself. Its abundance is 81767616

Bases of 68040672

• Binary: 100000011100011011111100000₂
• Hexadecimal: 0x40E37E0
• Base-36: 14ICIO

Squares and roots of 68040672

• 68040672 squared (68040672²) is 4629533046211584
• 68040672 cubed (68040672³) is 314996539510443229544448
• The square root of 68040672 is 8248.6769848261
• The cube root of 68040672 is 408.2468709709

Scales and comparisons

• 68,040,672 seconds is equal to 2 years, 8 weeks, 3 days, 12 hours, 11 minutes, 12 seconds.
• To count from 1 to 68,040,672 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 68040672 cubic inches would be around 34 feet tall.

Recreational maths with 68040672

• 68040672 backwards is 27604086
• The number of decimal digits it has is: 8
• The sum of 68040672's digits is 33
• More coming soon!