40668672

Names of 40668672

• Cardinal: 40668672 can be written as Forty million, six hundred sixty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 4.0668672 × 10⁷

Factors of 40668672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 128

Divisors of 40668672

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 29 32 33 44 48 58 64 66 83 87 88 96 116 128 132 166 174 176 192 232 249 256 264 319 332 348 352 384 464 498 512 528 638 664 696 704 768 913 928 957 996 1056 1276 1328 1392 1408 1536 1826 1856 1914 1992 2112 2407 2552 2656 2739 2784 2816 3652 3712 3828 3984 4224 4814 5104 5312 5478 5568 5632 7221 7304 7424 7656 7968 8448 9628 10208 10624 10956 11136 14442 14608 14848 15312 15936 16896 19256 20416 21248 21912 22272 26477 28884 29216 30624 31872 38512 40832 42496 43824 44544 52954 57768 58432 61248 63744 77024 79431 81664 87648 105908 115536 116864 122496 127488 154048 158862 163328 175296 211816 231072 233728 244992 308096 317724 350592 423632 462144 467456 489984 616192 635448 701184 847264 924288 1232384 1270896 1402368 1694528 1848576 2541792 3389056 3697152 5083584 6778112 10167168 13556224 20334336 40668672
• Sum of all divisors σ(n): 123742080
• Sum of proper divisors (its aliquot sum) s(n): 83073408
• 40668672 is an abundant number, because the sum of its proper divisors (83073408) is greater than itself. Its abundance is 42404736

Bases of 40668672

• Binary: 10011011001000111000000000₂
• Hexadecimal: 0x26C8E00
• Base-36: O7O5C

Squares and roots of 40668672

• 40668672 squared (40668672²) is 1653940882243584
• 40668672 cubed (40668672³) is 67263579247354941800448
• The square root of 40668672 is 6377.1993853101
• The cube root of 40668672 is 343.8903562591

Scales and comparisons

• 40,668,672 seconds is equal to 1 year, 15 weeks, 1 day, 16 hours, 51 minutes, 12 seconds.
• To count from 1 to 40,668,672 would take you about forty-eight weeks!

  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 40668672 cubic inches would be around 28.7 feet tall.

Recreational maths with 40668672

• 40668672 backwards is 27686604
• The number of decimal digits it has is: 8
• The sum of 40668672's digits is 39
• More coming soon!