40057920

Names of 40057920

• Cardinal: 40057920 can be written as Forty million, fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 4.005792 × 10⁷

Factors of 40057920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2004

Divisors of 40057920

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 192 210 224 240 252 280 288 315 320 336 360 420 448 480 504 560 576 630 672 720 840 960 1008 1120 1260 1344 1440 1680 1987 2016 2240 2520 2880 3360 3974 4032 5040 5961 6720 7948 9935 10080 11922 13909 15896 17883 19870 20160 23844 27818 29805 31792 35766 39740 41727 47688 55636 59610 63584 69545 71532 79480 83454 89415 95376 111272 119220 125181 127168 139090 143064 158960 166908 178830 190752 208635 222544 238440 250362 278180 286128 317920 333816 357660 381504 417270 445088 476880 500724 556360 572256 625905 635840 667632 715320 834540 890176 953760 1001448 1112720 1144512 1251810 1335264 1430640 1669080 1907520 2002896 2225440 2503620 2670528 2861280 3338160 4005792 4450880 5007240 5722560 6676320 8011584 10014480 13352640 20028960 40057920
• Sum of all divisors σ(n): 157545024
• Sum of proper divisors (its aliquot sum) s(n): 117487104
• 40057920 is an abundant number, because the sum of its proper divisors (117487104) is greater than itself. Its abundance is 77429184

Bases of 40057920

• Binary: 10011000110011110001000000₂
• Hexadecimal: 0x2633C40
• Base-36: NUKW0

Squares and roots of 40057920

• 40057920 squared (40057920²) is 1604636954726400
• 40057920 cubed (40057920³) is 64278418761473753088000
• The square root of 40057920 is 6329.1326419977
• The cube root of 40057920 is 342.1601794037

Scales and comparisons

• 40,057,920 seconds is equal to 1 year, 14 weeks, 1 day, 15 hours, 12 minutes.
• To count from 1 to 40,057,920 would take you about forty-seven 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 40057920 cubic inches would be around 28.5 feet tall.

Recreational maths with 40057920

• 40057920 backwards is 02975004
• The number of decimal digits it has is: 8
• The sum of 40057920's digits is 27
• More coming soon!