4005540

Names of 4005540

• Cardinal: 4005540 can be written as Four million, five thousand, five hundred forty.

Scientific notation

• Scientific notation: 4.00554 × 10⁶

Factors of 4005540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 45

Divisors of 4005540

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 17 18 20 21 22 28 30 33 34 35 36 42 44 45 51 55 60 63 66 68 70 77 84 85 90 99 102 105 110 119 126 132 140 153 154 165 170 180 187 198 204 210 220 231 238 252 255 289 306 308 315 330 340 357 374 385 396 420 462 476 495 510 561 578 595 612 630 660 693 714 748 765 770 867 924 935 990 1020 1071 1122 1155 1156 1190 1260 1309 1386 1428 1445 1530 1540 1683 1734 1785 1870 1980 2023 2142 2244 2310 2380 2601 2618 2772 2805 2890 3060 3179 3366 3465 3468 3570 3740 3927 4046 4284 4335 4620 5202 5236 5355 5610 5780 6069 6358 6545 6732 6930 7140 7854 8092 8415 8670 9537 10115 10404 10710 11220 11781 12138 12716 13005 13090 13860 15708 15895 16830 17340 18207 19074 19635 20230 21420 22253 23562 24276 26010 26180 28611 30345 31790 33660 36414 38148 39270 40460 44506 47124 47685 52020 57222 58905 60690 63580 66759 72828 78540 89012 91035 95370 111265 114444 117810 121380 133518 143055 182070 190740 200277 222530 235620 267036 286110 333795 364140 400554 445060 572220 667590 801108 1001385 1335180 2002770 4005540
• Sum of all divisors σ(n): 16091712
• Sum of proper divisors (its aliquot sum) s(n): 12086172
• 4005540 is an abundant number, because the sum of its proper divisors (12086172) is greater than itself. Its abundance is 8080632

Bases of 4005540

• Binary: 1111010001111010100100₂
• Hexadecimal: 0x3D1EA4
• Base-36: 2DUP0

Squares and roots of 4005540

• 4005540 squared (4005540²) is 16044350691600
• 4005540 cubed (4005540³) is 64266288469231464000
• The square root of 4005540 is 2001.3845207755
• The cube root of 4005540 is 158.8133564049

Scales and comparisons

• 4,005,540 seconds is equal to 6 weeks, 4 days, 8 hours, 39 minutes.
• To count from 1 to 4,005,540 would take you about nine 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 4005540 cubic inches would be around 13.2 feet tall.

Recreational maths with 4005540

• 4005540 backwards is 0455004
• 4005540 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 4005540's digits is 18
• More coming soon!