40409712

Names of 40409712

• Cardinal: 40409712 can be written as Forty million, four hundred nine thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 4.0409712 × 10⁷

Factors of 40409712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 118

Divisors of 40409712

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 27 28 36 42 46 48 49 54 56 63 69 72 83 84 92 98 108 112 126 138 144 147 161 166 168 184 189 196 207 216 249 252 276 294 322 332 336 368 378 392 414 432 441 483 498 504 552 581 588 621 644 664 747 756 784 828 882 966 996 1008 1104 1127 1162 1176 1242 1288 1323 1328 1449 1494 1512 1656 1743 1764 1909 1932 1992 2241 2254 2324 2352 2484 2576 2646 2898 2988 3024 3312 3381 3486 3528 3818 3864 3984 4067 4347 4482 4508 4648 4968 5229 5292 5727 5796 5976 6762 6972 7056 7636 7728 8134 8694 8964 9016 9296 9936 10143 10458 10584 11454 11592 11952 12201 13363 13524 13944 15272 15687 16268 17181 17388 17928 18032 20286 20916 21168 22908 23184 24402 26726 27048 27888 30429 30544 31374 32536 34362 34776 35856 36603 40089 40572 41832 45816 48804 51543 53452 54096 60858 62748 65072 68724 69552 73206 80178 81144 83664 91632 93541 97608 103086 106904 109809 120267 121716 125496 137448 146412 160356 162288 187082 195216 206172 213808 219618 240534 243432 250992 274896 280623 292824 320712 360801 374164 412344 439236 481068 486864 561246 585648 641424 721602 748328 824688 841869 878472 962136 1122492 1443204 1496656 1683738 1756944 1924272 2244984 2525607 2886408 3367476 4489968 5051214 5772816 6734952 10102428 13469904 20204856 40409712
• Sum of all divisors σ(n): 142490880
• Sum of proper divisors (its aliquot sum) s(n): 102081168
• 40409712 is an abundant number, because the sum of its proper divisors (102081168) is greater than itself. Its abundance is 61671456

Bases of 40409712

• Binary: 10011010001001101001110000₂
• Hexadecimal: 0x2689A70
• Base-36: O24C0

Squares and roots of 40409712

• 40409712 squared (40409712²) is 1632944823922944
• 40409712 cubed (40409712³) is 65986830046616877232128
• The square root of 40409712 is 6356.8633774843
• The cube root of 40409712 is 343.1588879307

Scales and comparisons

• 40,409,712 seconds is equal to 1 year, 14 weeks, 5 days, 16 hours, 55 minutes, 12 seconds.
• To count from 1 to 40,409,712 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 40409712 cubic inches would be around 28.6 feet tall.

Recreational maths with 40409712

• 40409712 backwards is 21790404
• 40409712 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40409712's digits is 27
• More coming soon!