40649040

Names of 40649040

• Cardinal: 40649040 can be written as Forty million, six hundred forty-nine thousand and forty.

Scientific notation

• Scientific notation: 4.064904 × 10⁷

Factors of 40649040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 68

Divisors of 40649040

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 34 36 40 41 45 48 51 54 60 68 72 80 81 82 85 90 102 108 120 123 135 136 144 153 162 164 170 180 204 205 216 240 243 246 255 270 272 306 324 328 340 360 369 405 408 410 432 459 486 492 510 540 612 615 648 656 680 697 720 729 738 765 810 816 820 918 972 984 1020 1080 1107 1215 1224 1230 1296 1360 1377 1394 1458 1476 1530 1620 1640 1836 1845 1944 1968 2040 2091 2160 2214 2295 2430 2448 2460 2754 2788 2916 2952 3060 3240 3280 3321 3485 3645 3672 3690 3888 4080 4131 4182 4428 4590 4860 4920 5508 5535 5576 5832 5904 6120 6273 6480 6642 6885 6970 7290 7344 7380 8262 8364 8856 9180 9720 9840 9963 10455 11016 11070 11152 11664 12240 12393 12546 13284 13770 13940 14580 14760 16524 16605 16728 17712 18360 18819 19440 19926 20655 20910 22032 22140 24786 25092 26568 27540 27880 29160 29520 29889 31365 33048 33210 33456 36720 37638 39852 41310 41820 44280 49572 49815 50184 53136 55080 55760 56457 58320 59778 61965 62730 66096 66420 75276 79704 82620 83640 88560 94095 99144 99630 100368 110160 112914 119556 123930 125460 132840 149445 150552 159408 165240 167280 169371 188190 198288 199260 225828 239112 247860 250920 265680 282285 298890 301104 330480 338742 376380 398520 451656 478224 495720 501840 508113 564570 597780 677484 752760 797040 846855 903312 991440 1016226 1129140 1195560 1354968 1505520 1693710 2032452 2258280 2391120 2540565 2709936 3387420 4064904 4516560 5081130 6774840 8129808 10162260 13549680 20324520 40649040
• Sum of all divisors σ(n): 153693288
• Sum of proper divisors (its aliquot sum) s(n): 113044248
• 40649040 is an abundant number, because the sum of its proper divisors (113044248) is greater than itself. Its abundance is 72395208

Bases of 40649040

• Binary: 10011011000100000101010000₂
• Hexadecimal: 0x26C4150
• Base-36: O7900

Squares and roots of 40649040

• 40649040 squared (40649040²) is 1652344452921600
• 40649040 cubed (40649040³) is 67166215760588235264000
• The square root of 40649040 is 6375.6599658389
• The cube root of 40649040 is 343.8350119221

Scales and comparisons

• 40,649,040 seconds is equal to 1 year, 15 weeks, 1 day, 11 hours, 24 minutes.
• To count from 1 to 40,649,040 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 40649040 cubic inches would be around 28.7 feet tall.

Recreational maths with 40649040

• 40649040 backwards is 04094604
• 40649040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40649040's digits is 27
• More coming soon!