42218820

Names of 42218820

• Cardinal: 42218820 can be written as Forty-two million, two hundred eighteen thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 4.221882 × 10⁷

Factors of 42218820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 107

Divisors of 42218820

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 27 28 30 34 35 36 42 45 51 54 60 63 68 70 73 81 84 85 90 102 105 108 119 126 135 140 146 153 162 170 180 189 204 210 219 238 243 252 255 270 292 306 315 324 340 357 365 378 405 420 438 459 476 486 510 511 540 567 595 612 630 657 714 730 756 765 810 876 918 945 972 1020 1022 1071 1095 1134 1190 1215 1241 1260 1314 1377 1428 1460 1530 1533 1620 1701 1785 1836 1890 1971 2044 2142 2190 2268 2295 2380 2430 2482 2555 2628 2754 2835 3060 3066 3213 3285 3402 3570 3723 3780 3942 4131 4284 4380 4590 4599 4860 4964 5110 5355 5508 5670 5913 6132 6205 6426 6570 6804 6885 7140 7446 7665 7884 8262 8505 8687 9180 9198 9639 9855 10220 10710 11169 11340 11826 12410 12852 13140 13770 13797 14892 15330 16065 16524 17010 17374 17739 18396 18615 19278 19710 20655 21420 22338 22995 23652 24820 26061 27540 27594 28917 29565 30660 32130 33507 34020 34748 35478 37230 38556 39420 41310 41391 43435 44676 45990 48195 52122 55188 55845 57834 59130 64260 67014 68985 70956 74460 78183 82620 82782 86870 88695 91980 96390 100521 104244 111690 115668 118260 124173 130305 134028 137970 144585 156366 165564 167535 173740 177390 192780 201042 206955 223380 234549 248346 260610 275940 289170 301563 312732 335070 354780 390915 402084 413910 469098 496692 502605 521220 578340 603126 620865 670140 703647 781830 827820 938196 1005210 1172745 1206252 1241730 1407294 1507815 1563660 2010420 2110941 2345490 2483460 2814588 3015630 3518235 4221882 4690980 6031260 7036470 8443764 10554705 14072940 21109410 42218820
• Sum of all divisors σ(n): 162908928
• Sum of proper divisors (its aliquot sum) s(n): 120690108
• 42218820 is an abundant number, because the sum of its proper divisors (120690108) is greater than itself. Its abundance is 78471288

Bases of 42218820

• Binary: 10100001000011010101000100₂
• Hexadecimal: 0x2843544
• Base-36: P4W90

Squares and roots of 42218820

• 42218820 squared (42218820²) is 1782428762192400
• 42218820 cubed (42218820³) is 75252039073823740968000
• The square root of 42218820 is 6497.6010957891
• The cube root of 42218820 is 348.2052890997

Scales and comparisons

• 42,218,820 seconds is equal to 1 year, 17 weeks, 5 days, 15 hours, 27 minutes.
• To count from 1 to 42,218,820 would take you about two years!

  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 42218820 cubic inches would be around 29 feet tall.

Recreational maths with 42218820

• 42218820 backwards is 02881224
• 42218820 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42218820's digits is 27
• More coming soon!