28805180040

Names of 28805180040

• Cardinal: 28805180040 can be written as Twenty-eight billion, eight hundred five million, one hundred eighty thousand and forty.

Scientific notation

• Scientific notation: 2.880518004 × 10¹⁰

Factors of 28805180040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 293123

Divisors of 28805180040

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 27 28 30 35 36 39 40 42 45 52 54 56 60 63 65 70 72 78 84 90 91 104 105 108 117 120 126 130 135 140 156 168 180 182 189 195 210 216 234 252 260 270 273 280 312 315 351 360 364 378 390 420 455 468 504 520 540 546 585 630 702 728 756 780 819 840 910 936 945 1080 1092 1170 1260 1365 1404 1512 1560 1638 1755 1820 1890 2184 2340 2457 2520 2730 2808 3276 3510 3640 3780 4095 4680 4914 5460 6552 7020 7560 8190 9828 10920 12285 14040 16380 19656 24570 32760 49140 98280 293093 586186 879279 1172372 1465465 1758558 2051651 2344744 2637837 2930930 3517116 3810209 4103302 4396395 5275674 5861860 6154953 7034232 7620418 7913511 8206604 8792790 10258255 10551348 11430627 11723720 12309906 13189185 15240836 15827022 16413208 17585580 18464859 19051045 20516510 21102696 22861254 24619812 26378370 26671463 30481672 30774765 31654044 34291881 35171160 36929718 38102090 39567555 41033020 45722508 49239624 52756740 53342926 55394577 57153135 61549530 63308088 68583762 73859436 76204180 79135110 80014389 82066040 91445016 92324295 102875643 105513480 106685852 110789154 114306270 123099060 133357315 137167524 147718872 152408360 158270220 160028778 171459405 184648590 205751286 213371704 221578308 228612540 240043167 246198120 266714630 274335048 276972885 316540440 320057556 342918810 369297180 400071945 411502572 443156616 457225080 480086334 514378215 533429260 553945770 640115112 685837620 720129501 738594360 800143890 823005144 960172668 1028756430 1066858520 1107891540 1200215835 1371675240 1440259002 1600287780 1920345336 2057512860 2215783080 2400431670 2880518004 3200575560 3600647505 4115025720 4800863340 5761036008 7201295010 9601726680 14402590020 28805180040
• Sum of all divisors σ(n): 118175500800
• Sum of proper divisors (its aliquot sum) s(n): 89370320760
• 28805180040 is an abundant number, because the sum of its proper divisors (89370320760) is greater than itself. Its abundance is 60565140720

Bases of 28805180040

• Binary: 11010110100111011000010101010001000₂
• Hexadecimal: 0x6B4EC2A88
• Base-36: D8DUZ60

Squares and roots of 28805180040

• 28805180040 squared (28805180040²) is 829738397136814401600
• 28805180040 cubed (28805180040³) is 23900763915626959350152864064000
• The square root of 28805180040 is 169720.8886377867
• The cube root of 28805180040 is 3065.4214923311

Scales and comparisons

• 28,805,180,040 seconds is equal to 915 years, 47 weeks, 4 days, 6 hours, 54 minutes.
• To count from 1 to 28,805,180,040 would take you about one thousand, eight hundred thirty-one 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 28805180040 cubic inches would be around 255.5 feet tall.

Recreational maths with 28805180040

• 28805180040 backwards is 04008150882
• 28805180040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28805180040's digits is 36
• More coming soon!