18110820

Names of 18110820

• Cardinal: 18110820 can be written as Eighteen million, one hundred ten thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.811082 × 10⁷

Factors of 18110820

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 168

Divisors of 18110820

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 31 35 39 42 52 60 62 65 70 78 84 91 93 105 107 124 130 140 155 156 182 186 195 210 214 217 260 273 310 321 364 372 390 403 420 428 434 455 465 535 546 620 642 651 749 780 806 868 910 930 1070 1085 1092 1209 1284 1302 1365 1391 1498 1605 1612 1820 1860 2015 2140 2170 2247 2418 2604 2730 2782 2821 2996 3210 3255 3317 3745 4030 4173 4340 4494 4836 5460 5564 5642 6045 6420 6510 6634 6955 7490 8060 8346 8463 8988 9737 9951 11235 11284 12090 13020 13268 13910 14105 14980 16585 16692 16926 19474 19902 20865 22470 23219 24180 27820 28210 29211 33170 33852 38948 39804 41730 42315 43121 44940 46438 48685 49755 56420 58422 66340 69657 83460 84630 86242 92876 97370 99510 116095 116844 129363 139314 146055 169260 172484 194740 199020 215605 232190 258726 278628 292110 301847 348285 431210 464380 517452 584220 603694 646815 696570 862420 905541 1207388 1293630 1393140 1509235 1811082 2587260 3018470 3622164 4527705 6036940 9055410 18110820
• Sum of all divisors σ(n): 65028096
• Sum of proper divisors (its aliquot sum) s(n): 46917276
• 18110820 is an abundant number, because the sum of its proper divisors (46917276) is greater than itself. Its abundance is 28806456

Bases of 18110820

• Binary: 1000101000101100101100100₂
• Hexadecimal: 0x1145964
• Base-36: AS6EC

Squares and roots of 18110820

• 18110820 squared (18110820²) is 328001801072400
• 18110820 cubed (18110820³) is 5940381578898043368000
• The square root of 18110820 is 4255.6809090909
• The cube root of 18110820 is 262.6108737979

Scales and comparisons

• 18,110,820 seconds is equal to 29 weeks, 6 days, 14 hours, 47 minutes.
• To count from 1 to 18,110,820 would take you about forty-four 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 18110820 cubic inches would be around 21.9 feet tall.

Recreational maths with 18110820

• 18110820 backwards is 02801181
• 18110820 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18110820's digits is 21
• More coming soon!