18219325824

Names of 18219325824

• Cardinal: 18219325824 can be written as Eighteen billion, two hundred nineteen million, three hundred twenty-five thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.8219325824 × 10¹⁰

Factors of 18219325824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 953

Divisors of 18219325824

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 128 144 147 168 192 196 224 252 288 294 336 343 384 392 441 448 504 576 588 672 686 784 882 896 941 1008 1029 1152 1176 1344 1372 1568 1764 1882 2016 2058 2352 2401 2688 2744 2823 3087 3136 3528 3764 4032 4116 4704 4802 5488 5646 6174 6272 6587 7056 7203 7528 8064 8232 8469 9408 9604 10976 11292 12348 13174 14112 14406 15056 16464 16807 16938 18816 19208 19761 21609 21952 22584 24696 26348 28224 28812 30112 32928 33614 33876 38416 39522 43218 43904 45168 46109 49392 50421 52696 56448 57624 59283 60224 65856 67228 67752 76832 79044 86436 90336 92218 98784 100842 105392 115248 118566 120448 131712 134456 135504 138327 151263 153664 158088 172872 180672 184436 197568 201684 210784 230496 237132 268912 271008 276654 302526 307328 316176 322763 345744 361344 368872 395136 403368 414981 421568 460992 474264 537824 542016 553308 605052 632352 645526 691488 737744 806736 829962 843136 921984 948528 968289 1075648 1084032 1106616 1210104 1264704 1291052 1382976 1475488 1613472 1659924 1897056 1936578 2151296 2213232 2259341 2420208 2529408 2582104 2765952 2904867 2950976 3226944 3319848 3794112 3873156 4426464 4518682 4840416 5164208 5809734 5901952 6453888 6639696 6778023 7588224 7746312 8852928 9037364 9680832 10328416 11619468 13279392 13556046 15492624 15815387 17705856 18074728 19361664 20334069 20656832 23238936 26558784 27112092 30985248 31630774 36149456 40668138 41313664 46477872 47446161 53117568 54224184 61970496 63261548 72298912 81336276 92955744 94892322 108448368 123940992 126523096 142338483 144597824 162672552 185911488 189784644 216896736 253046192 284676966 289195648 325345104 371822976 379569288 433793472 506092384 569353932 650690208 759138576 867586944 1012184768 1138707864 1301380416 1518277152 2024369536 2277415728 2602760832 3036554304 4554831456 6073108608 9109662912 18219325824
• Sum of all divisors σ(n): 61230489840
• Sum of proper divisors (its aliquot sum) s(n): 43011164016
• 18219325824 is an abundant number, because the sum of its proper divisors (43011164016) is greater than itself. Its abundance is 24791838192

Bases of 18219325824

• Binary: 10000111101111101001101100110000000₂
• Hexadecimal: 0x43DF4D980
• Base-36: 8DBBDS0

Squares and roots of 18219325824

• 18219325824 squared (18219325824²) is 331943833481073278976
• 18219325824 cubed (18219325824³) is 6047792857459274206883793076224
• The square root of 18219325824 is 134978.9828973385
• The cube root of 18219325824 is 2631.3428267221

Scales and comparisons

• 18,219,325,824 seconds is equal to 579 years, 16 weeks, 3 days, 19 hours, 50 minutes, 24 seconds.
• To count from 1 to 18,219,325,824 would take you about one thousand, one hundred fifty-eight 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 18219325824 cubic inches would be around 219.3 feet tall.

Recreational maths with 18219325824

• 18219325824 backwards is 42852391281
• The number of decimal digits it has is: 11
• The sum of 18219325824's digits is 45
• More coming soon!