18643623313168

Names of 18643623313168

• Cardinal: 18643623313168 can be written as Eighteen trillion, six hundred forty-three billion, six hundred twenty-three million, three hundred thirteen thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8643623313168 × 10¹³

Factors of 18643623313168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 208

Divisors of 18643623313168

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 7 8 14 16 17 19 28 34 38 49 56 68 76 98 112 119 133 136 152 163 196 238 266 272 289 304 323 326 392 476 532 578 646 652 784 833 931 952 1064 1141 1156 1292 1304 1666 1862 1904 2023 2128 2261 2282 2312 2584 2608 2771 3097 3332 3724 4046 4522 4564 4624 5168 5491 5542 6194 6664 7448 7987 8092 9044 9128 10982 11084 12388 13328 14161 14896 15827 15974 16184 18088 18256 19397 21679 21964 22168 24776 26569 28322 31654 31948 32368 36176 38437 38794 43358 43928 44336 47107 49552 52649 53138 56644 63308 63896 76874 77588 86716 87856 94214 105298 106276 113288 126616 127792 135779 151753 153748 155176 173432 185983 188428 210596 212552 226576 253232 269059 271558 303506 307496 310352 329749 346864 368543 371966 376856 421192 425104 451673 504811 538118 543116 607012 614992 659498 737086 743932 753712 842384 895033 903346 1009622 1076236 1086232 1214024 1301881 1318996 1474172 1487864 1790066 1806692 2019244 2152472 2172464 2308243 2428048 2579801 2603762 2637992 2948344 2975728 3161711 3533677 3580132 3613384 4038488 4304944 4330747 4616486 5159602 5207524 5275984 5896688 6265231 6323422 7067354 7160264 7226768 7678441 8076976 8581787 8661494 9232972 10319204 10415048 12530462 12646844 14134708 14320528 15356882 17163574 17322988 18465944 20638408 20830096 22131977 24735739 25060924 25293688 28269416 30315229 30713764 34327148 34645976 36931888 41276816 43856617 44263954 49471478 50121848 50587376 53749087 56538832 60072509 60630458 61427528 68654296 69291952 73622699 82284193 87713234 88527908 98942956 100243696 107498174 120145018 121260916 122855056 137308592 145890379 147245398 164568386 175426468 177055816 197885912 212206603 214996348 240290036 242521832 291780758 294490796 329136772 350852936 354111632 376243609 395771824 420507563 424413206 429992696 480580072 485043664 515358893 575989351 583561516 588981592 658273544 701705872 752487218 841015126 848826412 859985392 961160144 1021232653 1030717786 1151978702 1167123032 1177963184 1251585883 1316547088 1398831281 1504974436 1682030252 1697652824 2042465306 2061435572 2303957404 2334246064 2503171766 2797662562 3009948872 3364060504 3395305648 3607512251 4031925457 4084930612 4122871144 4607914808 5006343532 5595325124 6019897744 6728121008 7148628571 7215024502 8063850914 8169861224 8245742288 8761101181 9215829616 9791818967 10012687064 11190650248 14297257142 14430049004 16127701828 16339722448 17522202362 19583637934 20025374128 22381300496 23780131777 28594514284 28860098008 32255403656 35044404724 39167275868 47560263554 57189028568 57720196016 61327708267 64510807312 68542732769 70088809448 78334551736 95120527108 114378057136 122655416534 137085465538 140177618896 156669103472 166460922439 190241054216 245310833068 274170931076 332921844878 380482108432 490621666136 548341862152 665843689756 981243332272 1096683724304 1165226457073 1331687379512 2330452914146 2663374759024 4660905828292 9321811656584 18643623313168
• Sum of all divisors σ(n): 47275956362400
• Sum of proper divisors (its aliquot sum) s(n): 28632333049232
• 18643623313168 is an abundant number, because the sum of its proper divisors (28632333049232) is greater than itself. Its abundance is 9988709736064

Bases of 18643623313168

• Binary: 100001111010011001110100010110111111100010000₂
• Hexadecimal: 0x10F4CE8B7F10
• Base-36: 6LWRFYFPS

Squares and roots of 18643623313168

• 18643623313168 squared (18643623313168²) is 347584690243301353402196224
• 18643623313168 cubed (18643623313168³) is 6480238034320290982334512014538539077632
• The square root of 18643623313168 is 4317826.2254481711
• The cube root of 18643623313168 is 26516.1279838993

Scales and comparisons

• 18,643,623,313,168 seconds is equal to 592,809 years, 28 weeks, 5 days, 5 hours, 39 minutes, 28 seconds.
• To count from 1 to 18,643,623,313,168 would take you about one million, four hundred eighty-two thousand and twenty-three 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 18643623313168 cubic inches would be around 2209.7 feet tall.

Recreational maths with 18643623313168

• 18643623313168 backwards is 86131332634681
• The number of decimal digits it has is: 14
• The sum of 18643623313168's digits is 55
• More coming soon!