18004781974464

Names of 18004781974464

• Cardinal: 18004781974464 can be written as Eighteen trillion, four billion, seven hundred eighty-one million, nine hundred seventy-four thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8004781974464 × 10¹³

Factors of 18004781974464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3477

Divisors of 18004781974464

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 101 108 144 162 192 202 216 288 303 324 404 432 576 606 648 808 864 909 1212 1296 1616 1728 1818 2424 2592 2727 3232 3371 3636 4848 5184 5454 6464 6742 7272 8181 9696 10113 10201 10908 13484 14544 16362 19392 20226 20402 21816 26968 29088 30339 30603 32724 40452 40804 43632 53936 58176 60678 61206 65448 80904 81608 87264 91017 91809 107872 121356 122412 130896 161808 163216 174528 182034 183618 215744 242712 244824 261792 273051 275427 323616 326432 340471 364068 367236 485424 489648 523584 546102 550854 647232 652864 680942 728136 734472 826281 970848 979296 1021413 1030301 1092204 1101708 1361884 1456272 1468944 1652562 1941696 1958592 2042826 2060602 2184408 2203416 2723768 2912544 2937888 3064239 3090903 3305124 4085652 4121204 4368816 4406832 5447536 5825088 5875776 6128478 6181806 6610248 8171304 8242408 8737632 8813664 9192717 9272709 10895072 12256956 12363612 13220496 16342608 16484816 17475264 17627328 18385434 18545418 21790144 24513912 24727224 26440992 27578151 27818127 32685216 32969632 34387571 36770868 37090836 49027824 49454448 52881984 55156302 55636254 65370432 65939264 68775142 73541736 74181672 83454381 98055648 98908896 103162713 110312604 111272508 137550284 147083472 148363344 166908762 196111296 197817792 206325426 220625208 222545016 275100568 294166944 296726688 309488139 333817524 412650852 441250416 445090032 550201136 588333888 593453376 618976278 667635048 825301704 882500832 890180064 928464417 1100402272 1237952556 1335270096 1650603408 1765001664 1780360128 1856928834 2200804544 2475905112 2670540192 2785393251 3301206816 3473144671 3713857668 4951810224 5341080384 5570786502 6602413632 6946289342 7427715336 9903620448 10419434013 11141573004 13892578684 14855430672 19807240896 20838868026 22283146008 27785157368 29710861344 31258302039 41677736052 44566292016 55570314736 59421722688 62516604078 83355472104 89132584032 93774906117 111140629472 125033208156 166710944208 178265168064 187549812234 222281258944 250066416312 281324718351 333421888416 375099624468 500132832624 562649436702 666843776832 750199248936 1000265665248 1125298873404 1500398497872 2000531330496 2250597746808 3000796995744 4501195493616 6001593991488 9002390987232 18004781974464
• Sum of all divisors σ(n): 53921522744496
• Sum of proper divisors (its aliquot sum) s(n): 35916740770032
• 18004781974464 is an abundant number, because the sum of its proper divisors (35916740770032) is greater than itself. Its abundance is 17911958795568

Bases of 18004781974464

• Binary: 100000110000000010000101000100100001111000000₂
• Hexadecimal: 0x106010A243C0
• Base-36: 6DRA6BG00

Squares and roots of 18004781974464

• 18004781974464 squared (18004781974464²) is 324172173947983774348087296
• 18004781974464 cubed (18004781974464³) is 5836649314121466562738790219696714809344
• The square root of 18004781974464 is 4243204.2107897659
• The cube root of 18004781974464 is 26209.7345363087

Scales and comparisons

• 18,004,781,974,464 seconds is equal to 572,496 years, 19 weeks, 3 days, 6 hours, 14 minutes, 24 seconds.
• To count from 1 to 18,004,781,974,464 would take you about one million, four hundred thirty-one thousand, two hundred forty 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 18004781974464 cubic inches would be around 2184.1 feet tall.

Recreational maths with 18004781974464

• 18004781974464 backwards is 46447918740081
• The number of decimal digits it has is: 14
• The sum of 18004781974464's digits is 63
• More coming soon!