13618728487678864

Names of 13618728487678864

• Cardinal: 13618728487678864 can be written as Thirteen quadrillion, six hundred eighteen trillion, seven hundred twenty-eight billion, four hundred eighty-seven million, six hundred seventy-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.3618728487678864 × 10¹⁶

Factors of 13618728487678864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 56491

Divisors of 13618728487678864

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 4 8 11 16 22 44 47 88 94 121 176 188 242 376 484 517 752 968 1034 1936 2068 2209 4136 4418 5687 8272 8836 11374 17672 22748 24299 35344 45496 48598 56431 90992 97196 112862 194392 225724 267289 388784 451448 534578 620741 902896 1069156 1241482 2138312 2482964 2652257 4276624 4965928 5304514 6828151 9931856 10609028 13656302 21218056 27312604 29174827 42436112 54625208 58349654 109250416 116699308 124656079 233398616 249312158 320923097 466797232 498624316 641846194 997248632 1283692388 1371216869 1994497264 2567384776 2742433738 3184457761 5134769552 5484867476 6368915522 10969734952 12737831044 15083385559 21939469904 25475662088 30166771118 35029035371 50951324176 60333542236 70058070742 120667084472 140116141484 149669514767 241334168944 280232282968 299339029534 385319389081 560464565936 598678059068 770638778162 1197356118136 1541277556324 1646364662437 2394712236272 3082555112648 3292729324874 6165110225296 6585458649748 7034467194049 13170917299496 14068934388098 18110011286807 26341834598992 28137868776196 36220022573614 56275737552392 72440045147228 77379139134539 112551475104784 144880090294456 154758278269078 289760180588912 309516556538156 619033113076312 851170530479929 1238066226152624 1702341060959858 3404682121919716 6809364243839432 13618728487678864
• Sum of all divisors σ(n): 29633850304036923
• Sum of proper divisors (its aliquot sum) s(n): 16015121816358059
• 13618728487678864 is an abundant number, because the sum of its proper divisors (16015121816358059) is greater than itself. Its abundance is 2396393328679195

Bases of 13618728487678864

• Binary: 110000011000100010100101010001110011001111001110010000₂
• Hexadecimal: 0x30622951CCF390
• Base-36: 3Q3FPHWEX74

Squares and roots of 13618728487678864

• 13618728487678864 squared (13618728487678864²) is 185469765621115838160658392330496
• 13618728487678864 cubed (13618728487678864³) is 2525862380667412260854053312664045392890601836544
• 13618728487678864 is a perfect square number. Its square root is 116699308
• The cube root of 13618728487678864 is 238806.1574186139

Scales and comparisons

• 13,618,728,487,678,864 seconds is equal to 433,033,440 years, 21 weeks, 4 days, 2 hours, 21 minutes, 4 seconds.
• To count from 1 to 13,618,728,487,678,864 would take you about one billion, two hundred ninety-nine million, one hundred thousand, three hundred twenty-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 13618728487678864 cubic inches would be around 19900.5 feet tall.

Recreational maths with 13618728487678864

• 13618728487678864 backwards is 46887678482781631
• 13618728487678864 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 13618728487678864's digits is 94
• More coming soon!