18979317549808

Names of 18979317549808

• Cardinal: 18979317549808 can be written as Eighteen trillion, nine hundred seventy-nine billion, three hundred seventeen million, five hundred forty-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8979317549808 × 10¹³

Factors of 18979317549808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 37443

Divisors of 18979317549808

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 121 154 176 242 308 484 616 847 968 1232 1694 1936 3388 6776 13552 37423 74846 149692 261961 299384 411653 523922 598768 823306 1047844 1646612 2095688 2881571 3293224 4191376 4528183 5763142 6586448 9056366 11526284 18112732 23052568 31697281 36225464 46105136 63394562 72450928 126789124 253578248 507156496 1400480929 2800961858 5601923716 9803366503 11203847432 15405290219 19606733006 22407694864 30810580438 39213466012 61621160876 78426932024 107837031533 123242321752 156853864048 169458192409 215674063066 246484643504 338916384818 431348126132 677832769636 862696252264 1186207346863 1355665539272 1725392504528 2372414693726 2711331078544 4744829387452 9489658774904 18979317549808
• Sum of all divisors σ(n): 46194697355352
• Sum of proper divisors (its aliquot sum) s(n): 27215379805544
• 18979317549808 is an abundant number, because the sum of its proper divisors (27215379805544) is greater than itself. Its abundance is 8236062255736

Bases of 18979317549808

• Binary: 100010100001011110111011110110000101011110000₂
• Hexadecimal: 0x1142F77B0AF0
• Base-36: 6Q6Z7MYGG

Squares and roots of 18979317549808

• 18979317549808 squared (18979317549808²) is 360214494656449944560836864
• 18979317549808 cubed (18979317549808³) is 6836625280128380470525979746246482522112
• The square root of 18979317549808 is 4356525.8578146877
• The cube root of 18979317549808 is 26674.3306764001

Scales and comparisons

• 18,979,317,549,808 seconds is equal to 603,483 years, 30 weeks, 5 days, 4 hours, 43 minutes, 28 seconds.
• To count from 1 to 18,979,317,549,808 would take you about one million, five hundred eight thousand, seven hundred 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 18979317549808 cubic inches would be around 2222.9 feet tall.

Recreational maths with 18979317549808

• 18979317549808 backwards is 80894571397981
• The number of decimal digits it has is: 14
• The sum of 18979317549808's digits is 79
• More coming soon!