2155313968990

Names of 2155313968990

• Cardinal: 2155313968990 can be written as Two trillion, one hundred fifty-five billion, three hundred thirteen million, nine hundred sixty-eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.15531396899 × 10¹²

Factors of 2155313968990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1255

Divisors of 2155313968990

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 41 65 70 82 91 130 182 205 287 410 455 533 574 910 1066 1187 1435 1681 2374 2665 2870 3362 3731 5330 5935 7462 8309 8405 11767 11870 15431 16618 16810 18655 21853 23534 30862 37310 41545 43706 48667 58835 77155 83090 97334 108017 109265 117670 152971 154310 216034 218530 243335 305942 340669 486670 540085 632671 681338 764855 1080170 1265342 1408969 1529710 1703345 1995347 2817938 3163355 3406690 3990694 4428697 6326710 7044845 8857394 9862783 9976735 13967429 14089690 18316597 19725566 19953470 22143485 25939511 27934858 36633194 44286970 49313915 51879022 57767729 69837145 91582985 98627830 115535458 128216179 129697555 139674290 181576577 183165970 256432358 259395110 288838645 363153154 404374103 577677290 641080895 750980477 808748206 907882885 1282161790 1501960954 1815765770 2021870515 2368476889 3754902385 4043741030 4736953778 5256863339 7509804770 10513726678 11842384445 16579338223 23684768890 26284316695 30790199557 33158676446 52568633390 61580399114 82896691115 153950997785 165793382230 215531396899 307901995570 431062793798 1077656984495 2155313968990
• Sum of all divisors σ(n): 4898276230176
• Sum of proper divisors (its aliquot sum) s(n): 2742962261186
• 2155313968990 is an abundant number, because the sum of its proper divisors (2742962261186) is greater than itself. Its abundance is 587648292196

Bases of 2155313968990

• Binary: 11111010111010010101110010011011101011110₂
• Hexadecimal: 0x1F5D2B9375E
• Base-36: RI4YADZY

Squares and roots of 2155313968990

• 2155313968990 squared (2155313968990²) is 4645378304923426681620100
• 2155313968990 cubed (2155313968990³) is 10012248751844549219193882814360699000
• The square root of 2155313968990 is 1468098.7599579259
• The cube root of 2155313968990 is 12917.2534574615

Scales and comparisons

• 2,155,313,968,990 seconds is equal to 68,532 years, 16 weeks, 3 days, 12 hours, 43 minutes, 10 seconds.
• To count from 1 to 2,155,313,968,990 would take you about one hundred seventy-one thousand, three hundred thirty 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 2155313968990 cubic inches would be around 1076.4 feet tall.

Recreational maths with 2155313968990

• 2155313968990 backwards is 0998693135512
• The number of decimal digits it has is: 13
• The sum of 2155313968990's digits is 61
• More coming soon!