81742193353996

Names of 81742193353996

• Cardinal: 81742193353996 can be written as Eighty-one trillion, seven hundred forty-two billion, one hundred ninety-three million, three hundred fifty-three thousand, nine hundred ninety-six.

Scientific notation

• Scientific notation: 8.1742193353996 × 10¹³

Factors of 81742193353996

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19470

Divisors of 81742193353996

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 14 28 97 127 194 254 388 508 679 889 1358 1778 2716 3556 9409 12319 16129 18818 19237 24638 32258 37636 38474 49276 64516 65863 76948 86233 112903 131726 134659 172466 225806 263452 269318 344932 451612 538636 1194943 1564513 1865989 2389886 2443099 3129026 3731978 4779772 4886198 6258052 7463956 8364601 9772396 10951591 13061923 16729202 17101693 21903182 26123846 33458404 34203386 43806364 52247692 68406772 151757761 181000933 236980603 303515522 310273573 362001866 473961206 607031044 620547146 724003732 947922412 1062304327 1241094292 1267006531 1658864221 2124608654 2171915011 2534013062 3317728442 4249217308 4343830022 5068026124 6635456884 8687660044 22987118491 30096536581 45974236982 60193073162 91948473964 120386146324 160909829437 210675756067 321819658874 421351512134 643639317748 842703024268 2919364048357 5838728096714 11677456193428 20435548338499 40871096676998 81742193353996
• Sum of all divisors σ(n): 166506751161072
• Sum of proper divisors (its aliquot sum) s(n): 84764557807076
• 81742193353996 is an abundant number, because the sum of its proper divisors (84764557807076) is greater than itself. Its abundance is 3022364453080

Bases of 81742193353996

• Binary: 10010100101100000010110011001011110010100001100₂
• Hexadecimal: 0x4A581665E50C
• Base-36: SZ3UFEH3G

Squares and roots of 81742193353996

• 81742193353996 squared (81742193353996²) is 6681786174322067831769168016
• 81742193353996 cubed (81742193353996³) is 546183857411491691428881587588257488991936
• The square root of 81742193353996 is 9041138.9411951855
• The cube root of 81742193353996 is 43399.2371322079

Scales and comparisons

• 81,742,193,353,996 seconds is equal to 2,599,148 years, 46 weeks, 6 days, 20 hours, 33 minutes, 16 seconds.
• To count from 1 to 81,742,193,353,996 would take you about six million, four hundred ninety-seven thousand, eight hundred seventy-two 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 81742193353996 cubic inches would be around 3616.6 feet tall.

Recreational maths with 81742193353996

• 81742193353996 backwards is 69935339124718
• The number of decimal digits it has is: 14
• The sum of 81742193353996's digits is 70
• More coming soon!