81768148838012

Names of 81768148838012

• Cardinal: 81768148838012 can be written as Eighty-one trillion, seven hundred sixty-eight billion, one hundred forty-eight million, eight hundred thirty-eight thousand and twelve.

Scientific notation

• Scientific notation: 8.1768148838012 × 10¹³

Factors of 81768148838012

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 88985

Divisors of 81768148838012

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 13 14 19 26 28 38 49 52 76 91 98 133 182 196 247 266 343 364 494 532 637 686 931 988 1274 1372 1729 1862 2548 2801 3458 3724 4459 5602 6517 6916 8918 11204 12103 13034 17836 19607 24206 26068 36413 39214 48412 53219 72826 78428 84721 86143 106438 137249 145652 169442 172286 212876 254891 274498 338884 344572 372533 509782 548996 603001 691847 745066 960743 1019564 1119859 1206002 1383694 1490132 1636717 1784237 1921486 2239718 2412004 2607731 2767388 3273434 3568474 3842972 4221007 4479436 4842929 5215462 6546868 7136948 7839013 8442014 9685858 10430924 11457019 12489659 15678026 16884028 18254117 19371716 21277321 22914038 24979318 29547049 31356052 33900503 36508234 42554642 45828076 49958636 54873091 59094098 67801006 73016468 80199133 85109284 109746182 118188196 135602012 148941247 160398266 219492364 237303521 241286543 297882494 320796532 384111637 474607042 482573086 561393931 595764988 768223274 949214084 965146172 1042588729 1122787862 1536446548 1689005801 2085177458 2245575724 3136725059 3378011602 4170354916 4584444317 6273450118 6756023204 7298121103 9168888634 11823040607 12546900236 14596242206 18337777268 21957075413 23646081214 29192484412 32091110219 43914150826 47292162428 59597776121 64182220438 82761284249 87828301652 119195552242 128364440876 153699527891 165522568498 224637771533 238391104484 307399055782 331045136996 417184432847 449275543066 614798111564 834368865694 898551086132 1075896695237 1572464400731 1668737731388 2151793390474 2920291029929 3144928801462 4303586780948 5840582059858 6289857602924 11681164119716 20442037209503 40884074419006 81768148838012
• Sum of all divisors σ(n): 189238382592000
• Sum of proper divisors (its aliquot sum) s(n): 107470233753988
• 81768148838012 is an abundant number, because the sum of its proper divisors (107470233753988) is greater than itself. Its abundance is 25702084915976

Bases of 81768148838012

• Binary: 10010100101111000100001011101110010011001111100₂
• Hexadecimal: 0x4A5E2177267C
• Base-36: SZFROMKQK

Squares and roots of 81768148838012

• 81768148838012 squared (81768148838012²) is 6686030164395283185816112144
• 81768148838012 cubed (81768148838012³) is 546704309617711356164943411687321082017728
• The square root of 81768148838012 is 9042574.2373514413
• The cube root of 81768148838012 is 43403.8301457381

Scales and comparisons

• 81,768,148,838,012 seconds is equal to 2,599,974 years, 10 weeks, 5 days, 13 hours, 13 minutes, 32 seconds.
• To count from 1 to 81,768,148,838,012 would take you about six million, four hundred ninety-nine thousand, nine hundred thirty-five 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 81768148838012 cubic inches would be around 3617 feet tall.

Recreational maths with 81768148838012

• 81768148838012 backwards is 21083884186718
• The number of decimal digits it has is: 14
• The sum of 81768148838012's digits is 65
• More coming soon!