820197999907

Names of 820197999907

• Cardinal: 820197999907 can be written as Eight hundred twenty billion, one hundred ninety-seven million, nine hundred ninety-nine thousand, nine hundred seven.

Scientific notation

• Scientific notation: 8.20197999907 × 10¹¹

Factors of 820197999907

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 109

Divisors of 820197999907

• Number of divisors d(n): 180
• Complete list of divisors:
  1 11 13 17 31 37 121 143 169 187 221 289 341 403 407 481 527 629 1147 1331 1573 1859 2057 2431 2873 3179 3751 3757 4433 4477 5239 5291 5797 6253 6851 6919 8177 8959 10693 12617 14641 14911 17303 19499 20449 22627 26741 31603 34969 41261 41327 48763 48841 49247 57629 58201 63767 68783 75361 76109 89063 89947 98549 106301 116467 117623 138787 139009 164021 190333 193843 214489 224939 248897 253487 294151 331483 347633 384659 453871 454597 536393 537251 541717 633919 640211 701437 756613 828971 837199 979693 989417 1084039 1169311 1281137 1293853 1514071 1526657 1529099 1804231 1807117 2132273 2359379 2474329 2788357 3235661 3295331 3646313 3823963 4231249 4309279 5000567 5900323 5909761 6973109 7042321 7715807 8322743 9118681 9209189 10776623 10883587 11924429 12862421 14092507 14232383 16654781 16793227 16820089 19846541 19878287 23455003 25953169 30671927 36248641 40109443 42063593 47402069 55006237 56020627 65007371 76704199 91550173 100305491 118542853 119719457 131168719 141486631 155017577 156556213 183202591 185020979 218311951 218661157 258005033 285484859 337391197 398735051 441203873 521422759 616226897 715081081 1303971383 1556352941 1705193347 2015228501 2035230769 2405272727 2838055363 3711303167 4386085561 4853242603 5735650349 6778495867 22167513511 26457999997 48246941171 63092153839 74563454537 820197999907
• Sum of all divisors σ(n): 1100230726080
• Sum of proper divisors (its aliquot sum) s(n): 280032726173
• 820197999907 is a deficient number, because the sum of its proper divisors (280032726173) is less than itself. Its deficiency is 540165273734

Bases of 820197999907

• Binary: 1011111011110111100111000100010100100011₂
• Hexadecimal: 0xBEF79C4523
• Base-36: AGSKPN37

Squares and roots of 820197999907

• 820197999907 squared (820197999907²) is 672724759051443172008649
• 820197999907 cubed (820197999907³) is 551767501861912184203365677505195643
• The square root of 820197999907 is 905647.8343743775
• The cube root of 820197999907 is 9360.6549200949

Scales and comparisons

• 820,197,999,907 seconds is equal to 26,079 years, 39 weeks, 3 days, 9 hours, 45 minutes, 7 seconds.
• To count from 1 to 820,197,999,907 would take you about fifty-two thousand, one hundred fifty-nine 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 820197999907 cubic inches would be around 780.1 feet tall.

Recreational maths with 820197999907

• 820197999907 backwards is 709999791028
• The number of decimal digits it has is: 12
• The sum of 820197999907's digits is 70
• More coming soon!