31997142147971

Names of 31997142147971

• Cardinal: 31997142147971 can be written as Thirty-one trillion, nine hundred ninety-seven billion, one hundred forty-two million, one hundred forty-seven thousand, nine hundred seventy-one.

Scientific notation

• Scientific notation: 3.1997142147971 × 10¹³

Factors of 31997142147971

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 969

Divisors of 31997142147971

• Number of divisors d(n): 192
• Complete list of divisors:
  1 7 11 13 31 49 77 91 143 169 217 341 403 539 637 907 961 1001 1183 1519 1859 2197 2387 2821 4433 5239 6349 6727 7007 8281 9977 10571 11791 12493 13013 15379 16709 19747 24167 28117 29791 31031 36673 44443 47089 57629 68107 69839 73997 82537 87451 91091 107653 129701 137423 153283 162409 169169 196819 208537 217217 256711 309287 327701 365521 387283 403403 476749 488873 517979 577759 612157 749177 871627 907907 961961 1072981 1136863 1184183 1377733 1459759 1686113 1786499 1992679 2111317 2165009 2293907 2558647 2710981 2823821 3337243 4020731 4260113 4751773 5034679 5244239 6101389 6355349 6733727 7510867 7958041 9587897 11331151 11802791 12505493 13948753 14779219 15155063 16057349 17910529 18976867 21919469 23224487 27020437 28145117 29820791 33262411 35242753 36709673 42709723 52269503 55381469 61773049 65450827 67115279 79318057 82619537 87538451 97641271 103454533 124642661 147304963 153436283 162571409 189143059 197015819 208745537 232836877 246699271 297224807 351265681 365886521 387670283 432411343 458155789 469806953 555226399 679503539 719959097 872498627 1031134741 1074053981 1137999863 1324001413 1620354593 1914964519 2080573649 2458859767 2561205647 2713691981 3026879401 3207090523 3863922491 4566453853 4756524773 5039713679 6107490389 7217943187 11342482151 13404751633 14564015543 17212018369 21064609709 27047457437 31965176971 33295673411 35277995753 50230992383 59363900089 79397375057 93833261431 147452267963 189332202059 223756238797 351616946681 415547300623 653002900979 1032165875741 2461318626767 2908831104361 4571020306853 31997142147971
• Sum of all divisors σ(n): 45503411466240
• Sum of proper divisors (its aliquot sum) s(n): 13506269318269
• 31997142147971 is a deficient number, because the sum of its proper divisors (13506269318269) is less than itself. Its deficiency is 18490872829702

Bases of 31997142147971

• Binary: 111010001100111101010010010101010001110000011₂
• Hexadecimal: 0x1D19EA4AA383
• Base-36: BCBA8AJYB

Squares and roots of 31997142147971

• 31997142147971 squared (31997142147971²) is 1023817105637462219659416841
• 31997142147971 cubed (31997142147971³) is 32759221462606120100358474403891991379611
• The square root of 31997142147971 is 5656601.6430336509
• The cube root of 31997142147971 is 31747.0758951195

Scales and comparisons

• 31,997,142,147,971 seconds is equal to 1,017,410 years, 7 weeks, 4 days, 9 hours, 6 minutes, 11 seconds.
• To count from 1 to 31,997,142,147,971 would take you about two million, five hundred forty-three thousand, five hundred twenty-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 31997142147971 cubic inches would be around 2645.6 feet tall.

Recreational maths with 31997142147971

• 31997142147971 backwards is 17974124179913
• The number of decimal digits it has is: 14
• The sum of 31997142147971's digits is 65
• More coming soon!