31991683716021

Names of 31991683716021

• Cardinal: 31991683716021 can be written as Thirty-one trillion, nine hundred ninety-one billion, six hundred eighty-three million, seven hundred sixteen thousand and twenty-one.

Scientific notation

• Scientific notation: 3.1991683716021 × 10¹³

Factors of 31991683716021

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 256

Divisors of 31991683716021

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 19 29 31 37 57 87 93 111 137 411 551 589 703 841 899 961 1073 1147 1653 1767 2109 2523 2603 2697 2883 3219 3441 3973 4247 5069 7809 11919 12741 15207 15979 17081 18259 18769 20387 21793 26071 27869 31117 33263 35557 47937 51243 54777 56307 61161 65379 75487 78213 80693 83607 93351 96311 99789 106671 115217 123163 131657 147001 157139 226461 242079 288933 345651 356611 369489 394971 441003 471417 495349 529511 544301 581839 591223 631997 675583 694453 808201 964627 1031153 1069833 1486047 1588533 1632903 1745517 1773669 1895991 2026749 2083359 2189123 2340097 2424603 2501483 2793019 2893881 2985641 3093459 3571727 3818053 4263029 4557031 4871309 6567369 7020291 7504449 8379057 8956923 10341719 10715181 11054941 11454159 12789087 13194607 13671093 14613927 15355819 15784729 16873331 18037009 18327913 19591907 20139137 21528043 29903437 31025157 33164823 39583821 46067457 47354187 50619993 54111027 54983739 58775721 60417411 64584129 67862813 72543007 80997551 86583589 89710311 92554871 110723537 132153899 141267961 203588439 217629021 242992653 259750767 277664613 299909851 320593289 332170611 342703171 382643603 396461697 409032817 423803883 489326599 523073261 568165303 584034973 624313247 667369333 899729553 961779867 1028109513 1147930809 1227098451 1467979797 1569219783 1704495909 1752104919 1872939741 2002107999 2103747203 2510924081 2684091259 4096770869 6311241609 7532772243 8052273777 9297205381 9938391959 11096664487 11861951693 12290312607 12680017327 15169124569 18105084163 19353710657 27891616143 29815175877 33289993461 35585855079 38040051981 45507373707 54315252489 58061131971 77838646511 233515939533 288213366811 343996599097 367720502483 561257609053 864640100433 1031989797291 1103161507449 1683772827159 10663894572007 31991683716021
• Sum of all divisors σ(n): 49712271903840
• Sum of proper divisors (its aliquot sum) s(n): 17720588187819
• 31991683716021 is a deficient number, because the sum of its proper divisors (17720588187819) is less than itself. Its deficiency is 14271095528202

Bases of 31991683716021

• Binary: 111010001100010100100111100011001001110110101₂
• Hexadecimal: 0x1D18A4F193B5
• Base-36: BC8RYHEWL

Squares and roots of 31991683716021

• 31991683716021 squared (31991683716021²) is 1023467826985923219372072441
• 31991683716021 cubed (31991683716021³) is 32742459014456958042778530043518884277261
• The square root of 31991683716021 is 5656119.1391289665
• The cube root of 31991683716021 is 31745.2705348429

Scales and comparisons

• 31,991,683,716,021 seconds is equal to 1,017,236 years, 30 weeks, 3 days, 2 hours, 21 seconds.
• To count from 1 to 31,991,683,716,021 would take you about two million, five hundred forty-three thousand and ninety-one 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 31991683716021 cubic inches would be around 2645.4 feet tall.

Recreational maths with 31991683716021

• 31991683716021 backwards is 12061738619913
• 31991683716021 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31991683716021's digits is 57
• More coming soon!