31990935538809

Names of 31990935538809

• Cardinal: 31990935538809 can be written as Thirty-one trillion, nine hundred ninety billion, nine hundred thirty-five million, five hundred thirty-eight thousand, eight hundred nine.

Scientific notation

• Scientific notation: 3.1990935538809 × 10¹³

Factors of 31990935538809

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 501

Divisors of 31990935538809

• Number of divisors d(n): 243
• Complete list of divisors:
  1 3 9 13 17 19 39 51 57 117 153 169 171 221 247 289 323 361 449 507 663 741 867 969 1083 1347 1521 1989 2223 2601 2873 2907 3211 3249 3757 4041 4199 4693 5491 5837 6137 7633 8531 8619 9633 11271 12597 14079 16473 17511 18411 22899 25593 25857 28899 33813 37791 42237 48841 49419 52533 54587 55233 61009 68697 71383 75881 76779 79781 99229 104329 110903 129761 145027 146523 162089 163761 183027 201601 214149 227643 239343 297687 312987 332709 389283 435081 439569 486267 491283 549081 604803 642447 682929 718029 893061 927979 938961 998127 1037153 1167849 1289977 1305243 1356277 1441739 1458801 1686893 1814409 1885351 2107157 2465459 2620813 2755513 2783937 3111459 3427217 3830419 3869931 4068831 4325217 5060679 5656053 6321471 7396377 7862439 8266539 8351811 9334377 10281651 11491257 11609793 12206493 12975651 15182037 16968159 17631601 18964413 21929609 22189131 23587317 24509563 24799617 27393041 30844953 32050967 34070569 34473771 35821669 44553821 46843721 49795447 52894803 58262689 65117123 65788827 72777961 73528689 82179123 96152901 102211707 107465007 133661463 140531163 149386341 158684409 174788067 195351369 197366481 218333883 220586067 246537369 288458703 306635121 322395021 400984389 416662571 421593489 448159023 465681697 524364201 579199673 586054107 608968373 647340811 655001649 757414957 846522599 946113493 1106991091 1237225337 1249987713 1397045091 1737599019 1826905119 1942022433 2272244871 2539567797 2838340479 3320973273 3711676011 3749963139 4191135273 5212797057 5480715357 5826067299 6816734613 7618703391 7916588849 8515021437 9846394441 9962919819 11004793787 11135028033 12299475409 14390884183 16083929381 21032830729 23749766547 29539183323 33014381361 36898426227 43172652549 48251788143 63098492187 71249299641 88617549969 99043144083 110695278681 129517957647 144755364429 187081494379 189295476561 209091081953 273426799477 561244483137 627273245859 820280398431 1683733449411 1881819737577 2460841195293 3554548393201 10663645179603 31990935538809
• Sum of all divisors σ(n): 56223619075143
• Sum of proper divisors (its aliquot sum) s(n): 24232683536334
• 31990935538809 is a deficient number, because the sum of its proper divisors (24232683536334) is less than itself. Its deficiency is 7758252002475

Bases of 31990935538809

• Binary: 111010001100001111000010110010100110001111001₂
• Hexadecimal: 0x1D1878594C79
• Base-36: BC8FL1DO9

Squares and roots of 31990935538809

• 31990935538809 squared (31990935538809²) is 1023419956648232683145138481
• 31990935538809 cubed (31990935538809³) is 32740161862264313053049324484418654809129
• 31990935538809 is a perfect square number. Its square root is 5656053
• The cube root of 31990935538809 is 31745.0230614331

Scales and comparisons

• 31,990,935,538,809 seconds is equal to 1,017,212 years, 41 weeks, 2 days, 15 hours, 9 seconds.
• To count from 1 to 31,990,935,538,809 would take you about two million, five hundred forty-three thousand and thirty-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 31990935538809 cubic inches would be around 2645.4 feet tall.

Recreational maths with 31990935538809

• 31990935538809 backwards is 90883553909913
• The number of decimal digits it has is: 14
• The sum of 31990935538809's digits is 72
• More coming soon!