31531891913445

Names of 31531891913445

• Cardinal: 31531891913445 can be written as Thirty-one trillion, five hundred thirty-one billion, eight hundred ninety-one million, nine hundred thirteen thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 3.1531891913445 × 10¹³

Factors of 31531891913445

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 55

Divisors of 31531891913445

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 7 11 15 21 29 33 35 55 77 87 105 121 145 165 203 231 319 363 385 435 605 609 841 847 957 1015 1155 1331 1595 1815 2233 2523 2541 3045 3509 3993 4205 4235 4785 5887 6655 6699 9251 9317 10527 11165 12615 12705 14641 17545 17661 19965 24389 24563 27753 27951 29435 33495 38599 43923 46255 46585 52635 64757 73167 73205 73689 88305 101761 102487 115797 121945 122815 138765 139755 170723 192995 194271 219615 268279 270193 305283 307461 323785 365835 368445 424589 508805 512169 512435 578985 707281 712327 804837 810579 853615 971355 1119371 1273767 1341395 1350965 1526415 1537305 1877953 2121843 2122945 2136981 2560845 2951069 2972123 3358113 3536405 3561635 4024185 4052895 4950967 5596855 5633859 6368835 7780091 7835597 8853207 8916369 9389765 10609215 10684905 12313081 14755345 14852901 14860615 16790565 20511149 20657483 23340273 23506791 24754835 28169295 32461759 36939243 38900455 39177985 44266035 44581845 54460637 61533447 61565405 61972449 74264505 85581001 86191567 97385277 102555745 103287415 116701365 117533955 143578043 162308795 163381911 184696215 225622639 227232313 256743003 258574701 272303185 307667235 309862245 357079349 427905005 430734129 430957835 486926385 599067007 676867917 681696939 717890215 816909555 941391011 1071238047 1128113195 1136161565 1283715015 1292873505 1579358473 1785396745 1797201021 2153670645 2481849029 2499555443 2824173033 2995335035 3384339585 3408484695 4706955055 4738075419 5356190235 6589737077 7445547087 7498666329 7896792365 8986005105 10355301121 12409245145 12497777215 14120865165 17372943203 19769211231 23690377095 27300339319 31065903363 32948685385 37227735435 37493331645 51776505605 52118829609 72487107847 81901017957 86864716015 98846056155 136501696595 155329516815 191102375233 217461323541 260594148045 300303732509 362435539235 409505089785 573307125699 900911197527 955511876165 1087306617705 1501518662545 2102126127563 2866535628495 4504555987635 6306378382689 10510630637815 31531891913445
• Sum of all divisors σ(n): 65688888470400
• Sum of proper divisors (its aliquot sum) s(n): 34156996556955
• 31531891913445 is an abundant number, because the sum of its proper divisors (34156996556955) is greater than itself. Its abundance is 2625104643510

Bases of 31531891913445

• Binary: 111001010110110010111001101110111001011100101₂
• Hexadecimal: 0x1CAD973772E5
• Base-36: B6DJUBDGL

Squares and roots of 31531891913445

• 31531891913445 squared (31531891913445²) is 994260207641178183371768025
• 31531891913445 cubed (31531891913445³) is 31350905401181012958452607551609918596125
• The square root of 31531891913445 is 5615326.5188629059
• The cube root of 31531891913445 is 31592.4526364001

Scales and comparisons

• 31,531,891,913,445 seconds is equal to 1,002,616 years, 32 weeks, 4 days, 16 hours, 50 minutes, 45 seconds.
• To count from 1 to 31,531,891,913,445 would take you about two million, five hundred six thousand, five hundred forty-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 31531891913445 cubic inches would be around 2632.7 feet tall.

Recreational maths with 31531891913445

• 31531891913445 backwards is 54431919813513
• The number of decimal digits it has is: 14
• The sum of 31531891913445's digits is 57
• More coming soon!