31897488182139

Names of 31897488182139

• Cardinal: 31897488182139 can be written as Thirty-one trillion, eight hundred ninety-seven billion, four hundred eighty-eight million, one hundred eighty-two thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 3.1897488182139 × 10¹³

Factors of 31897488182139

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 385

Divisors of 31897488182139

• Number of divisors d(n): 162
• Complete list of divisors:
  1 3 9 19 29 53 57 87 159 171 261 281 477 551 841 843 1007 1537 1653 2523 2529 2809 3021 4611 4959 5339 7569 8149 8427 9063 13833 14893 15979 16017 24447 25281 29203 44573 44679 47937 48051 53371 73341 78961 81461 87609 133719 134037 143811 154831 160113 236321 236883 244383 262827 282967 401157 431897 464493 480339 708963 710649 733149 789329 846887 848901 1295691 1393479 1500259 1547759 2126889 2289869 2362369 2367987 2540661 2546703 3887073 4184933 4490099 4500777 4643277 6869607 7087107 7103961 7621983 8206043 12525013 12554799 13470297 13502331 13929831 14997251 20608821 21261321 22890541 24618129 37575039 37664397 40410891 43507511 44885011 44991753 66406201 68671623 73854387 79513727 112725117 121363057 130522533 134655033 134975259 199218603 206014869 221801449 237975247 238541181 364089171 391567599 403965099 434920279 597655809 663825689 665404347 713925741 715623543 1092267513 1261717819 1304760837 1991477067 1996213041 2141777223 2305898083 3519528653 3785153457 3914282511 4214227531 5974431201 6432242021 6917694249 10558585959 11355460371 12612688091 12642682593 19296726063 20753082747 31675757877 37838064273 37928047779 57890178189 66871044407 113514192819 122212598399 186535018609 200613133221 366637795197 559605055827 601839399663 1099913385591 1678815167481 3544165353571 10632496060713 31897488182139
• Sum of all divisors σ(n): 51377593680140
• Sum of proper divisors (its aliquot sum) s(n): 19480105498001
• 31897488182139 is a deficient number, because the sum of its proper divisors (19480105498001) is less than itself. Its deficiency is 12417382684138

Bases of 31897488182139

• Binary: 111010000001010110110011100111100101101111011₂
• Hexadecimal: 0x1D02B673CB7B
• Base-36: BB1I4W7SR

Squares and roots of 31897488182139

• 31897488182139 squared (31897488182139²) is 1017449752329697166838615321
• 31897488182139 cubed (31897488182139³) is 32454091450856767862447442409032203951619
• The square root of 31897488182139 is 5647786.1310551589
• The cube root of 31897488182139 is 31714.0832387753

Scales and comparisons

• 31,897,488,182,139 seconds is equal to 1,014,241 years, 23 weeks, 5 days, 23 hours, 55 minutes, 39 seconds.
• To count from 1 to 31,897,488,182,139 would take you about two million, five hundred thirty-five thousand, six hundred three 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 31897488182139 cubic inches would be around 2642.8 feet tall.

Recreational maths with 31897488182139

• 31897488182139 backwards is 93128188479813
• The number of decimal digits it has is: 14
• The sum of 31897488182139's digits is 72
• More coming soon!