138665631879429160

Names of 138665631879429160

• Cardinal: 138665631879429160 can be written as One hundred thirty-eight quadrillion, six hundred sixty-five trillion, six hundred thirty-one billion, eight hundred seventy-nine million, four hundred twenty-nine thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.3866563187942916 × 10¹⁷

Factors of 138665631879429160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 558679827

Divisors of 138665631879429160

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 23 40 44 46 55 88 92 110 115 184 220 230 253 440 460 506 920 1012 1265 2024 2530 5060 10120 24527 49054 98108 122635 196216 245270 269797 490540 539594 564121 981080 1079188 1128242 1348985 2158376 2256484 2697970 2820605 4512968 5395940 5641210 6205331 10791880 11282420 12410662 22564840 24821324 31026655 49642648 62053310 124106620 248213240 558655259 1117310518 2234621036 2793276295 4469242072 5586552590 6145207849 11173105180 12290415698 12849070957 22346210360 24580831396 25698141914 30726039245 49161662792 51396283828 61452078490 64245354785 102792567656 122904156980 128490709570 141339780527 245808313960 256981419140 282679561054 513962838280 565359122108 706698902635 1130718244216 1413397805270 2826795610540 5653591221080 13702137537493 27404275074986 54808550149972 68510687687465 109617100299944 137021375374930 150723512912423 274042750749860 301447025824846 315149163362339 548085501499720 602894051649692 630298326724678 753617564562115 1205788103299384 1260596653449356 1507235129124230 1575745816811695 2521193306898712 3014470258248460 3151491633623390 3466640796985729 6028940516496920 6302983267246780 6933281593971458 12605966534493560 13866563187942916 17333203984928645 27733126375885832 34666407969857290 69332815939714580 138665631879429160
• Sum of all divisors σ(n): 355173885951897600
• Sum of proper divisors (its aliquot sum) s(n): 216508254072468440
• 138665631879429160 is an abundant number, because the sum of its proper divisors (216508254072468440) is greater than itself. Its abundance is 77842622193039280

Bases of 138665631879429160

• Binary: 111101100101000111010100001010010101110100111110000101000₂
• Hexadecimal: 0x1ECA3A852BA7C28
• Base-36: 11XCV3V8HS14

Squares and roots of 138665631879429160

• 138665631879429160 squared (138665631879429160²) is 19228157464521360555795567458305600
• 138665631879429160 cubed (138665631879429160³) is 2666284604695016941819652984249441236414628831296000
• The square root of 138665631879429160 is 372378345.0731650159
• The cube root of 138665631879429160 is 517594.4509370311

Scales and comparisons

• 138,665,631,879,429,160 seconds is equal to 4,409,138,172 years, 41 weeks, 5 days, 19 hours, 12 minutes, 40 seconds.
• To count from 1 to 138,665,631,879,429,160 would take you about thirteen billion, two hundred twenty-seven million, four hundred fourteen thousand, five hundred eighteen 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 138665631879429160 cubic inches would be around 43132.9 feet tall.

Recreational maths with 138665631879429160

• 138665631879429160 backwards is 061924978136566831
• The number of decimal digits it has is: 18
• The sum of 138665631879429160's digits is 85
• More coming soon!