42405951861

Names of 42405951861

• Cardinal: 42405951861 can be written as Forty-two billion, four hundred five million, nine hundred fifty-one thousand, eight hundred sixty-one.

Scientific notation

• Scientific notation: 4.2405951861 × 10¹⁰

Factors of 42405951861

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 276

Divisors of 42405951861

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 9 13 21 31 39 43 49 63 91 93 117 129 147 179 217 273 279 301 387 403 441 537 559 637 651 819 903 961 1209 1253 1333 1519 1611 1677 1911 1953 2107 2327 2709 2821 2883 3627 3759 3913 3999 4557 5031 5549 5733 6321 6727 6981 7697 8463 8649 8771 9331 11277 11739 11997 12493 13671 16289 16647 17329 18963 19747 20181 20943 23091 25389 26313 27391 27993 35217 37479 38843 41323 47089 48867 49941 51987 53879 59241 60543 65317 69273 72137 78939 82173 83979 87451 100061 112437 114023 116529 121303 123969 141267 146601 155961 161637 172019 177723 195951 216411 238607 246519 262353 271901 289261 300183 342069 349587 363909 371907 377153 423801 484911 504959 516057 537199 587853 612157 649233 700427 715821 787059 815703 849121 867783 900549 1026207 1091727 1131459 1204133 1514877 1548171 1611597 1670249 1836471 2024827 2101281 2147463 2236247 2447109 2547363 2603349 3101891 3394377 3534713 3612399 3760393 4544631 4834791 4902989 5010747 5509413 6074481 6303843 6708741 7396817 7642089 8428931 9305673 10604139 10837197 11281179 11691743 14708967 15032241 15653729 18223443 20126223 21713237 22190451 25286793 26322751 27917019 31812417 33843537 35075229 44126901 46961187 51777719 65139711 66571353 75860379 78968253 96158621 105225687 109576103 140883561 151992659 155333157 195419133 236904759 288475863 328728309 362444033 455977977 465999471 673110347 865427589 986184927 1087332099 1367933931 2019331041 3261996297 4711772429 6057993123 14135317287 42405951861
• Sum of all divisors σ(n): 81586945440
• Sum of proper divisors (its aliquot sum) s(n): 39180993579
• 42405951861 is a deficient number, because the sum of its proper divisors (39180993579) is less than itself. Its deficiency is 3224958282

Bases of 42405951861

• Binary: 100111011111100101110111100101110101₂
• Hexadecimal: 0x9DF977975
• Base-36: JHBEPV9

Squares and roots of 42405951861

• 42405951861 squared (42405951861²) is 1798264753237449363321
• 42405951861 cubed (42405951861³) is 76257128559120321603415425090381
• The square root of 42405951861 is 205927.0547087001
• The cube root of 42405951861 is 3487.1899576231

Scales and comparisons

• 42,405,951,861 seconds is equal to 1,348 years, 19 weeks, 4 days, 15 hours, 4 minutes, 21 seconds.
• To count from 1 to 42,405,951,861 would take you about two thousand, six hundred ninety-six 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 42405951861 cubic inches would be around 290.6 feet tall.

Recreational maths with 42405951861

• 42405951861 backwards is 16815950424
• The number of decimal digits it has is: 11
• The sum of 42405951861's digits is 45
• More coming soon!