399994431286091161

Names of 399994431286091161

• Cardinal: 399994431286091161 can be written as Three hundred ninety-nine quadrillion, nine hundred ninety-four trillion, four hundred thirty-one billion, two hundred eighty-six million, ninety-one thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 3.99994431286091161 × 10¹⁷

Factors of 399994431286091161

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 336

Divisors of 399994431286091161

• Number of divisors d(n): 128
• Complete list of divisors:
  1 13 103 107 113 169 1339 1391 1469 2197 11021 11449 11639 12091 12769 17407 18083 19097 143273 148837 151307 157183 165997 226291 235079 248261 1179247 1225043 1245373 1293737 1315207 1366283 1442897 1862549 1934881 1966991 2043379 2157961 15330211 15925559 16189849 16818581 17097691 17761679 18757661 24213137 25153453 25570883 26563927 28053493 126179429 133254911 138429859 140727149 146192281 148618391 154389979 199292743 207032267 210468037 218641553 222269983 230901827 243849593 1640332577 1732313843 1799588167 1829452937 1900499653 1932039083 2007069727 2590805659 2691419471 2736084481 2842340189 2889509779 3001723751 3170044709 14258275477 15057804943 15642574067 15902167837 16519727753 21324323501 22520079959 23394646171 23782888181 24706495489 25116508079 26091906451 185357581201 195751464259 203353462871 206728181881 214756460789 277216205513 292761039467 304130400223 309177546353 321184441357 326514605027 339194783863 1611185128901 1701531958559 1767610869571 2409648555613 2544769035367 2643595017323 2687466364453 2791833990257 20945406675713 22119915461267 22978941304423 31325431222969 33081997459771 34366735225199 34937062737889 36293841873341 182063919565813 272290286784269 287558900996471 298726236957499 2366830954355569 3539773728195497 3738265712954123 3883441080447487 30768802406622397 399994431286091161
• Sum of all divisors σ(n): 445589847480960000
• Sum of proper divisors (its aliquot sum) s(n): 45595416194868839
• 399994431286091161 is a deficient number, because the sum of its proper divisors (45595416194868839) is less than itself. Its deficiency is 354399015091222322

Bases of 399994431286091161

• Binary: 10110001101000100001101000011100100111100010001110110011001₂
• Hexadecimal: 0x58D10D0E4F11D99
• Base-36: 31EI6WYTKI3D

Squares and roots of 399994431286091161

• 399994431286091161 squared (399994431286091161²) is 159995545059883503398496934402327921
• 399994431286091161 cubed (399994431286091161³) is 63997327054536274109178233543526915453910787021606281
• The square root of 399994431286091161 is 632451129.5634558047
• The cube root of 399994431286091161 is 736802.8804926355

Scales and comparisons

• 399,994,431,286,091,161 seconds is equal to 12,718,585,650 years, 46 weeks, 8 hours, 26 minutes, 1 second.
• To count from 1 to 399,994,431,286,091,161 would take you about thirty-eight billion, one hundred fifty-five million, seven hundred fifty-six thousand, nine hundred fifty-two 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 399994431286091161 cubic inches would be around 61400.2 feet tall.

Recreational maths with 399994431286091161

• 399994431286091161 backwards is 161190682134499993
• The number of decimal digits it has is: 18
• The sum of 399994431286091161's digits is 85
• More coming soon!