85369440

Names of 85369440

• Cardinal: 85369440 can be written as Eighty-five million, three hundred sixty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 8.536944 × 10⁷

Factors of 85369440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13704

Divisors of 85369440

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 195 208 240 260 312 390 416 480 520 624 780 1040 1248 1560 2080 3120 6240 13681 27362 41043 54724 68405 82086 109448 136810 164172 177853 205215 218896 273620 328344 355706 410430 437792 533559 547240 656688 711412 820860 889265 1067118 1094480 1313376 1422824 1641720 1778530 2134236 2188960 2667795 2845648 3283440 3557060 4268472 5335590 5691296 6566880 7114120 8536944 10671180 14228240 17073888 21342360 28456480 42684720 85369440
• Sum of all divisors σ(n): 289620576
• Sum of proper divisors (its aliquot sum) s(n): 204251136
• 85369440 is an abundant number, because the sum of its proper divisors (204251136) is greater than itself. Its abundance is 118881696

Bases of 85369440

• Binary: 101000101101010001001100000₂
• Hexadecimal: 0x516A260
• Base-36: 1ETRHC

Squares and roots of 85369440

• 85369440 squared (85369440²) is 7287941285913600
• 85369440 cubed (85369440³) is 622167466331323920384000
• The square root of 85369440 is 9239.5584310075
• The cube root of 85369440 is 440.3190523397

Scales and comparisons

• 85,369,440 seconds is equal to 2 years, 37 weeks, 1 day, 1 hour, 44 minutes.
• To count from 1 to 85,369,440 would take you about four 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 85369440 cubic inches would be around 36.7 feet tall.

Recreational maths with 85369440

• 85369440 backwards is 04496358
• 85369440 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 85369440's digits is 39
• More coming soon!