85345520

Names of 85345520

• Cardinal: 85345520 can be written as Eighty-five million, three hundred forty-five thousand, five hundred twenty.

Scientific notation

• Scientific notation: 8.534552 × 10⁷

Factors of 85345520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 756

Divisors of 85345520

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 137 208 260 274 520 548 599 685 1040 1096 1198 1370 1781 2192 2396 2740 2995 3562 4792 5480 5990 7124 7787 8905 9584 10960 11980 14248 15574 17810 23960 28496 31148 35620 38935 47920 62296 71240 77870 82063 124592 142480 155740 164126 311480 328252 410315 622960 656504 820630 1066819 1313008 1641260 2133638 3282520 4267276 5334095 6565040 8534552 10668190 17069104 21336380 42672760 85345520
• Sum of all divisors σ(n): 215611200
• Sum of proper divisors (its aliquot sum) s(n): 130265680
• 85345520 is an abundant number, because the sum of its proper divisors (130265680) is greater than itself. Its abundance is 44920160

Bases of 85345520

• Binary: 101000101100100010011110000₂
• Hexadecimal: 0x51644F0
• Base-36: 1ET90W

Squares and roots of 85345520

• 85345520 squared (85345520²) is 7283857784070400
• 85345520 cubed (85345520³) is 621644630187536004608000
• The square root of 85345520 is 9238.2639061675
• The cube root of 85345520 is 440.2779235877

Scales and comparisons

• 85,345,520 seconds is equal to 2 years, 37 weeks, 19 hours, 5 minutes, 20 seconds.
• To count from 1 to 85,345,520 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 85345520 cubic inches would be around 36.7 feet tall.

Recreational maths with 85345520

• 85345520 backwards is 02554358
• The number of decimal digits it has is: 8
• The sum of 85345520's digits is 32
• More coming soon!