85730120

Names of 85730120

• Cardinal: 85730120 can be written as Eighty-five million, seven hundred thirty thousand, one hundred twenty.

Scientific notation

• Scientific notation: 8.573012 × 10⁷

Factors of 85730120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1610

Divisors of 85730120

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 223 280 446 892 1115 1373 1561 1784 2230 2746 3122 4460 5492 6244 6865 7805 8920 9611 10984 12488 13730 15610 19222 27460 31220 38444 48055 54920 62440 76888 96110 192220 306179 384440 612358 1224716 1530895 2143253 2449432 3061790 4286506 6123580 8573012 10716265 12247160 17146024 21432530 42865060 85730120
• Sum of all divisors σ(n): 221598720
• Sum of proper divisors (its aliquot sum) s(n): 135868600
• 85730120 is an abundant number, because the sum of its proper divisors (135868600) is greater than itself. Its abundance is 50138480

Bases of 85730120

• Binary: 101000111000010001101001000₂
• Hexadecimal: 0x51C2348
• Base-36: 1F1HS8

Squares and roots of 85730120

• 85730120 squared (85730120²) is 7349653475214400
• 85730120 cubed (85730120³) is 630086674388547537728000
• The square root of 85730120 is 9259.0561074011
• The cube root of 85730120 is 440.9382869647

Scales and comparisons

• 85,730,120 seconds is equal to 2 years, 37 weeks, 5 days, 5 hours, 55 minutes, 20 seconds.
• To count from 1 to 85,730,120 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 85730120 cubic inches would be around 36.7 feet tall.

Recreational maths with 85730120

• 85730120 backwards is 02103758
• The number of decimal digits it has is: 8
• The sum of 85730120's digits is 26
• More coming soon!